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JEE Math Practice Question

The statement $$ \sim \left( {p \leftrightarrow \sim q} \right)$$ is :

  1. A.equivalent to $${ \sim p \leftrightarrow q}$$
  2. B.a tautology
  3. C.a fallacy
  4. D.equivalent to $${p \leftrightarrow q}$$

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