Which of the following is always true [Karnataka CET 1998]

1.	Which of the following is always true [Karnataka CET 1998]
A.	\[(p\Rightarrow q)\equiv \ \tilde{\ }q\Rightarrow \ \tilde{\ }p\]
B.	\[\tilde{\ }(p\vee q)\equiv \vee \ p\ \vee \tilde{\ }q\]
C.	\[\tilde{\ }(p\Rightarrow q)\equiv p\ \wedge \tilde{\ }q\]
D.	\[\tilde{\ }(p\vee q)\equiv \ \tilde{\ }p\ \ \wedge \tilde{\ }q\]
Answer» D. \[\tilde{\ }(p\vee q)\equiv \ \tilde{\ }p\ \ \wedge \tilde{\ }q\]

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Which of the following is always true [Karnataka CET 1998]

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