Theorem Semigroup.mem_center_iff

Modification history

2024-04-20 06:50
Mathlib/Algebra/Group/Center.lean
chore: refactor to avoid importing Ring for Group topics (#11913) …
Modified Semigroup.mem_center_iffView on Github →
2023-11-13 21:35
Mathlib/GroupTheory/Subsemigroup/Center.lean
refactor(Algebra): Define the center appropriately for non-associative algebras (#6996) …
Added Semigroup.mem_center_iffView on Github →