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Theorem set.subset_preimage_univ

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.subset_preimage_univView on Github →
2020-02-21 17:46
src/data/set/basic.lean
feat(tactic/lint): check that left-hand side of all simp lemmas is in simp-normal form (#2017) …
Modified set.subset_preimage_univView on Github →
2019-10-17 20:03
src/data/set/basic.lean
refactor(topology,calculus): change subset condition for composition (#1549) …
Added set.subset_preimage_univView on Github →