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Theorem submonoid.mem_map_iff_mem

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.mem_map_iff_memView on Github →
2021-10-11 06:17
src/group_theory/submonoid/operations.lean
feat(group_theory/subgroup/basic): apply_mem_map_injective (#9637) …
Added submonoid.mem_map_iff_memView on Github →