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Theorem monoid_hom.ker_one

Modification history

2022-11-25 02:14
src/group_theory/subgroup/basic.lean
feat(group_theory/subgroup/basic): weaken some TC assumptions (#17698) …
Modified monoid_hom.ker_oneView on Github →
2021-09-01 19:25
src/group_theory/subgroup.lean
feat(group_theory): Add `monoid_hom.mker` and generalise the codomain for `monoid_hom.ker` (#8532) …
Modified monoid_hom.ker_oneView on Github →
2021-05-07 04:59
src/group_theory/subgroup.lean
feat(normed_space/normed_group_hom): add lemmas (#7468) …
Added monoid_hom.ker_oneView on Github →