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Theorem set.preimage_set_of_eq

Modification history

2022-12-07 20:30
src/data/set/basic.lean
refactor(data/set/basic): move image, preimage, and range to a new file (#17842) …
Modified set.preimage_set_of_eqView on Github →
2017-08-11 17:57
algebra/lattice/filter.lean
algebra/lattice/filter: cleanup move theorems to appropriate places
Modified set.preimage_set_of_eqView on Github →
2017-08-02 22:32
algebra/lattice/filter.lean
refactor(data/set/basic,*): vimage -> preimage, add notation
Added set.preimage_set_of_eqView on Github →