Theorem Set.ncard_diff'

Modification history

2026-06-09 08:51
Mathlib/Data/Set/Card.lean
chore: rename `diff` to `sdiff` (#40184) …
Deleted Set.ncard_diff'View on Github →
2026-05-29 16:06
Mathlib/Data/Set/Card.lean
feat: another version of the cardinality of the difference (#37541) …
Added Set.ncard_diff'View on Github →