Theorem Subgroup.le_normalizer_map

Modification history

2026-03-23 08:24
Mathlib/Algebra/Group/Subgroup/Basic.lean
feat(Algebra/Group/Subgroup/Defs): merge `setNormalizer` into `normalizer` (#36852) …
Modified Subgroup.le_normalizer_mapView on Github →
2023-01-26 10:26
Mathlib/GroupTheory/Subgroup/Basic.lean
feat: port GroupTheory.Subgroup.Basic (#1797)
Added Subgroup.le_normalizer_mapView on Github →