Let ${R_1}$ be a relation defined by ${R_1} = \{ (a, b) | a \ge b, a, b \in R \}$. Then ${R_1}$ is

  • A
    An equivalence relation on $R$
  • B
    Reflexive,transitive but not symmetric
  • C
    Symmetric,transitive but not reflexive
  • D
    Neither transitive nor reflexive but symmetric

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