Theorem Function.Injective.preimage_surjective

Modification history

2025-02-14 22:49
Mathlib/Data/Set/Image.lean
feat(Function/Basic): iff lemmas for injectivity/surjectivity of composition (#20646) …
Modified Function.Injective.preimage_surjectiveView on Github →
2022-12-12 07:45
Mathlib/Data/Set/Image.lean
feat: Port Data.Set.Image (#949) …
Added Function.Injective.preimage_surjectiveView on Github →