Theorem Set.diff_subset_diff_iff_subset

Modification history

2025-07-03 15:35
Mathlib/Data/Set/Basic.lean
chore: move `BooleanAlgebra` material on `Set` out of `Data` (#26665) …
Modified Set.diff_subset_diff_iff_subsetView on Github →
2024-10-17 19:56
Mathlib/Data/Set/Basic.lean
feat(Order/BooleanAlgebra, Data/Set/Basic): diff_le_diff_iff (#17876) …
Added Set.diff_subset_diff_iff_subsetView on Github →