Mathlib Changelog
v4
Changelog
About
Github
Theorem
Finset.card_triple_eq_three_iff
Modification history
2026-05-25 22:55
Mathlib/Data/Finset/Card.lean
feat(Data/Finset/Card): add card_{pair,triple}_eq_iff (#39840) …
Added
Finset.card_triple_eq_three_iff
View on Github →