| Goal: | |
| A : Type l : list A n : nat H : n < #|l| Heq_l : [] = l | |
| ============================ | |
| A | |
| DEBUG:Going to execute: | |
| PTRDEBUGTACmatch goal with | |
| | H:∃ y, _ y |- _ => tac H | |
| | H:{x : _ | ?P x} |- _ => tac H | |
| | H:∑ y, ?P y |- _ => tacT H | |
| | H:exists2 x : _, _ x & _ x |- _ => tac2 H | |
| | H:{x : _ | ?P x & _ x} |- _ => tac2 H | |
| | H:{x : _ & ?P x & _ x} |- _ => tacT2 H | |
| end | |
| TcDebug (5) > /home/mdupont/.opam/4.14.1/lib/coq/theories/Program/Tactics.vdestruct_one_ex:68, Tactics (Coq.Program),/home/mdupont/.opam/4.14.1/lib/coq/theories/Program/Tactics.vdestruct_conjs:86, Tactics (Coq.Program),/home/mdupont/.opam/4.14.1/lib/coq/theories/Program/Tactics.vprogram_simplify:305, Tactics (Coq.Program),/home/mdupont/.opam/4.14.1/lib/coq/theories/Program/Tactics.vprogram_simpl:319, Tactics (Coq.Program),/home/mdupont/.opam/4.14.1/lib/coq/theories/Classes/SetoidTactics.v:187 | |