Theorem Con.toSetoid_inj

Modification history

2025-11-24 14:10
Mathlib/GroupTheory/Congruence/Defs.lean
feat(Algebra): characterise when a quotient is nontrivial (#31198) …
Modified Con.toSetoid_injView on Github →
2024-10-15 03:55
Mathlib/GroupTheory/Congruence/Basic.lean
chore(GroupTheory/Congruence/Basic): split off `Defs` and `Hom` (#17729) …
Modified Con.toSetoid_injView on Github →
2023-01-17 13:16
Mathlib/GroupTheory/Congruence.lean
feat: port GroupTheory/Congruence (#1316) …
Added Con.toSetoid_injView on Github →