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Theorem monoid_hom.ker_eq_bot_iff

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_eq_bot_iffView on Github →
2021-03-11 13:28
src/group_theory/subgroup.lean
feat(group_theory/subgroup): le_ker_iff (#6630) …
Added monoid_hom.ker_eq_bot_iffView on Github →