| Goal: | |
| A : Type | |
| i : positive | |
| IHi : forall (j : positive) (m : tree' A), | |
| i <> j -> get i (rem' j m) = get' i m | |
| j : positive | |
| m1 : tree' A | |
| m2 : tree' A | |
| H : xO i <> xI j | |
| ============================ | |
| (get (xO i) (Node (Nodes m1) None (rem' j m2)) = get' i m1) | |
| DEBUG:Going to execute: | |
| PTRDEBUGTACrewrite gNode; auto; apply IHi; congruence | |
| Level 0: Backtrace: | |
| Tactic failure: congruence failed. | |
| Level 0: Backtrace: | |
| Tactic failure: congruence failed. | |
| TcDebug (0) > NONE??? LtacNotationCall (no location),/mnt/data1/2023/07/06/metacoq/utils/theories/canonicaltries/CanonicalTries.v:261 | |