Theorem Subgroup.mem_normalizer_iff''

Modification history

2026-04-07 10:05

Mathlib/Algebra/Group/Subgroup/Defs.lean

feat(GroupTheory/Subgroup): basic API for set normalizers (#36760)

Modified Subgroup.mem_normalizer_iff''View on Github →

2026-04-05 08:02

Mathlib/Algebra/Group/Subgroup/Defs.lean

chore(GroupTheory/Sylow): remove explicit type ascriptions `(P : Subgroup G)` (#37086) …

Modified Subgroup.mem_normalizer_iff''View on Github →

2026-03-23 08:24

Mathlib/Algebra/Group/Subgroup/Defs.lean

feat(Algebra/Group/Subgroup/Defs): merge `setNormalizer` into `normalizer` (#36852) …

Modified Subgroup.mem_normalizer_iff''View on Github →

2024-10-28 17:42

Mathlib/Algebra/Group/Subgroup/Basic.lean

chore(Algebra/Group/Subgroup): split off `Defs` file (#18340) …

Modified Subgroup.mem_normalizer_iff''View on Github →

2023-01-26 10:26

Mathlib/GroupTheory/Subgroup/Basic.lean

feat: port GroupTheory.Subgroup.Basic (#1797)

Added Subgroup.mem_normalizer_iff''View on Github →