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Theorems · Theorem · order theory

Set.sdiff_ssubset_left_iff

∀ {α : Type u_1} {s t : Set α}, s \ t ⊂ s ↔ (s ∩ t).Nonempty
Defined in
Mathlib.Order.BooleanAlgebra.Set
Cited by
2 results in Mathlib
Foundations
Depth 57 from the axioms · uses propext, Classical.choice, Quot.sound
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Around this declaration

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Matroid.IsCircuit.contract_sdiff_isCircuit · cited by 2IsCircuit.contract_sdiff_…Set.diff_ssubset_left_iff · cited by 0Set.diff_ssubset_left_iffSet · cited by 53352SetSet.Nonempty · cited by 2627Set.NonemptySet.inter_comm · cited by 291Set.inter_commSet.not_disjoint_iff_nonempty_inter · cited by 29Set.not_disjoint_iff_none…sdiff_lt_left · cited by 1sdiff_lt_leftSet.sdiff_ssubset_left_iffCITED BYCITES

Cites5

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Cited by2

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