Theorem Subsemigroup.isMulCommutative_closure

Modification history

2026-09-07 07:56
Mathlib/GroupTheory/Subsemigroup/Centralizer.lean
refactor: use `Set.Pairwise s Commute` for commutativity of subobject closures (#42804) …
Modified Subsemigroup.isMulCommutative_closureView on Github →
2026-03-31 10:44
Mathlib/GroupTheory/Subsemigroup/Centralizer.lean
refactor: use `IsMulCommutative` ubiquitously for subobjects (#36549) …
Added Subsemigroup.isMulCommutative_closureView on Github →