Theorem Finset.card_eq_of_equiv

Modification history

2024-10-22 21:02
Mathlib/Data/Fintype/Card.lean
chore(Data): use newly introduced finset notation (#18059) …
Modified Finset.card_eq_of_equivView on Github →
2023-11-27 10:05
Mathlib/Data/Fintype/Card.lean
feat(Data/Finset/Card): add converse to some existing theorems (#8515) …
Added Finset.card_eq_of_equivView on Github →