The logically equivalent proposition of $p \Leftrightarrow q$ is
- A$(p$ $\Rightarrow q) \wedge (q$ $\Rightarrow p)$
- B$p \wedge q$
- C$(p \wedge q) \vee (q \Rightarrow p)$
- D$(p \wedge q) \Rightarrow (q \vee p)$
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