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Theorem set.subsingleton.preimage

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.subsingleton.preimageView on Github →
2021-07-26 22:05
src/data/set/basic.lean
chore(data/set): add a couple of lemmas (#8430)
Added set.subsingleton.preimageView on Github →