Theorems · Theorem · order theory
Finset.sdiff_subset_sdiff_iff_subset
∀ {α : Type u_1} [inst : DecidableEq α] {s t r : Finset α}, s ⊆ r → t ⊆ r → (r \ s ⊆ r \ t ↔ t ⊆ s)- Defined in
- Mathlib.Data.Finset.SDiff
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 62 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
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- Finsetstatement and proof · cited by 13,712
- sdiff_le_sdiff_iff_leproof · cited by 2
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