Let S ⊆ N be the set that contains exactly all prime numbers greater than 4 and let R ⊆ S x S be the relation defined by the rule     (x,y) ∈ R ⇔ |x - y| ≤ 2. (a) Prove or find a counterexample for the following properties and based on the findings from the properties, conclude whether R is a graph, partially ordered set, equivalence relation, or a function (several answers may hold simultaneously). Analyze the relation R.: antisymmetry asymmetry symmetry irreflexivity reflexivity transitivity uniqueness

Advanced Engineering Mathematics
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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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4.Let S ⊆ N be the set that contains exactly all prime numbers greater than 4 and let R ⊆ S x S be the relation defined by the rule

    (x,y) ∈ R ⇔ |x - y| ≤ 2.

(a) Prove or find a counterexample for the following properties and based on the findings from the properties, conclude whether R is a graph, partially ordered set, equivalence relation, or a function (several answers may hold simultaneously). Analyze the relation R.:

  • antisymmetry
  • asymmetry
  • symmetry
  • irreflexivity
  • reflexivity
  • transitivity
  • uniqueness
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