Question

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

• A. $(p \land q) \vee (p \land q)$
• B. $(p \Rightarrow q) \land (q \Rightarrow p)$
• C. $(p \land q) \vee (q \Rightarrow p)$
• D. $(p \land q) \Rightarrow (q \vee p)$

Answer 1

Answer: (B)

$(p \Rightarrow q) \land (q \Rightarrow p)$

Answer 2

$(p \Rightarrow q) \land (q \Rightarrow p)$ means $p \Leftrightarrow q$.