A) True
B) False
C) True if r is false
D) True if q is true
Correct Answer: A
Solution :
\[\tilde{\ }p\vee q\] means F\[\vee \]F = F, ~r means F\[(\tilde{\ }p\vee q)\wedge \tilde{\ }r\] means F \[\because \]\[[(\tilde{\ }p\vee q)\ \wedge \tilde{\ }r]\Rightarrow p\] means T [\[\because \] in \[p\Rightarrow q\] we have FTT]
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