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Theorem finset.nonempty.exists_eq_singleton_or_nontrivial

Modification history

2023-08-31 08:51
src/data/finset/basic.lean
feat(data/finset/lattice): `sup'`/`inf'` lemmas (#18989) …
Modified finset.nonempty.exists_eq_singleton_or_nontrivialView on Github →
2023-01-08 09:48
src/data/finset/basic.lean
feat(data/{set,finset}/basic): Convenience lemmas (#17957) …
Added finset.nonempty.exists_eq_singleton_or_nontrivialView on Github →