Def FixedPoints.addSubmonoid

Modification history

2024-10-29 10:42
Mathlib/GroupTheory/GroupAction/Basic.lean
chore(GroupTheory/GroupAction): split off `Defs` file (#18345) …
Modified FixedPoints.addSubmonoidView on Github →
2024-02-01 11:35
Mathlib/GroupTheory/GroupAction/Basic.lean
feat(GroupTheory/GroupAction/Basic): define subgroups fixed by group actions (#10043)
Added FixedPoints.addSubmonoidView on Github →