Theorem Option.card_toFinset

Modification history

2026-10-11 17:26
Mathlib/Data/Finset/Option.lean
chore: use the `Finset.card` notation more widely (#44638) …
Modified Option.card_toFinsetView on Github →
2023-01-16 16:47
Mathlib/Data/Finset/Option.lean
feat: port Data.Finset.Option (#1596)
Added Option.card_toFinsetView on Github →