Theorem Subgroup.commutator_le_self

Modification history

2025-07-23 15:29
Mathlib/GroupTheory/Abelianization.lean
chore(GroupTheory/FreeAbelianGroup): do not import cardinals (#27169) …
Modified Subgroup.commutator_le_selfView on Github →
2025-06-02 17:11
Mathlib/GroupTheory/Abelianization.lean
feat(GroupTheory): Add some results about `derivedSeries` (#25342) …
Added Subgroup.commutator_le_selfView on Github →