A) \[\tilde{\ }[p\wedge (\tilde{\ }q)]\equiv (\tilde{\ }p)\wedge q\]
B) \[\tilde{\ }[(p\vee q)\wedge (\tilde{\ }r)\equiv (\tilde{\ }p)\vee (\tilde{\ }q)\vee (\tilde{\ }r)\]
C) \[\tilde{\ }[p\vee (\tilde{\ }q)]\equiv (\tilde{\ }p)\wedge q\]
D) \[\tilde{\ }[p\vee (\tilde{\ }q)]\equiv (\tilde{\ }p)\wedge \tilde{\ }q\]
Correct Answer: C
Solution :
[c] Statement given in option [c] is correct. \[\tilde{\ }[p\vee (\tilde{\ }q)]=(\tilde{\ }p)\wedge \tilde{\ }(\tilde{\ }q)=(\tilde{\ }p)\wedge q\]
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