Theorem Set.neg_mem_center

Modification history

2024-04-20 06:50
Mathlib/Algebra/Ring/Center.lean
chore: refactor to avoid importing Ring for Group topics (#11913) …
Modified Set.neg_mem_centerView on Github →
2023-07-01 15:01
Mathlib/GroupTheory/Subsemigroup/Center.lean
feat: define `NonUnitalSubring`s (#5151) …
Modified Set.neg_mem_centerView on Github →
2023-01-03 22:36
Mathlib/GroupTheory/Subsemigroup/Center.lean
feat: port GroupTheory.Submonoid.Center (#1315) …
Modified Set.neg_mem_centerView on Github →
2022-12-31 22:14
Mathlib/GroupTheory/Subsemigroup/Center.lean
feat: port GroupTheory.Subsemigroup.Center (#1278)
Added Set.neg_mem_centerView on Github →