Theorem Subgroup.one_le_sum_inv_index_of_leftCoset_cover

Modification history

2024-07-26 08:51
Mathlib/GroupTheory/CosetCover.lean
feat(GroupTheory): covering a group by cosets (Lemma of B. H. Neumann) (#13047) …
Added Subgroup.one_le_sum_inv_index_of_leftCoset_coverView on Github →