• # question_answer The proposition $p\Rightarrow \tilde{\ }(p\to \wedge \tilde{\ }q)$ is A)  contradiction          B)  tautology C)  equivalent to $\tilde{\ }(p\Rightarrow q)$ D)  None of these

 P q $\tilde{\ }q$ $p\wedge \tilde{\ }q$ $\tilde{\ }(p\wedge \tilde{\ }q)$ $p\to \tilde{\ }(p\wedge \tilde{\ }q)$ T F T T F F F T F F T T $\Rightarrow$ T T F F T T F F T F T T