Theorems · Theorem · order theory
Set.diff_subset_diff
Deprecated since 2026-06-03Use Set.sdiff_subset_sdiff instead.
∀ {α : Type u_1} {s₁ s₂ t₁ t₂ : Set α}, s₁ ⊆ s₂ → t₂ ⊆ t₁ → s₁ \ t₁ ⊆ s₂ \ t₂Alias of Set.sdiff_subset_sdiff.
- Defined in
- Mathlib.Order.BooleanAlgebra.Set
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 58 from the axioms · uses propext, Classical.choice, Quot.sound
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- Setstatement · cited by 53,352
- Set.sdiff_subset_sdiffproof · cited by 11
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