Theorem Set.disjoint_of_subset_iff_left_eq_empty

Modification history

2025-07-04 10:05
Mathlib/Data/Set/Disjoint.lean
chore(Data/Set/Disjoint): move `BooleanAlgebra` material to `Order` (#26724) …
Modified Set.disjoint_of_subset_iff_left_eq_emptyView on Github →
2025-03-04 11:47
Mathlib/Data/Set/Basic.lean
chore: split long file Mathlib.Data.Set.Basic (#22484)
Modified Set.disjoint_of_subset_iff_left_eq_emptyView on Github →
2024-11-06 17:23
Mathlib/Data/Set/Basic.lean
feat: several results on permutations, cycles, etc (#17046) …
Added Set.disjoint_of_subset_iff_left_eq_emptyView on Github →