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Theorem function.surjective.preimage_subset_preimage_iff

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 function.surjective.preimage_subset_preimage_iffView on Github →
2020-07-27 15:26
src/data/set/basic.lean
feat(*): remaining preliminaries for Haar measure (#3541) …
Added function.surjective.preimage_subset_preimage_iffView on Github →