Maharashtra BoardEnglish MediumSTD 12 ScienceMathsMathematical Logic2 Marks
MCQ
The Boolean expression sim$\sim(p \vee q) \vee(\sim p \wedge q)$ is equivalent to
A
p
B
q
C
$\sim \mathrm{q}$
✓
$\sim \mathrm{p}$
✓
Answer
Correct option: D.
$\sim \mathrm{p}$
(D) $\sim(p \vee q) \vee(\sim p \wedge q)$ $\equiv(\sim p \wedge \sim q) \vee(\sim p \wedge q) \ldots[$ De Morgan's law] $\equiv \sim p \wedge(\sim q \vee q) \quad \ldots[$ Distributive law $]$ $\equiv \sim p \wedge T \quad \ldots[$ Complement law $]$ $\equiv \sim p \quad \ldots$ [Identity law]
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