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Theorem set.nonempty_image_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 set.nonempty_image_iffView on Github →
2020-02-02 10:49
src/data/set/basic.lean
feat(data/set/basic): define `set.subsingleton` (#1939) …
Added set.nonempty_image_iffView on Github →