Theorem Subtype.coind_surjective

Modification history

2025-11-07 22:59
Mathlib/Data/Set/Function.lean
feat(Subtype): `SurjOn` versions of `coind_surjective` and `coind_bijective` (#31349) …
Modified Subtype.coind_surjectiveView on Github →
2022-11-07 03:29
Mathlib/Data/Subtype.lean
feat: port Data.Subtype (#546)
Modified Subtype.coind_surjectiveView on Github →
2021-08-03 11:53
Mathlib/Data/Subtype.lean
feat(Data/Subtype) port data/subtype.lean from mathlib3 (#29)
Added Subtype.coind_surjectiveView on Github →