Theorem Finset.card_sdiff_add_card_eq_card

Modification history

2026-04-27 15:18
Mathlib/Data/Finset/Card.lean
chore(Data/Finset/Card): use section variables rather than fresh arguments in three lemmas (#37796)
Modified Finset.card_sdiff_add_card_eq_cardView on Github →
2025-09-16 10:16
Mathlib/Data/Finset/Card.lean
feat: `grind` annotations for `Finset.card` (#29429)
Modified Finset.card_sdiff_add_card_eq_cardView on Github →
2024-10-17 15:41
Mathlib/Data/Finset/Card.lean
feat: `#s` as notation for `Finset.card s` (#17646) …
Modified Finset.card_sdiff_add_card_eq_cardView on Github →
2023-01-16 16:20
Mathlib/Data/Finset/Card.lean
feat: port Data.Finset.Card (#1589)
Added Finset.card_sdiff_add_card_eq_cardView on Github →