Theorem MonoidHom.ker_fst

Modification history

2024-09-12 09:57
Mathlib/Algebra/Group/Subgroup/Basic.lean
chore: deprecate 14 `Init.Logic` lemmas (#16721) …
Modified MonoidHom.ker_fstView on Github →
2023-08-18 18:30
Mathlib/GroupTheory/Subgroup/Basic.lean
feat(GroupTheory/Subgroup/Basic): ker_{fst,snd} (#6639)
Added MonoidHom.ker_fstView on Github →