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_iffView 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_iffView 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_iffView on Github →
2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added Subgroup.mem_normalizer_iffView on Github →