Question:

The negation of the compound proposition $p \vee (\neg p \vee q)$ is

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Always simplify compound propositions first. $p \vee \neg p \equiv \mathbf{T}$ (tautology) and $\neg \mathbf{T} \equiv \mathbf{F}$ (contradiction).
Updated On: Apr 8, 2026
  • $(p \wedge \neg q) \wedge \neg p$
  • $(p \wedge \neg q) \vee \neg p$
  • $(p \wedge \neg q) \vee \neg p$
  • None of the above
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The Correct Option is D

Solution and Explanation

Step 1: Understanding the Concept:
Simplify the proposition using logical equivalences before negating.
Step 2: Detailed Explanation:
$p \vee (\neg p \vee q) \equiv (p \vee \neg p) \vee q \equiv \mathbf{T} \vee q \equiv \mathbf{T}$.
The negation of a tautology is a contradiction $\mathbf{F}$, which is not listed among the options.
Step 3: Final Answer:
The negation is $\mathbf{F}$ (always false), so the answer is (D) None of the above.
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