Theorem Finset.card_sdiff_comm

Modification history

2025-06-07 13:26
Mathlib/Data/Finset/Card.lean
feat(Finset/Card): relate cardinality of `s \ t` with `t \ s` (#25554) …
Deleted Finset.card_sdiff_commView 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_commView on Github →
2023-09-27 20:27
Mathlib/Data/Finset/Card.lean
feat: Miscellaneous `Finset` lemmas (#7379)
Added Finset.card_sdiff_commView on Github →