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If $ t$ and $ c$ denote a tautology and a contradiction respectively, then for any statement $p, p \wedge t$ is equal to

$\begin {array} {1 1} (A)\;c & \quad (B)\;t \\ (C)\;p & \quad (D)\;None\: of \: these \end {array}$

 

Can you answer this question?
 
 

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Ans : (C)
p t c $p \wedge t$
T T F T
F T F F

Therefore, $p \wedge t=p$

 

answered Jan 20, 2014 by thanvigandhi_1
 

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