Commit 2021-04-19 09:07 fc5e8cb0
View on Github →chore(algebra/group): missed generalizations to mul_one_class (#7259)
This adds a missing ulift
instance, relaxes some lemmas about semiconj
and commute
to apply more generally, and broadens the scope of the definitions monoid_hom.apply
and ulift.mul_equiv
.