Mathlib Changelog
v4
Changelog
About
Github
Theorem
Finset.card_le_card_of_forall_subsingleton'
Modification history
2023-01-20 14:41
Mathlib/Combinatorics/DoubleCounting.lean
feat port: Combinatorics.DoubleCounting (#1715)
Added
Finset.card_le_card_of_forall_subsingleton'
View on Github →