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Theorem set.preimage_subset_image_of_inverse

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_subset_image_of_inverseView on Github →
2017-10-15 01:58
data/set/basic.lean
feat(*): working on list/basic, robusting simp proofs
Added set.preimage_subset_image_of_inverseView on Github →