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Theorem set.preimage_eq_empty_iff

Modification history

2022-12-21 14:13
src/data/set/image.lean
chore(data/set/lattice): move basic lemmas to basic files (#17882) …
Modified set.preimage_eq_empty_iffView on Github →
2022-06-26 04:37
src/data/set/lattice.lean
feat(data/set/lattice): Preimages are disjoint iff the sets are disjoint (#14951) …
Modified set.preimage_eq_empty_iffView on Github →
2020-09-26 07:58
src/data/set/lattice.lean
feat(data/set): add some lemmas (#4263) …
Added set.preimage_eq_empty_iffView on Github →