The logically equivalent proposition of $$p \Leftrightarrow q$$ is

A

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

B

$$p \wedge q$$

C

$$(p \wedge q) \vee (q \neq p)$$

D

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