Theorem Subgroup.map_subtype_commutator

Modification history

2025-07-23 15:29
Mathlib/GroupTheory/Abelianization.lean
chore(GroupTheory/FreeAbelianGroup): do not import cardinals (#27169) …
Modified Subgroup.map_subtype_commutatorView on Github →
2024-12-28 18:52
Mathlib/GroupTheory/Abelianization.lean
feat(GroupTheory/SpecificGroups/ZGroup): A finite Z-group has cyclic commutator subgroup (#20183) …
Added Subgroup.map_subtype_commutatorView on Github →