Commit 2024-02-14 08:30 da3c42f7
View on Github →feat(Algebra/Group): Add commute_iff_eq and a few lemmas on conjugation (#9870)
This introduces some helpful, small lemmas around conjugation in groups, as well as commute_iff_eq
,
which removes the need to use show
or unfold
to get an expression of the form a * b = b * a
to prove.