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Theorem set.preimage_eq_empty

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 View on Github →

2020-09-26 07:58

src/data/set/lattice.lean

feat(data/set): add some lemmas (#4263) …

Added set.preimage_eq_empty View on Github →