Gujarati
Mathematical Reasoning
easy

निम्न में से कौनसा सदैव सत्य है

A

$(p \Rightarrow q) \equiv \;\sim q \Rightarrow \;\sim p$

B

$\sim (p \vee q) \equiv \vee \;p\; \vee \sim q$

C

$\sim (p \Rightarrow q) \equiv p\; \wedge \sim q$

D

$\sim (p \vee q) \equiv \;\sim p\;\; \wedge \sim q$

Solution

(c) $p \Rightarrow q \equiv \;\sim p \vee q$

$\sim (p \Rightarrow q) \equiv p\; \wedge \sim q$.

Standard 11
Mathematics

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