Theorem Set.preimage_eq_empty

Modification history

2022-12-23 16:03
Mathlib/Data/Set/Image.lean
chore: move basic lemmas to basic files (#1109) …
Modified Set.preimage_eq_emptyView on Github →
2022-12-22 16:59
Mathlib/Data/Set/Lattice.lean
feat port: Data.Set.Lattice (#1121) …
Added Set.preimage_eq_emptyView on Github →