Theorem Finset.card_pair_eq_one_or_two

Modification history

2024-10-17 15:41
Mathlib/Data/Finset/Card.lean
feat: `#s` as notation for `Finset.card s` (#17646) …
Modified Finset.card_pair_eq_one_or_twoView on Github →
2024-05-28 09:02
Mathlib/Data/Finset/Card.lean
feat: The finset `{a, b}` has card one or two (#13302)
Added Finset.card_pair_eq_one_or_twoView on Github →