Question
Using truth table examine whether the following statement pattern is tautology, contradiction or contingency.
$(p \wedge \sim q) \leftrightarrow(p \rightarrow q)$

Answer

pq$\sim q$$p \wedge \sim q$$p \rightarrow q$$(p \wedge \sim q) \leftrightarrow(p \rightarrow q)$
TTFFTF
TFTTFF
FTFFTF
FFTFTF

All the entries in the last column of the above truth table are F.
$(p \wedge \sim q) \leftrightarrow(p \rightarrow q)$ is is a contradiction

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free