Theorem Set.preimage_image_preimage

Modification history

2022-12-14 04:57
Mathlib/Data/Set/Image.lean
chore: restore set image notation (#1000) …
Modified Set.preimage_image_preimageView on Github →
2022-12-12 07:45
Mathlib/Data/Set/Image.lean
feat: Port Data.Set.Image (#949) …
Added Set.preimage_image_preimageView on Github →