Theorem Finset.card_sdiff_eq_card_sdiff_iff

Modification history

2025-06-07 13:26
Mathlib/Data/Finset/Card.lean
feat(Finset/Card): relate cardinality of `s \ t` with `t \ s` (#25554) …
Added Finset.card_sdiff_eq_card_sdiff_iffView on Github →