Theorem normal_of_eq_cosets

Modification history

2023-12-09 09:17
Mathlib/GroupTheory/Coset.lean
refactor: Remove `leftCoset`/`rightCoset` (#8877) …
Modified normal_of_eq_cosetsView on Github →
2023-01-31 10:56
Mathlib/GroupTheory/Coset.lean
feat: port GroupTheory.Coset (#1874) …
Added normal_of_eq_cosetsView on Github →