Q. If $p$ and $q$ are two statements, then $(p \Rightarrow q) \Leftrightarrow ( \sim q \Rightarrow \sim p)$ is a
A) Contradiction
B) Tautology
C) Neither (a) nor (b)
D) None of these
Explanation
The correct answer is Option B: Tautology.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.