Theorem alternatingGroup.normal_subgroup_eq_bot_or_eq_top

Modification history

2026-04-28 15:42
Mathlib/GroupTheory/SpecificGroups/Alternating/Simple.lean
feat(GroupTheory/SpecificGroups/Alternating/Simple): simplicity of the alternating groups (#36524) …
Added alternatingGroup.normal_subgroup_eq_bot_or_eq_topView on Github →