A) \[\tilde{\ }r\Rightarrow \tilde{\ }p\vee q\]
B) \[\tilde{\ }p\wedge q\Rightarrow \tilde{\ }r\]
C) \[r\Rightarrow p\vee \tilde{\ }q\]
D) None of these
Correct Answer: B
Solution :
Inverse of\[p\Rightarrow q\]is\[\tilde{\ }p\Rightarrow \tilde{\ }q\] \[\therefore \]Inverse of\[(p\wedge \tilde{\ }q)\Rightarrow r\]is \[\tilde{\ }(p\wedge \tilde{\ }q)\Rightarrow \tilde{\ }r\] i.e., \[(\tilde{\ }p\vee \tilde{\ }q)\Rightarrow \tilde{\ }r\]
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