If $p$, $q$, $r$ are simple propositions with truth values $T$, $F$, $T$ respectively, then which of the following is not a true statement?

  • A
    $[q \land (p \to q)] \to p$
  • B
    $(p \land q) \to (q \lor \sim p)$
  • C
    $[(\sim p \lor q) \land \sim r] \leftrightarrow p$
  • D
    $(p \land q) \lor (\sim q \lor r)$

Explore More

Similar Questions

For each of the following statements,determine whether an inclusive "Or" or exclusive "Or" is used. Give reasons for your answer.
To enter a country,you need a passport or a voter registration card.

Which of the following statement patterns is a tautology?

The statement pattern $(p \lor q) \to \sim r$ is logically equivalent to

The dual of the statement pattern $(p \land \sim q) \to (q \land \sim p)$ is equivalent to

The logically equivalent statement of $(\sim p \wedge q) \vee (\sim p \wedge \sim q) \vee (p \wedge \sim q)$ is

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo