Theorem Multiset.count_filter

Modification history

2023-01-18 18:14

Mathlib/Data/Multiset/Basic.lean

chore: revert Multiset and Finset API to use Prop instead of Bool (#1652)

Modified Multiset.count_filter View on Github →

2023-01-13 09:59

Mathlib/Data/Multiset/Basic.lean

feat: port Data.Multiset.Basic (#1491)

Added Multiset.count_filter View on Github →