Def Subgroup.center

Modification history

2024-04-20 06:50
Mathlib/GroupTheory/Subgroup/Basic.lean
chore: refactor to avoid importing Ring for Group topics (#11913) …
Modified Subgroup.centerView on Github →
2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added Subgroup.centerView on Github →