JEE Main 2014Session, Shift 1MathematicsHardMathematical Reasoning115× since 2008The statement ∼(p↔∼q)\sim \left( {p \leftrightarrow \sim q} \right)∼(p↔∼q) is :AOption A. equivalent to ∼p↔q{ \sim p \leftrightarrow q}∼p↔qBOption B. a tautologyCOption C. a fallacyDOption D. equivalent to p↔q{p \leftrightarrow q}p↔qCheckSkip · show solution
