Question:medium

The statement $[(p\rightarrow q)\wedge\sim q]\rightarrow r$ is tautology, when $r$ is equivalent to

Show Hint

Logic Tip:Modus Tollens rule states that $[(p\rightarrow q)\wedge\sim q] \rightarrow \sim p$ is a tautology. Similarly, it implies $\sim q$.Constructing a quick truth table is a foolproof alternative to algebraic simplification.
Updated On: Apr 23, 2026
  • $p\wedge\sim q$
  • $q\vee p$
  • $p\wedge q$
  • $\sim q$
Show Solution

The Correct Option is D

Solution and Explanation

Was this answer helpful?
0