Which of the following is not correct for relation $R$ on the set of real numbers?

  • A
    $(x, y) \in R \Leftrightarrow 0 < |x| - |y| \leq 1$ is neither transitive nor symmetric.
  • B
    $(x, y) \in R \Leftrightarrow 0 < |x - y| \leq 1$ is symmetric and transitive.
  • C
    $(x, y) \in R \Leftrightarrow |x| - |y| \leq 1$ is reflexive but not symmetric.
  • D
    $(x, y) \in R \Leftrightarrow |x - y| \leq 1$ is reflexive and symmetric.

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