Theorem List.count_singleton'

Modification history

2023-08-23 00:18
Mathlib/Data/List/Count.lean
chore: bump Std (#6721) …
Deleted List.count_singleton'View on Github →
2023-01-10 11:52
Mathlib/Data/List/Count.lean
feat: port Data.List.Count (#1410) …
Added List.count_singleton'View on Github →