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Theorem finset.nonempty_iff_ne_empty

Modification history

2020-01-26 01:12
src/data/finset.lean
feat(*): some simple lemmas about sets and finite sets (#1903) …
Modified finset.nonempty_iff_ne_emptyView on Github →
2019-04-20 20:07
src/data/finset.lean
feat(data/[fin]set): add some more basic properties of (finite) sets (#948) …
Added finset.nonempty_iff_ne_emptyView on Github →