Theorem Subgroup.Normal.comap

Modification history

2024-06-05 07:22
Mathlib/Algebra/Group/Subgroup/Basic.lean
feat(GroupTheory/Frattini): definition and first theorem (#13418) …
Modified Subgroup.Normal.comapView on Github →
2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added Subgroup.Normal.comapView on Github →