The logically equivalent of $p \Leftrightarrow q$ is :-

  • A

    $(p \wedge q) \vee (p \wedge q)$

  • B

    $(p \Rightarrow q) \wedge (q \Rightarrow p)$

  • C

    $(p \wedge q) \vee (q \Rightarrow p)$

  • D

    $(p  \wedge q) \Rightarrow (q \vee p)$

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