Theorem Equiv.symm_symm

Modification history

2024-08-17 20:08
Mathlib/Logic/Equiv/Defs.lean
chore(*): use `rfl` to prove `symm_symm` (#15923)
Modified Equiv.symm_symmView on Github →
2022-11-18 00:38
Mathlib/Logic/Equiv/Defs.lean
feat: port logic.equiv.defs (#550) …
Added Equiv.symm_symmView on Github →