Mathematics

12th

grade

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mathematical logic

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25 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    If  p q p\wedge\ q\   is false and  pqp\vee q  is true , then which of the following is not True.

     pqp\vee q  

     pqp\leftrightarrow q  

     pq\sim p\vee\sim q  

     qpq\vee\sim p  

  • 2. Multiple Choice
    30 seconds
    1 pt

    The negation of inverse of pq \sim p\rightarrow q\   is 

     qpq\wedge p  

     pq\sim p\wedge\sim q  

     pqp\wedge q  

     qp\sim q\rightarrow\sim p  

  • 3. Multiple Choice
    30 seconds
    1 pt

    The negation of p(qr)p\wedge\left(q\rightarrow r\right) is 

     p(qr)\sim p\wedge\left(\sim q\rightarrow\sim r\right)  

     p(qr)p\vee\left(\sim q\vee r\right)  

     p(qr)\sim p\wedge\left(\sim q\rightarrow\sim r\right)  

     p(qr)\sim p\vee\left(\sim q\wedge\sim r\right)  

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