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Def monoid_hom.from_opposite

Modification history

2022-01-04 13:36
src/algebra/group/opposite.lean
feat(algebra/opposites): add `add_opposite` (#11080) …
Modified monoid_hom.from_oppositeView on Github →
2021-12-13 00:12
src/algebra/group/opposite.lean
feat(algebra/{group,ring}/opposite): `{ring,monoid}_hom.from_opposite` (#10723) …
Added monoid_hom.from_oppositeView on Github →