Theorem Set.diff_singleton_ssubset

Modification history

2025-07-05 02:43
Mathlib/Data/Set/Insert.lean
chore(Data/Set/Image): move `BooleanAlgebra` material to `Order` (#26763) …
Modified Set.diff_singleton_ssubsetView on Github →
2025-03-21 02:30
Mathlib/Data/Set/Insert.lean
feat(Set): lemmas about set difference (#22253) …
Added Set.diff_singleton_ssubsetView on Github →