Theorem Setoid.ker_eq_lift_of_injective

Modification history

2025-11-04 17:16
Mathlib/Data/Setoid/Basic.lean
feat(Data/Setoid/Basic): add theorems about lifting a function to its kernel (#28818) …
Modified Setoid.ker_eq_lift_of_injectiveView on Github →
2024-10-19 06:53
Mathlib/Data/Setoid/Basic.lean
chore: deprecate `Setoid.Rel` (#16260)
Modified Setoid.ker_eq_lift_of_injectiveView on Github →
2022-12-22 08:25
Mathlib/Data/Setoid/Basic.lean
feat: port Data.Setoid.Basic (#1117)
Added Setoid.ker_eq_lift_of_injectiveView on Github →