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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
If $P,Q,R$ have truth values $T,T,F$, then the truth values of
$\Big(P\to(Q\to R)\Big)\to\Big((P\to Q)\to(P\to R)\Big)$ and $P\to(Q\vee R)$ are:
Solution
$Q\to R = T\to F = F$, so $P\to(Q\to R)=T\to F=F$. $P\to Q = T\to T = T$, $P\to R = T\to F = F$, hence $(P\to Q)\to(P\to R)=T\to F=F$. Therefore $(F)\to(F)=T$. Also $Q\vee R = T\vee F = T$, so $P\to(Q\vee R)=T\to T=T$.Online Test Series, Information About Examination,
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