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https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Prod.Lex.mk_min
[312, 9]
[314, 87]
simp
m : Type u → Type v inst✝² : Monad m α : Type u_1 β : Type u_2 r₁ : α → α → Prop r₂ : β → β → Prop inst✝¹ : LinearOrder α inst✝ : LinearOrder β x : α y₁✝ y₂✝ y₁ y₂ : β ⊢ y₁ ≤ y₂ → (fun y => (x, y)) y₁ ≤ (fun y => (x, y)) y₂
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝² : Monad m α : Type u_1 β : Type u_2 r₁ : α → α → Prop r₂ : β → β → Prop inst✝¹ : LinearOrder α inst✝ : LinearOrder β x : α y₁✝ y₂✝ y₁ y₂ : β ⊢ y₁ ≤ y₂ → (fun y => (x, y)) y₁ ≤ (fun y => (x, y)) y₂ TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
max_le_min_iff
[322, 1]
[324, 24]
have h : max x y ≤ min x y ↔ y = x := by simpa using le_antisymm_iff.symm
m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α ⊢ max x y ≤ min x y ↔ x = y
m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α h : max x y ≤ min x y ↔ y = x ⊢ max x y ≤ min x y ↔ x = y
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α ⊢ max x y ≤ min x y ↔ x = y TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
max_le_min_iff
[322, 1]
[324, 24]
exact h.trans eq_comm
m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α h : max x y ≤ min x y ↔ y = x ⊢ max x y ≤ min x y ↔ x = y
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α h : max x y ≤ min x y ↔ y = x ⊢ max x y ≤ min x y ↔ x = y TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
max_le_min_iff
[322, 1]
[324, 24]
simpa using le_antisymm_iff.symm
m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α ⊢ max x y ≤ min x y ↔ y = x
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α ⊢ max x y ≤ min x y ↔ y = x TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
max_eq_min_iff
[328, 1]
[329, 63]
simp [h]
m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α h : x = y ⊢ min x y = max x y
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝¹ : Monad m α : Type u_1 inst✝ : LinearOrder α x y : α h : x = y ⊢ min x y = max x y TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_eq_zero_of_disjoint_support
[332, 1]
[336, 66]
rw [← Finsupp.support_eq_empty, ← Finset.subset_empty]
m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ f * g = 0
m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ (f * g).support ⊆ ∅
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ f * g = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_eq_zero_of_disjoint_support
[332, 1]
[336, 66]
refine Finsupp.support_mul.trans ?_
m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ (f * g).support ⊆ ∅
m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ f.support ∩ g.support ⊆ ∅
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ (f * g).support ⊆ ∅ TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_eq_zero_of_disjoint_support
[332, 1]
[336, 66]
rwa [Finset.subset_empty, ← Finset.disjoint_iff_inter_eq_empty]
m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ f.support ∩ g.support ⊆ ∅
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝² : Monad m ι : Type u_1 β : Type u_2 inst✝¹ : DecidableEq ι inst✝ : MulZeroClass β f g : ι →₀ β h : Disjoint f.support g.support ⊢ f.support ∩ g.support ⊆ ∅ TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_single_eq_zero
[339, 1]
[345, 11]
classical rw [Finsupp.mul_eq_zero_of_disjoint_support] simp_rw [Finset.disjoint_iff_ne, Finsupp.mem_support_single] simp_rw [and_imp, forall_eq] intros exact hi
m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ single i₁ x * single i₂ y = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ single i₁ x * single i₂ y = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_single_eq_zero
[339, 1]
[345, 11]
rw [Finsupp.mul_eq_zero_of_disjoint_support]
m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ single i₁ x * single i₂ y = 0
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ Disjoint (single i₁ x).support (single i₂ y).support
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ single i₁ x * single i₂ y = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_single_eq_zero
[339, 1]
[345, 11]
simp_rw [Finset.disjoint_iff_ne, Finsupp.mem_support_single]
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ Disjoint (single i₁ x).support (single i₂ y).support
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ ∀ (a : ι), a = i₁ ∧ x ≠ 0 → ∀ (b : ι), b = i₂ ∧ y ≠ 0 → a ≠ b
Please generate a tactic in lean4 to solve the state. STATE: case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ Disjoint (single i₁ x).support (single i₂ y).support TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_single_eq_zero
[339, 1]
[345, 11]
simp_rw [and_imp, forall_eq]
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ ∀ (a : ι), a = i₁ ∧ x ≠ 0 → ∀ (b : ι), b = i₂ ∧ y ≠ 0 → a ≠ b
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ x ≠ 0 → y ≠ 0 → i₁ ≠ i₂
Please generate a tactic in lean4 to solve the state. STATE: case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ ∀ (a : ι), a = i₁ ∧ x ≠ 0 → ∀ (b : ι), b = i₂ ∧ y ≠ 0 → a ≠ b TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_single_eq_zero
[339, 1]
[345, 11]
intros
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ x ≠ 0 → y ≠ 0 → i₁ ≠ i₂
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β a✝¹ : x ≠ 0 a✝ : y ≠ 0 ⊢ i₁ ≠ i₂
Please generate a tactic in lean4 to solve the state. STATE: case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β ⊢ x ≠ 0 → y ≠ 0 → i₁ ≠ i₂ TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_single_eq_zero
[339, 1]
[345, 11]
exact hi
case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β a✝¹ : x ≠ 0 a✝ : y ≠ 0 ⊢ i₁ ≠ i₂
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h m : Type u → Type v inst✝¹ : Monad m ι : Type u_1 β : Type u_2 inst✝ : MulZeroClass β i₁ i₂ : ι hi : i₁ ≠ i₂ x y : β a✝¹ : x ≠ 0 a✝ : y ≠ 0 ⊢ i₁ ≠ i₂ TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_filter
[350, 1]
[353, 60]
ext i
m : Type u → Type v inst✝³ : Monad m ι : Type u_2 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q β : Type u_1 inst✝ : MulZeroClass β f g : ι →₀ β ⊢ filter P f * filter Q g = filter (fun i => P i ∧ Q i) (f * g)
case h m : Type u → Type v inst✝³ : Monad m ι : Type u_2 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q β : Type u_1 inst✝ : MulZeroClass β f g : ι →₀ β i : ι ⊢ (filter P f * filter Q g) i = (filter (fun i => P i ∧ Q i) (f * g)) i
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝³ : Monad m ι : Type u_2 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q β : Type u_1 inst✝ : MulZeroClass β f g : ι →₀ β ⊢ filter P f * filter Q g = filter (fun i => P i ∧ Q i) (f * g) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_filter
[350, 1]
[353, 60]
by_cases h₁ : P i <;> by_cases h₂ : Q i <;> simp [h₁, h₂]
case h m : Type u → Type v inst✝³ : Monad m ι : Type u_2 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q β : Type u_1 inst✝ : MulZeroClass β f g : ι →₀ β i : ι ⊢ (filter P f * filter Q g) i = (filter (fun i => P i ∧ Q i) (f * g)) i
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h m : Type u → Type v inst✝³ : Monad m ι : Type u_2 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q β : Type u_1 inst✝ : MulZeroClass β f g : ι →₀ β i : ι ⊢ (filter P f * filter Q g) i = (filter (fun i => P i ∧ Q i) (f * g)) i TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
Finsupp.mul_filter'
[356, 1]
[357, 79]
simp [Finsupp.mul_filter]
m : Type u → Type v inst✝³ : Monad m ι : Type u_2 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q β : Type u_1 inst✝ : MulZeroClass β f g : ι →₀ β ⊢ filter P (f * g) = filter P f * filter P g
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝³ : Monad m ι : Type u_2 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q β : Type u_1 inst✝ : MulZeroClass β f g : ι →₀ β ⊢ filter P (f * g) = filter P f * filter P g TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
mul_eq_zero_of
[365, 1]
[371, 34]
rw [h]
m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : x = 0 ⊢ x * y = 0
m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : x = 0 ⊢ 0 * y = 0
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : x = 0 ⊢ x * y = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
mul_eq_zero_of
[365, 1]
[371, 34]
exact MulZeroClass.zero_mul y
m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : x = 0 ⊢ 0 * y = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : x = 0 ⊢ 0 * y = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
mul_eq_zero_of
[365, 1]
[371, 34]
rw [h]
m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : y = 0 ⊢ x * y = 0
m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : y = 0 ⊢ x * 0 = 0
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : y = 0 ⊢ x * y = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/Verification/Misc.lean
mul_eq_zero_of
[365, 1]
[371, 34]
exact MulZeroClass.mul_zero x
m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : y = 0 ⊢ x * 0 = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: m : Type u → Type v inst✝³ : Monad m ι : Type ?u.82027 P Q : ι → Prop inst✝² : DecidablePred P inst✝¹ : DecidablePred Q α : Type u_1 inst✝ : MulZeroClass α x y : α h : y = 0 ⊢ x * 0 = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul.ready.order_eq
[15, 1]
[18, 8]
dsimp only [Stream.toOrder]
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // valid a b p = true } h : ready a b q = true ⊢ toOrder a (valid.fst q) = toOrder b (valid.snd q)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // valid a b p = true } h : ready a b q = true ⊢ (a.index (valid.fst q), a.ready (valid.fst q)) = (b.index (valid.snd q), b.ready (valid.snd q))
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // valid a b p = true } h : ready a b q = true ⊢ toOrder a (valid.fst q) = toOrder b (valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul.ready.order_eq
[15, 1]
[18, 8]
aesop
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // valid a b p = true } h : ready a b q = true ⊢ (a.index (valid.fst q), a.ready (valid.fst q)) = (b.index (valid.snd q), b.ready (valid.snd q))
no goals
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // valid a b p = true } h : ready a b q = true ⊢ (a.index (valid.fst q), a.ready (valid.fst q)) = (b.index (valid.snd q), b.ready (valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.order_eq_of_mul_ready
[20, 1]
[24, 8]
dsimp only [Stream.toOrder]
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } h : mul.ready a b q = true ⊢ toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } h : mul.ready a b q = true ⊢ (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) = ((mul a b).index q, (mul a b).ready q) ∧ (b.index (mul.valid.snd q), b.ready (mul.valid.snd q)) = ((mul a b).index q, (mul a b).ready q)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } h : mul.ready a b q = true ⊢ toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.order_eq_of_mul_ready
[20, 1]
[24, 8]
aesop
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } h : mul.ready a b q = true ⊢ (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) = ((mul a b).index q, (mul a b).ready q) ∧ (b.index (mul.valid.snd q), b.ready (mul.valid.snd q)) = ((mul a b).index q, (mul a b).ready q)
no goals
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } h : mul.ready a b q = true ⊢ (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) = ((mul a b).index q, (mul a b).ready q) ∧ (b.index (mul.valid.snd q), b.ready (mul.valid.snd q)) = ((mul a b).index q, (mul a b).ready q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.Stream.mul_index'
[26, 1]
[33, 32]
rw [Stream.index']
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ ⊢ index' (mul a b) q = max (index' a q.1) (index' b q.2)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ ⊢ (if h : (mul a b).valid q = true then ↑((mul a b).index { val := q, property := h }) else ⊤) = max (index' a q.1) (index' b q.2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ ⊢ index' (mul a b) q = max (index' a q.1) (index' b q.2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.Stream.mul_index'
[26, 1]
[33, 32]
split_ifs with h
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ ⊢ (if h : (mul a b).valid q = true then ↑((mul a b).index { val := q, property := h }) else ⊤) = max (index' a q.1) (index' b q.2)
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : (mul a b).valid q = true ⊢ ↑((mul a b).index { val := q, property := h }) = max (index' a q.1) (index' b q.2) case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : ¬(mul a b).valid q = true ⊢ ⊤ = max (index' a q.1) (index' b q.2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ ⊢ (if h : (mul a b).valid q = true then ↑((mul a b).index { val := q, property := h }) else ⊤) = max (index' a q.1) (index' b q.2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.Stream.mul_index'
[26, 1]
[33, 32]
simp at h
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : (mul a b).valid q = true ⊢ ↑((mul a b).index { val := q, property := h }) = max (index' a q.1) (index' b q.2)
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h✝ : (mul a b).valid q = true h : a.valid q.1 = true ∧ b.valid q.2 = true ⊢ ↑((mul a b).index { val := q, property := h✝ }) = max (index' a q.1) (index' b q.2)
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : (mul a b).valid q = true ⊢ ↑((mul a b).index { val := q, property := h }) = max (index' a q.1) (index' b q.2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.Stream.mul_index'
[26, 1]
[33, 32]
simp [index'_val' _ h.1, index'_val' _ h.2]
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h✝ : (mul a b).valid q = true h : a.valid q.1 = true ∧ b.valid q.2 = true ⊢ ↑((mul a b).index { val := q, property := h✝ }) = max (index' a q.1) (index' b q.2)
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h✝ : (mul a b).valid q = true h : a.valid q.1 = true ∧ b.valid q.2 = true ⊢ max ↑(a.index (mul.valid.fst { val := q, property := h✝ })) ↑(b.index (mul.valid.snd { val := q, property := h✝ })) = max ↑(a.index { val := q.1, property := ⋯ }) ↑(b.index { val := q.2, property := ⋯ })
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h✝ : (mul a b).valid q = true h : a.valid q.1 = true ∧ b.valid q.2 = true ⊢ ↑((mul a b).index { val := q, property := h✝ }) = max (index' a q.1) (index' b q.2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.Stream.mul_index'
[26, 1]
[33, 32]
rfl
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h✝ : (mul a b).valid q = true h : a.valid q.1 = true ∧ b.valid q.2 = true ⊢ max ↑(a.index (mul.valid.fst { val := q, property := h✝ })) ↑(b.index (mul.valid.snd { val := q, property := h✝ })) = max ↑(a.index { val := q.1, property := ⋯ }) ↑(b.index { val := q.2, property := ⋯ })
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h✝ : (mul a b).valid q = true h : a.valid q.1 = true ∧ b.valid q.2 = true ⊢ max ↑(a.index (mul.valid.fst { val := q, property := h✝ })) ↑(b.index (mul.valid.snd { val := q, property := h✝ })) = max ↑(a.index { val := q.1, property := ⋯ }) ↑(b.index { val := q.2, property := ⋯ }) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.Stream.mul_index'
[26, 1]
[33, 32]
simp [-not_and, not_and_or] at h
case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : ¬(mul a b).valid q = true ⊢ ⊤ = max (index' a q.1) (index' b q.2)
case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : a.valid q.1 = false ∨ b.valid q.2 = false ⊢ ⊤ = max (index' a q.1) (index' b q.2)
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : ¬(mul a b).valid q = true ⊢ ⊤ = max (index' a q.1) (index' b q.2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.Stream.mul_index'
[26, 1]
[33, 32]
rcases h with h | h <;> simp [index'_invalid h]
case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : a.valid q.1 = false ∨ b.valid q.2 = false ⊢ ⊤ = max (index' a q.1) (index' b q.2)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : (mul a b).σ h : a.valid q.1 = false ∨ b.valid q.2 = false ⊢ ⊤ = max (index' a q.1) (index' b q.2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.min_toOrder_le
[35, 1]
[42, 10]
rw [Prod.Lex.le_iff'']
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q)) ≤ toOrder (mul a b) q
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ≤ (toOrder (mul a b) q).1 ∧ ((min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q)) ≤ toOrder (mul a b) q TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.min_toOrder_le
[35, 1]
[42, 10]
simp only [Monotone.map_min (@Prod.Lex.fst_mono ι Bool _ _)]
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ≤ (toOrder (mul a b) q).1 ∧ ((min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 ≤ (toOrder (mul a b) q).1 ∧ (min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ≤ (toOrder (mul a b) q).1 ∧ ((min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.min_toOrder_le
[35, 1]
[42, 10]
constructor
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 ≤ (toOrder (mul a b) q).1 ∧ (min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2)
case left ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 ≤ (toOrder (mul a b) q).1 case right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 ≤ (toOrder (mul a b) q).1 ∧ (min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.min_toOrder_le
[35, 1]
[42, 10]
exact min_le_max
case left ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 ≤ (toOrder (mul a b) q).1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 ≤ (toOrder (mul a b) q).1 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.min_toOrder_le
[35, 1]
[42, 10]
simp only [toOrder]
case right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2
case right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (a.index (mul.valid.fst q)) (b.index (mul.valid.snd q)) = (mul a b).index q → (min (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) (b.index (mul.valid.snd q), b.ready (mul.valid.snd q))).2 ≤ (mul a b).ready q
Please generate a tactic in lean4 to solve the state. STATE: case right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (toOrder a (mul.valid.fst q)).1 (toOrder b (mul.valid.snd q)).1 = (toOrder (mul a b) q).1 → (min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 ≤ (toOrder (mul a b) q).2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.min_toOrder_le
[35, 1]
[42, 10]
aesop
case right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (a.index (mul.valid.fst q)) (b.index (mul.valid.snd q)) = (mul a b).index q → (min (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) (b.index (mul.valid.snd q), b.ready (mul.valid.snd q))).2 ≤ (mul a b).ready q
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { p // mul.valid a b p = true } ⊢ min (a.index (mul.valid.fst q)) (b.index (mul.valid.snd q)) = (mul a b).index q → (min (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) (b.index (mul.valid.snd q), b.ready (mul.valid.snd q))).2 ≤ (mul a b).ready q TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.toOrder_le_max
[44, 1]
[49, 10]
rw [Prod.Lex.le_iff']
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ toOrder (mul a b) q ≤ max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 < (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∨ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∧ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ toOrder (mul a b) q ≤ max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.toOrder_le_max
[44, 1]
[49, 10]
right
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 < (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∨ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∧ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2
case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∧ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 < (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∨ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∧ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.toOrder_le_max
[44, 1]
[49, 10]
constructor
case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∧ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2
case h.left ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 case h.right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2
Please generate a tactic in lean4 to solve the state. STATE: case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 ∧ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.toOrder_le_max
[44, 1]
[49, 10]
simp [Monotone.map_max (@Prod.Lex.fst_mono ι Bool _ _)]
case h.left ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).1 = (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).1 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.toOrder_le_max
[44, 1]
[49, 10]
simp only [Bool.le_iff_imp, toOrder]
case h.right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2
case h.right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (mul a b).ready q = true → (max (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) (b.index (mul.valid.snd q), b.ready (mul.valid.snd q))).2 = true
Please generate a tactic in lean4 to solve the state. STATE: case h.right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (toOrder (mul a b) q).2 ≤ (max (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))).2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.toOrder_le_max
[44, 1]
[49, 10]
aesop
case h.right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (mul a b).ready q = true → (max (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) (b.index (mul.valid.snd q), b.ready (mul.valid.snd q))).2 = true
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : Mul α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (mul a b).ready q = true → (max (a.index (mul.valid.fst q), a.ready (mul.valid.fst q)) (b.index (mul.valid.snd q), b.ready (mul.valid.snd q))).2 = true TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_map
[63, 1]
[69, 6]
ext <;> try rfl
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ map f (mul a b) = mul (map f a) (map f b)
case value ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ HEq (map f (mul a b)).value (mul (map f a) (map f b)).value
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ map f (mul a b) = mul (map f a) (map f b) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_map
[63, 1]
[69, 6]
simp only [heq_iff_eq]
case value ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ HEq (map f (mul a b)).value (mul (map f a) (map f b)).value
case value ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ (map f (mul a b)).value = (mul (map f a) (map f b)).value
Please generate a tactic in lean4 to solve the state. STATE: case value ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ HEq (map f (mul a b)).value (mul (map f a) (map f b)).value TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_map
[63, 1]
[69, 6]
ext q₁
case value ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ (map f (mul a b)).value = (mul (map f a) (map f b)).value
case value.h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y q₁ : { x // (map f (mul a b)).ready x = true } ⊢ (map f (mul a b)).value q₁ = (mul (map f a) (map f b)).value q₁
Please generate a tactic in lean4 to solve the state. STATE: case value ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ (map f (mul a b)).value = (mul (map f a) (map f b)).value TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_map
[63, 1]
[69, 6]
simp [map, hf]
case value.h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y q₁ : { x // (map f (mul a b)).ready x = true } ⊢ (map f (mul a b)).value q₁ = (mul (map f a) (map f b)).value q₁
case value.h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y q₁ : { x // (map f (mul a b)).ready x = true } ⊢ f (a.value (mul.ready.fst q₁)) * f (b.value (mul.ready.snd q₁)) = f (a.value (mul.ready.fst q₁)) * f (b.value (mul.ready.snd q₁))
Please generate a tactic in lean4 to solve the state. STATE: case value.h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y q₁ : { x // (map f (mul a b)).ready x = true } ⊢ (map f (mul a b)).value q₁ = (mul (map f a) (map f b)).value q₁ TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_map
[63, 1]
[69, 6]
rfl
case value.h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y q₁ : { x // (map f (mul a b)).ready x = true } ⊢ f (a.value (mul.ready.fst q₁)) * f (b.value (mul.ready.snd q₁)) = f (a.value (mul.ready.fst q₁)) * f (b.value (mul.ready.snd q₁))
no goals
Please generate a tactic in lean4 to solve the state. STATE: case value.h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y q₁ : { x // (map f (mul a b)).ready x = true } ⊢ f (a.value (mul.ready.fst q₁)) * f (b.value (mul.ready.snd q₁)) = f (a.value (mul.ready.fst q₁)) * f (b.value (mul.ready.snd q₁)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_map
[63, 1]
[69, 6]
rfl
case ready ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ HEq (map f (mul a b)).ready (mul (map f a) (map f b)).ready
no goals
Please generate a tactic in lean4 to solve the state. STATE: case ready ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : Mul α β : Type u_1 inst✝¹ : Mul α inst✝ : Mul β a b : Stream ι α f : α → β hf : ∀ (x y : α), f (x * y) = f x * f y ⊢ HEq (map f (mul a b)).ready (mul (map f a) (map f b)).ready TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_of_neq
[77, 1]
[83, 14]
contrapose! h
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : toOrder a (mul.valid.fst q) ≠ toOrder b (mul.valid.snd q) ⊢ eval₀ (mul a b) q = 0
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : eval₀ (mul a b) q ≠ 0 ⊢ toOrder a (mul.valid.fst q) = toOrder b (mul.valid.snd q)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : toOrder a (mul.valid.fst q) ≠ toOrder b (mul.valid.snd q) ⊢ eval₀ (mul a b) q = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_of_neq
[77, 1]
[83, 14]
apply Stream.mul.ready.order_eq
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : eval₀ (mul a b) q ≠ 0 ⊢ toOrder a (mul.valid.fst q) = toOrder b (mul.valid.snd q)
case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : eval₀ (mul a b) q ≠ 0 ⊢ mul.ready a b q = true
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : eval₀ (mul a b) q ≠ 0 ⊢ toOrder a (mul.valid.fst q) = toOrder b (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_of_neq
[77, 1]
[83, 14]
simp only [Stream.eval₀, Stream.mul_ready, Stream.mul_index, ge_iff_le, Stream.mul_value, ne_eq, dite_eq_right_iff, Finsupp.single_eq_zero, not_forall] at h
case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : eval₀ (mul a b) q ≠ 0 ⊢ mul.ready a b q = true
case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : ∃ (x : (a.ready (mul.valid.fst q) && b.ready (mul.valid.snd q) && decide (a.index (mul.valid.fst q) = b.index (mul.valid.snd q))) = true), ¬a.value (mul.ready.fst { val := q, property := ⋯ }) * b.value (mul.ready.snd { val := q, property := ⋯ }) = 0 ⊢ mul.ready a b q = true
Please generate a tactic in lean4 to solve the state. STATE: case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : eval₀ (mul a b) q ≠ 0 ⊢ mul.ready a b q = true TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_of_neq
[77, 1]
[83, 14]
exact h.fst
case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : ∃ (x : (a.ready (mul.valid.fst q) && b.ready (mul.valid.snd q) && decide (a.index (mul.valid.fst q) = b.index (mul.valid.snd q))) = true), ¬a.value (mul.ready.fst { val := q, property := ⋯ }) * b.value (mul.ready.snd { val := q, property := ⋯ }) = 0 ⊢ mul.ready a b q = true
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { p // mul.valid a b p = true } h : ∃ (x : (a.ready (mul.valid.fst q) && b.ready (mul.valid.snd q) && decide (a.index (mul.valid.fst q) = b.index (mul.valid.snd q))) = true), ¬a.value (mul.ready.fst { val := q, property := ⋯ }) * b.value (mul.ready.snd { val := q, property := ⋯ }) = 0 ⊢ mul.ready a b q = true TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
rw [Stream.eval₀]
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ eval₀ (mul a b) q = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (if h₂ : (mul a b).ready q = true then fun₀ | (mul a b).index q => (mul a b).value { val := q, property := h₂ } else 0) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ eval₀ (mul a b) q = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
split_ifs with hr
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (if h₂ : (mul a b).ready q = true then fun₀ | (mul a b).index q => (mul a b).value { val := q, property := h₂ } else 0) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true ⊢ 0 = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } ⊢ (if h₂ : (mul a b).ready q = true then fun₀ | (mul a b).index q => (mul a b).value { val := q, property := h₂ } else 0) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
simp only [mul_ready, Bool.and_eq_true, decide_eq_true_eq] at hr
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr✝ : (mul a b).ready q = true hr : (a.ready (mul.valid.fst q) = true ∧ b.ready (mul.valid.snd q) = true) ∧ a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr✝ }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
rcases hr with ⟨⟨hr₁, hr₂⟩, hr₃⟩
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr✝ : (mul a b).ready q = true hr : (a.ready (mul.valid.fst q) = true ∧ b.ready (mul.valid.snd q) = true) ∧ a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr✝ }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
case pos.intro.intro ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true hr₃ : a.index (mul.valid.fst q) = b.index (mul.valid.snd q) hr₁ : a.ready (mul.valid.fst q) = true hr₂ : b.ready (mul.valid.snd q) = true ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr✝ : (mul a b).ready q = true hr : (a.ready (mul.valid.fst q) = true ∧ b.ready (mul.valid.snd q) = true) ∧ a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr✝ }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
simp [Stream.eval₀, hr₁, hr₂, hr₃]
case pos.intro.intro ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true hr₃ : a.index (mul.valid.fst q) = b.index (mul.valid.snd q) hr₁ : a.ready (mul.valid.fst q) = true hr₂ : b.ready (mul.valid.snd q) = true ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
case pos.intro.intro ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true hr₃ : a.index (mul.valid.fst q) = b.index (mul.valid.snd q) hr₁ : a.ready (mul.valid.fst q) = true hr₂ : b.ready (mul.valid.snd q) = true ⊢ ((fun₀ | b.index (mul.valid.snd q) => a.value (mul.ready.fst { val := q, property := hr })) * fun₀ | b.index (mul.valid.snd q) => b.value (mul.ready.snd { val := q, property := hr })) = (fun₀ | b.index (mul.valid.snd q) => a.value { val := mul.valid.fst q, property := ⋯ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := ⋯ }
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true hr₃ : a.index (mul.valid.fst q) = b.index (mul.valid.snd q) hr₁ : a.ready (mul.valid.fst q) = true hr₂ : b.ready (mul.valid.snd q) = true ⊢ (fun₀ | (mul a b).index q => (mul a b).value { val := q, property := hr }) = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
rfl
case pos.intro.intro ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true hr₃ : a.index (mul.valid.fst q) = b.index (mul.valid.snd q) hr₁ : a.ready (mul.valid.fst q) = true hr₂ : b.ready (mul.valid.snd q) = true ⊢ ((fun₀ | b.index (mul.valid.snd q) => a.value (mul.ready.fst { val := q, property := hr })) * fun₀ | b.index (mul.valid.snd q) => b.value (mul.ready.snd { val := q, property := hr })) = (fun₀ | b.index (mul.valid.snd q) => a.value { val := mul.valid.fst q, property := ⋯ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := ⋯ }
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : (mul a b).ready q = true hr₃ : a.index (mul.valid.fst q) = b.index (mul.valid.snd q) hr₁ : a.ready (mul.valid.fst q) = true hr₂ : b.ready (mul.valid.snd q) = true ⊢ ((fun₀ | b.index (mul.valid.snd q) => a.value (mul.ready.fst { val := q, property := hr })) * fun₀ | b.index (mul.valid.snd q) => b.value (mul.ready.snd { val := q, property := hr })) = (fun₀ | b.index (mul.valid.snd q) => a.value { val := mul.valid.fst q, property := ⋯ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := ⋯ } TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
simp only [Stream.eval₀]
case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true ⊢ 0 = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q)
case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true ⊢ 0 = (if h₂ : a.ready (mul.valid.fst q) = true then fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₂ } else 0) * if h₂ : b.ready (mul.valid.snd q) = true then fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ } else 0
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true ⊢ 0 = eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
split_ifs with h₁ h₂ <;> try simp
case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true ⊢ 0 = (if h₂ : a.ready (mul.valid.fst q) = true then fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₂ } else 0) * if h₂ : b.ready (mul.valid.snd q) = true then fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ } else 0
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true ⊢ 0 = (fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₁ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ }
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true ⊢ 0 = (if h₂ : a.ready (mul.valid.fst q) = true then fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₂ } else 0) * if h₂ : b.ready (mul.valid.snd q) = true then fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ } else 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
simp only [mul_ready, h₁, h₂, Bool.and_self, Bool.true_and, decide_eq_true_eq] at hr
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true ⊢ 0 = (fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₁ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ }
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true hr : ¬a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ 0 = (fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₁ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ }
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true ⊢ 0 = (fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₁ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ } TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
rw [Finsupp.mul_single_eq_zero]
case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true hr : ¬a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ 0 = (fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₁ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ }
case pos.hi ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true hr : ¬a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ a.index (mul.valid.fst q) ≠ b.index (mul.valid.snd q)
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true hr : ¬a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ 0 = (fun₀ | a.index (mul.valid.fst q) => a.value { val := mul.valid.fst q, property := h₁ }) * fun₀ | b.index (mul.valid.snd q) => b.value { val := mul.valid.snd q, property := h₂ } TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
assumption
case pos.hi ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true hr : ¬a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ a.index (mul.valid.fst q) ≠ b.index (mul.valid.snd q)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.hi ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } h₁ : a.ready (mul.valid.fst q) = true h₂ : b.ready (mul.valid.snd q) = true hr : ¬a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ a.index (mul.valid.fst q) ≠ b.index (mul.valid.snd q) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀
[85, 1]
[96, 15]
simp
case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true h₁ : ¬a.ready (mul.valid.fst q) = true h✝ : ¬b.ready (mul.valid.snd q) = true ⊢ 0 = 0 * 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α q : { q // (mul a b).valid q = true } hr : ¬(mul a b).ready q = true h₁ : ¬a.ready (mul.valid.fst q) = true h✝ : ¬b.ready (mul.valid.snd q) = true ⊢ 0 = 0 * 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
by_cases H : (a.mul b).ready q
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))
case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
calc (a.mul b).eval₀ q = a.eval₀ (mul.valid.fst q) * b.eval₀ (mul.valid.snd q) := mul_eval₀ .. _ = ((a.eval <| mul.valid.fst q).filter fun i => (i, false) <ₗ a.toOrder (mul.valid.fst q)) * ((b.eval <| mul.valid.snd q).filter fun i => (i, false) <ₗ b.toOrder (mul.valid.snd q)) := by rw [ha.eval₀_eq_eval_filter, hb.eval₀_eq_eval_filter] _ = (a.eval (mul.valid.fst q) * b.eval (mul.valid.snd q)).filter fun i => (i, false) <ₗ min (a.toOrder (mul.valid.fst q)) (b.toOrder (mul.valid.snd q)) := by simp only [Finsupp.mul_filter, lt_min_iff] _ = (a.eval (mul.valid.fst q) * b.eval (mul.valid.snd q)).filter fun i => (i, false) <ₗ (a.mul b).toOrder q := by simp [order_eq_of_mul_ready H]
case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
rw [ha.eval₀_eq_eval_filter, hb.eval₀_eq_eval_filter]
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) = Finsupp.filter (fun i => (i, false) < toOrder a (mul.valid.fst q)) (eval a ↑(mul.valid.fst q)) * Finsupp.filter (fun i => (i, false) < toOrder b (mul.valid.snd q)) (eval b ↑(mul.valid.snd q))
no goals
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ eval₀ a (mul.valid.fst q) * eval₀ b (mul.valid.snd q) = Finsupp.filter (fun i => (i, false) < toOrder a (mul.valid.fst q)) (eval a ↑(mul.valid.fst q)) * Finsupp.filter (fun i => (i, false) < toOrder b (mul.valid.snd q)) (eval b ↑(mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
simp only [Finsupp.mul_filter, lt_min_iff]
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ Finsupp.filter (fun i => (i, false) < toOrder a (mul.valid.fst q)) (eval a ↑(mul.valid.fst q)) * Finsupp.filter (fun i => (i, false) < toOrder b (mul.valid.snd q)) (eval b ↑(mul.valid.snd q)) = Finsupp.filter (fun i => (i, false) < min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))
no goals
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ Finsupp.filter (fun i => (i, false) < toOrder a (mul.valid.fst q)) (eval a ↑(mul.valid.fst q)) * Finsupp.filter (fun i => (i, false) < toOrder b (mul.valid.snd q)) (eval b ↑(mul.valid.snd q)) = Finsupp.filter (fun i => (i, false) < min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
simp [order_eq_of_mul_ready H]
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ Finsupp.filter (fun i => (i, false) < min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))
no goals
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : (mul a b).ready q = true ⊢ Finsupp.filter (fun i => (i, false) < min (toOrder a (mul.valid.fst q)) (toOrder b (mul.valid.snd q))) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
symm
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) = eval₀ (mul a b) q
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ eval₀ (mul a b) q = Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
simp only [Stream.eval₀, H, dite_false, coe_mul_valid_fst, mul.valid, coe_mul_valid_snd, Finsupp.filter_eq_zero_iff]
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) = eval₀ (mul a b) q
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ ∀ (x : ι), (x, false) < toOrder (mul a b) q → (eval a (↑q).1 * eval b (↑q).2) x = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ Finsupp.filter (fun i => (i, false) < toOrder (mul a b) q) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) = eval₀ (mul a b) q TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
intro i hi
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ ∀ (x : ι), (x, false) < toOrder (mul a b) q → (eval a (↑q).1 * eval b (↑q).2) x = 0
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true i : ι hi : (i, false) < toOrder (mul a b) q ⊢ (eval a (↑q).1 * eval b (↑q).2) i = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true ⊢ ∀ (x : ι), (x, false) < toOrder (mul a b) q → (eval a (↑q).1 * eval b (↑q).2) x = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
simp only [Stream.toOrder, H, mul_index, Prod.Lex.mk_snd_mono_lt_iff, lt_max_iff] at hi
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true i : ι hi : (i, false) < toOrder (mul a b) q ⊢ (eval a (↑q).1 * eval b (↑q).2) i = 0
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true i : ι hi : i < a.index (mul.valid.fst q) ∨ i < b.index (mul.valid.snd q) ⊢ (eval a (↑q).1 * eval b (↑q).2) i = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true i : ι hi : (i, false) < toOrder (mul a b) q ⊢ (eval a (↑q).1 * eval b (↑q).2) i = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_eval₀_spec
[98, 1]
[122, 51]
refine mul_eq_zero_of (hi.imp (fun h => ha.1.eq_zero_of_lt_index i ?_) fun h => hb.1.eq_zero_of_lt_index i ?_) <;> rwa [Stream.index'_val', WithTop.coe_lt_coe]
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true i : ι hi : i < a.index (mul.valid.fst q) ∨ i < b.index (mul.valid.snd q) ⊢ (eval a (↑q).1 * eval b (↑q).2) i = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsBounded a inst✝ : IsBounded b ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } H : ¬(mul a b).ready q = true i : ι hi : i < a.index (mul.valid.fst q) ∨ i < b.index (mul.valid.snd q) ⊢ (eval a (↑q).1 * eval b (↑q).2) i = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_mono
[124, 1]
[128, 37]
intro q i
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b ⊢ IsMonotonic (mul a b)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b q : { q // (mul a b).valid q = true } i : Lex (ι × Bool) ⊢ index' (mul a b) ↑q ≤ index' (mul a b) ((mul a b).seek q i)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b ⊢ IsMonotonic (mul a b) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_mono
[124, 1]
[128, 37]
simp only [Stream.mul_index']
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b q : { q // (mul a b).valid q = true } i : Lex (ι × Bool) ⊢ index' (mul a b) ↑q ≤ index' (mul a b) ((mul a b).seek q i)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b q : { q // (mul a b).valid q = true } i : Lex (ι × Bool) ⊢ max (index' a (↑q).1) (index' b (↑q).2) ≤ max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b q : { q // (mul a b).valid q = true } i : Lex (ι × Bool) ⊢ index' (mul a b) ↑q ≤ index' (mul a b) ((mul a b).seek q i) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_mono
[124, 1]
[128, 37]
exact max_le_max (ha _ _) (hb _ _)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b q : { q // (mul a b).valid q = true } i : Lex (ι × Bool) ⊢ max (index' a (↑q).1) (index' b (↑q).2) ≤ max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
no goals
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsMonotonic a hb : IsMonotonic b q : { q // (mul a b).valid q = true } i : Lex (ι × Bool) ⊢ max (index' a (↑q).1) (index' b (↑q).2) ≤ max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_strict_mono
[130, 1]
[139, 22]
simp only [Stream.mul_index']
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true ⊢ index' (mul a b) ↑q < index' (mul a b) ((mul a b).seek q i)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true ⊢ index' (mul a b) ↑q < index' (mul a b) ((mul a b).seek q i) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_strict_mono
[130, 1]
[139, 22]
have := order_eq_of_mul_ready hr
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true this : toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_strict_mono
[130, 1]
[139, 22]
simp at hr
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true this : toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i this : toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q hr : (a.ready (mul.valid.fst q) = true ∧ b.ready (mul.valid.snd q) = true) ∧ a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i hr : (mul a b).ready q = true this : toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_strict_mono
[130, 1]
[139, 22]
apply max_lt_max (ha.lt (hr := hr.1.1) ..) (hb.lt (hr := hr.1.2) ..) <;> simpa [this]
ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i this : toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q hr : (a.ready (mul.valid.fst q) = true ∧ b.ready (mul.valid.snd q) = true) ∧ a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2)
no goals
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝¹ : LinearOrder ι α : Type u inst✝ : NonUnitalNonAssocSemiring α a b : Stream ι α ha : IsStrictMono a hb : IsStrictMono b q : { q // (mul a b).valid q = true } i : StreamOrder ι H : toOrder (mul a b) q ≤ i this : toOrder a (mul.valid.fst q) = toOrder (mul a b) q ∧ toOrder b (mul.valid.snd q) = toOrder (mul a b) q hr : (a.ready (mul.valid.fst q) = true ∧ b.ready (mul.valid.snd q) = true) ∧ a.index (mul.valid.fst q) = b.index (mul.valid.snd q) ⊢ max (index' a (↑q).1) (index' b (↑q).2) < max (index' a ((mul a b).seek q i).1) (index' b ((mul a b).seek q i).2) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
ext j
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } ⊢ eval a (advance (mul a b) ↑q).1 * eval b (advance (mul a b) ↑q).2 = Finsupp.filter (fun i => toOrder (mul a b) q ≤ (i, false)) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))
case h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι ⊢ (eval a (advance (mul a b) ↑q).1 * eval b (advance (mul a b) ↑q).2) j = (Finsupp.filter (fun i => toOrder (mul a b) q ≤ (i, false)) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))) j
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } ⊢ eval a (advance (mul a b) ↑q).1 * eval b (advance (mul a b) ↑q).2 = Finsupp.filter (fun i => toOrder (mul a b) q ≤ (i, false)) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q)) TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
simp only [Finsupp.mul_apply, Finsupp.filter_apply, Stream.advance_val]
case h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι ⊢ (eval a (advance (mul a b) ↑q).1 * eval b (advance (mul a b) ↑q).2) j = (Finsupp.filter (fun i => toOrder (mul a b) q ≤ (i, false)) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))) j
case h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = if toOrder (mul a b) q ≤ (j, false) then (eval a ↑(mul.valid.fst q)) j * (eval b ↑(mul.valid.snd q)) j else 0
Please generate a tactic in lean4 to solve the state. STATE: case h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι ⊢ (eval a (advance (mul a b) ↑q).1 * eval b (advance (mul a b) ↑q).2) j = (Finsupp.filter (fun i => toOrder (mul a b) q ≤ (i, false)) (eval a ↑(mul.valid.fst q) * eval b ↑(mul.valid.snd q))) j TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
split_ifs with hj
case h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = if toOrder (mul a b) q ≤ (j, false) then (eval a ↑(mul.valid.fst q)) j * (eval b ↑(mul.valid.snd q)) j else 0
case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : toOrder (mul a b) q ≤ (j, false) ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = (eval a ↑(mul.valid.fst q)) j * (eval b ↑(mul.valid.snd q)) j case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : ¬toOrder (mul a b) q ≤ (j, false) ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = 0
Please generate a tactic in lean4 to solve the state. STATE: case h ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = if toOrder (mul a b) q ≤ (j, false) then (eval a ↑(mul.valid.fst q)) j * (eval b ↑(mul.valid.snd q)) j else 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
simp only [Stream.toOrder, Stream.index'_val, Stream.mul_seek] at hj ⊢
case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : toOrder (mul a b) q ≤ (j, false) ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = (eval a ↑(mul.valid.fst q)) j * (eval b ↑(mul.valid.snd q)) j
case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : ((mul a b).index q, (mul a b).ready q) ≤ (j, false) ⊢ (eval a (a.seek (mul.valid.fst q) ((mul a b).index q, (mul a b).ready q))) j * (eval b (b.seek (mul.valid.snd q) ((mul a b).index q, (mul a b).ready q))) j = (eval a ↑(mul.valid.fst q)) j * (eval b ↑(mul.valid.snd q)) j
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : toOrder (mul a b) q ≤ (j, false) ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = (eval a ↑(mul.valid.fst q)) j * (eval b ↑(mul.valid.snd q)) j TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
dsimp only [mul_seek]
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : ¬toOrder (mul a b) q ≤ (j, false) ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = 0
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : ¬toOrder (mul a b) q ≤ (j, false) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : ¬toOrder (mul a b) q ≤ (j, false) ⊢ (eval a ((mul a b).seek q (toOrder (mul a b) q)).1) j * (eval b ((mul a b).seek q (toOrder (mul a b) q)).2) j = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
rw [not_le] at hj
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : ¬toOrder (mul a b) q ≤ (j, false) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : ¬toOrder (mul a b) q ≤ (j, false) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
rcases le_max_iff.mp <| toOrder_le_max a b q with hj' | hj'
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0
case neg.inl ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q hj' : toOrder (mul a b) q ≤ toOrder a (mul.valid.fst q) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0 case neg.inr ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q hj' : toOrder (mul a b) q ≤ toOrder b (mul.valid.snd q) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
rw [a.strictMono.eval_seek_eq_zero, MulZeroClass.zero_mul] <;> assumption
case neg.inl ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q hj' : toOrder (mul a b) q ≤ toOrder a (mul.valid.fst q) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.inl ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q hj' : toOrder (mul a b) q ≤ toOrder a (mul.valid.fst q) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.next_eval_mul_eq
[141, 1]
[153, 80]
rw [b.strictMono.eval_seek_eq_zero, MulZeroClass.mul_zero] <;> assumption
case neg.inr ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q hj' : toOrder (mul a b) q ≤ toOrder b (mul.valid.snd q) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.inr ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : { q // (mul a b).valid q = true } j : ι hj : (j, false) < toOrder (mul a b) q hj' : toOrder (mul a b) q ≤ toOrder b (mul.valid.snd q) ⊢ (eval a (a.seek (mul.valid.fst q) (toOrder (mul a b) q))) j * (eval b (b.seek (mul.valid.snd q) (toOrder (mul a b) q))) j = 0 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
apply (a.mul b).wf.induction q
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ⊢ ∀ (x : (mul a b).σ), (∀ (y : (mul a b).σ), WfRel (mul a b) y x → eval (mul a b) y = eval a y.1 * eval b y.2) → eval (mul a b) x = eval a x.1 * eval b x.2
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
clear q
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ⊢ ∀ (x : (mul a b).σ), (∀ (y : (mul a b).σ), WfRel (mul a b) y x → eval (mul a b) y = eval a y.1 * eval b y.2) → eval (mul a b) x = eval a x.1 * eval b x.2
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b ⊢ ∀ (x : (mul a b).σ), (∀ (y : (mul a b).σ), WfRel (mul a b) y x → eval (mul a b) y = eval a y.1 * eval b y.2) → eval (mul a b) x = eval a x.1 * eval b x.2
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ⊢ ∀ (x : (mul a b).σ), (∀ (y : (mul a b).σ), WfRel (mul a b) y x → eval (mul a b) y = eval a y.1 * eval b y.2) → eval (mul a b) x = eval a x.1 * eval b x.2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
intro q ih
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b ⊢ ∀ (x : (mul a b).σ), (∀ (y : (mul a b).σ), WfRel (mul a b) y x → eval (mul a b) y = eval a y.1 * eval b y.2) → eval (mul a b) x = eval a x.1 * eval b x.2
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b ⊢ ∀ (x : (mul a b).σ), (∀ (y : (mul a b).σ), WfRel (mul a b) y x → eval (mul a b) y = eval a y.1 * eval b y.2) → eval (mul a b) x = eval a x.1 * eval b x.2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
by_cases hv : (a.mul b).valid q
ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : (mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
Please generate a tactic in lean4 to solve the state. STATE: ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
swap
case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : (mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : (mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
Please generate a tactic in lean4 to solve the state. STATE: case pos ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : (mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
have := hv
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv this : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
simp only [mul_valid, Bool.and_eq_true, not_and_or, Bool.not_eq_true] at hv
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv this : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 this : ¬(mul a b).valid q = true hv : a.valid q.1 = false ∨ b.valid q.2 = false ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 hv this : ¬(mul a b).valid q = true ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 TACTIC:
https://github.com/kovach/etch.git
b9e66fe99c33dc1edd926626e598ba00d5d78627
Etch/StreamFusion/Proofs/StreamMul.lean
Etch.Verification.Stream.mul_spec
[156, 1]
[167, 9]
rcases hv with hv' | hv' <;> simp [this, hv']
case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 this : ¬(mul a b).valid q = true hv : a.valid q.1 = false ∨ b.valid q.2 = false ⊢ eval (mul a b) q = eval a q.1 * eval b q.2
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg ι : Type inst✝³ : LinearOrder ι α : Type u inst✝² : NonUnitalNonAssocSemiring α a b : Stream ι α inst✝¹ : IsStrictLawful a inst✝ : IsStrictLawful b q : (mul a b).σ ih : ∀ (y : (mul a b).σ), WfRel (mul a b) y q → eval (mul a b) y = eval a y.1 * eval b y.2 this : ¬(mul a b).valid q = true hv : a.valid q.1 = false ∨ b.valid q.2 = false ⊢ eval (mul a b) q = eval a q.1 * eval b q.2 TACTIC: