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Theorem monoid_hom.cancel_left

Modification history

2021-03-31 21:24
src/algebra/group/hom.lean
refactor(algebra/*): add new `mul_one_class` and `add_zero_class` for non-associative monoids (#6865) …
Modified monoid_hom.cancel_leftView on Github →
2020-10-08 05:32
src/algebra/group/hom.lean
chore(*/hom,equiv): Split `monoid_hom` into more fundamental structures, and reuse them elsewhere (#4423) …
Modified monoid_hom.cancel_leftView on Github →
2020-03-09 21:54
src/algebra/group/hom.lean
feat(algebra/group/hom): cancel injective/surjective `monoid_hom`s (#2112) …
Added monoid_hom.cancel_leftView on Github →