Theorem Subsemigroup.mem_center_iff

Modification history

2023-11-13 21:35
Mathlib/GroupTheory/Subsemigroup/Center.lean
refactor(Algebra): Define the center appropriately for non-associative algebras (#6996) …
Modified Subsemigroup.mem_center_iffView on Github →
2023-01-03 22:36
Mathlib/GroupTheory/Subsemigroup/Center.lean
feat: port GroupTheory.Submonoid.Center (#1315) …
Modified Subsemigroup.mem_center_iffView on Github →
2022-12-31 22:14
Mathlib/GroupTheory/Subsemigroup/Center.lean
feat: port GroupTheory.Subsemigroup.Center (#1278)
Added Subsemigroup.mem_center_iffView on Github →