Statement-1 : … is equivalent to …. Statement-2 : … is a tautology.

Option C. Therefore, S1 is true and S2 is false.

Mathematical Reasoning

JEE Main 2009 · Annual, Paper 1 · Q4309

MathematicsMedium115×since 2008Q4309

Statement-1 :

\sim \left( {p \leftrightarrow \sim q} \right)

is equivalent to

{p \leftrightarrow q}

. Statement-2 :

\sim \left( {p \leftrightarrow \sim q} \right)

is a tautology.

JEE Main 2009 · Annual, Paper 1 · Q4309

MathematicsMedium115×since 2008Q4309

Statement-1 :

\sim \left( {p \leftrightarrow \sim q} \right)

is equivalent to

{p \leftrightarrow q}

. Statement-2 :

\sim \left( {p \leftrightarrow \sim q} \right)

is a tautology.