Theorem Mathlib.Tactic.Nontriviality.subsingleton_or_nontrivial_elim

Modification history

2022-11-21 03:50
Mathlib/Tactic/Nontriviality/Core.lean
feat: `nontriviality` tactic (#600) …
Added Mathlib.Tactic.Nontriviality.subsingleton_or_nontrivial_elimView on Github →