Theorem Setoid.ker_iff_mem_preimage

Modification history

2024-10-19 06:53
Mathlib/Data/Setoid/Basic.lean
chore: deprecate `Setoid.Rel` (#16260)
Modified Setoid.ker_iff_mem_preimageView on Github →
2022-12-22 08:25
Mathlib/Data/Setoid/Basic.lean
feat: port Data.Setoid.Basic (#1117)
Added Setoid.ker_iff_mem_preimageView on Github →