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Theorem set.range_nonempty_iff_nonempty

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.range_nonempty_iff_nonemptyView on Github →
2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Added set.range_nonempty_iff_nonemptyView on Github →