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Theorem submonoid.map_le_iff_le_comap

Modification history

2022-06-30 17:18
src/group_theory/submonoid/operations.lean
refactor(algebra/hom/group): generalize basic API of `monoid_hom` to `monoid_hom_class` (#14997) …
Modified submonoid.map_le_iff_le_comapView on Github →
2020-06-28 22:51
src/group_theory/submonoid.lean
chore(group_theory/submonoid): split into 3 files (#3058) …
Modified submonoid.map_le_iff_le_comapView on Github →
2020-04-01 06:47
src/group_theory/submonoid.lean
refactor(group_theory/submonoid): review API (#2173) …
Added submonoid.map_le_iff_le_comapView on Github →