Prove or disprove reflexivity, symmetry, antisymmetry and transitivity for: the relation R on the set {(a,...

  

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Prove or disprove reflexivity, symmetry, antisymmetry and transitivity for: the relation R on the set {(a, b) | a,b R} where (a, b)R(c,d) if and only if a cor b = d. Prove or disprove reflexivity, symmetry, antisymmetry and transitivity for: the relation R on the set {(a, b) | a,b R} where (a, b)R(c,d) if and only if a cor b = d.