Theorem Sylow.normal_of_subsingleton

Modification history

2025-07-23 08:49
Mathlib/GroupTheory/Sylow.lean
feat(GroupTheory/SpecificGroups/Alternating/KleinFour): the Klein Four subgroup of alternatingGroup on 4 letters (#27057) …
Added Sylow.normal_of_subsingletonView on Github →