Theorem Finset.Nonempty.exists_eq_singleton_or_nontrivial

Modification history

2024-11-11 13:54
Mathlib/Data/Finset/Basic.lean
chore(Data/Finset): split `Basic.lean` into many smaller files (#18610) …
Modified Finset.Nonempty.exists_eq_singleton_or_nontrivialView on Github →
2023-09-09 21:45
Mathlib/Data/Finset/Basic.lean
feat: More `Finset.sup'` lemmas (#7021) …
Modified Finset.Nonempty.exists_eq_singleton_or_nontrivialView on Github →
2023-01-16 08:13
Mathlib/Data/Finset/Basic.lean
feat: port Data.Finset.Basic (#1555)
Added Finset.Nonempty.exists_eq_singleton_or_nontrivialView on Github →