Theorem QuotientGroup.congr_symm

Modification history

2024-10-29 13:45
Mathlib/GroupTheory/QuotientGroup/Basic.lean
chore(GroupTheory/QuotientGroup): split off `Defs` file (#18348) …
Modified QuotientGroup.congr_symmView on Github →
2023-02-02 05:17
Mathlib/GroupTheory/QuotientGroup.lean
feat: port GroupTheory.QuotientGroup (#1996) …
Added QuotientGroup.congr_symmView on Github →