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Def monoid_hom.to_opposite

Modification history

2022-01-04 13:36
src/algebra/group/opposite.lean
feat(algebra/opposites): add `add_opposite` (#11080) …
Modified monoid_hom.to_oppositeView on Github →
2021-11-28 22:06
src/algebra/group/opposite.lean
chore(algebra/opposites): split out lemmas about rings and groups (#10457) …
Modified monoid_hom.to_oppositeView on Github →
2021-04-27 07:21
src/algebra/opposites.lean
feat(algebra/opposite): inversion is a mul_equiv to the opposite group (#7330) …
Added monoid_hom.to_oppositeView on Github →