Theorem Subgroup.comap_map_eq_self

Modification history

2024-11-21 09:25
Mathlib/Algebra/Group/Subgroup/Basic.lean
chore(Algebra/Group/Subgroup): split `Lattice`, `Map`, `Ker` from `Basic.lean` (#19295) …
Modified Subgroup.comap_map_eq_selfView on Github →
2024-05-31 00:19
Mathlib/Algebra/Group/Subgroup/Basic.lean
chore: fix formatting of many misplaced "by"s (#13204)
Modified Subgroup.comap_map_eq_selfView on Github →
2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added Subgroup.comap_map_eq_selfView on Github →