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BCECE Engineering BCECE Engineering Solved Paper-2001

  • question_answer
    If p and q are two statements, then statement \[p\Rightarrow q\wedge \tilde{\ }q\]is:

    A)  tautology

    B)  contradiction

    C)  neither tautology nor contradiction

    D)  none of the above

    Correct Answer: C

    Solution :

    By truth table:
    p q \[\tilde{\ }q\] \[q\wedge \tilde{\ }q\] \[p\Rightarrow q\Rightarrow q\wedge \tilde{\ }q\]
    T T F F F
    T F T F F
    F T F F T
    F F T F T
    Hence, \[p\Rightarrow \wedge \tilde{\ }q\]is neither tautology nor contradiction.


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