Theorem Finset.card_memberSubfamily_add_card_nonMemberSubfamily

Modification history

2023-01-17 11:42
Mathlib/Combinatorics/SetFamily/Compression/Down.lean
feat: port Combinatorics.SetFamily.Compression.Down (#1604) …
Added Finset.card_memberSubfamily_add_card_nonMemberSubfamilyView on Github →