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Mathematical Reasoning
hard
$p \Leftrightarrow q$ =
A
$\left( {p \Rightarrow q} \right) \wedge \left( {q \Rightarrow p} \right)$
B
$p \wedge q$
C
$\left( {p \wedge q} \right) \vee \left( {q \Rightarrow p} \right)$
D
$\left( {p \wedge q} \right) \Rightarrow \left( {q \vee p} \right)$
(AIEEE-2012)
Solution
$\left( {p \Rightarrow q} \right) \wedge \left( {q \Rightarrow p} \right)$ means ${p \Leftrightarrow q}$
Standard 11
Mathematics
