Theorem Subgroup.map_comap_eq_self

Modification history

2024-05-31 00:19
Mathlib/Algebra/Group/Subgroup/Basic.lean
chore: fix formatting of many misplaced "by"s (#13204)
Modified Subgroup.map_comap_eq_selfView on Github →
2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added Subgroup.map_comap_eq_selfView on Github →