Theorem MonoidHom.ker_restrict

Modification history

2026-07-20 01:34
Mathlib/Algebra/Group/Subgroup/Ker.lean
refactor: rename restrict to domRestrict (#25980) …
Deleted MonoidHom.ker_restrictView on Github →
2026-01-26 17:29
Mathlib/Algebra/Group/Subgroup/Ker.lean
feat(Subgroup/Ker): generalize codomain in some lemmas (#34429) …
Modified MonoidHom.ker_restrictView on Github →
2024-11-21 09:25
Mathlib/Algebra/Group/Subgroup/Basic.lean
chore(Algebra/Group/Subgroup): split `Lattice`, `Map`, `Ker` from `Basic.lean` (#19295) …
Modified MonoidHom.ker_restrictView on Github →
2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added MonoidHom.ker_restrictView on Github →