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Theorem set.preimage_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.preimage_preimageView on Github →
2020-06-27 05:25
src/data/set/basic.lean
feat(set): preliminaries for Haar measure (#3189) …
Added set.preimage_preimageView on Github →