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Which of the following is true?...

Which of the following is true?

A

`p ^^ ~p -= T`

B

`p vv ~p -= F`

C

`p to q -= q to p`

D

`p to q -= (~p)`

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-MATHEMATICAL LOGIC -CRITICAL THINKING
  1. p ^^ ( p to q) is logically equivalent to

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  2. Which of the following is logically equivalent to ~[p to (p vv ~ q)] ...

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  3. Which of the following is true?

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  4. ~ ( ~p) harr p is

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  5. (~ p ^^ ~ q) ^^ ( q ^^ r) is a

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  6. Which of the following is a tautology?

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  7. Which of the following statement is contradiction?

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  8. Which of the following statement is a contingency?

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  9. If A -= {4, 5, 7, 9), determine which of the following quantified stat...

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  10. Using quantifier the open sentence x^2 gt 0 ' defined on N is converte...

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  11. Which of the following quantified statement is false?

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  12. Given below are four statements along with their respective duals. Whi...

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  13. The dual of (p ^^ t) vv ( c ^^ ~ q) where t is a tautology and c is ...

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  14. Negation of the proposition (p vv q) ^^(~q^^r) is

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  15. The negation of p vv ~ q is

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  16. Which of the following is logically equivalent to ~[ p to ( p vv ~q)]...

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  17. The negation of the statement, EE x in R such that x^2 + 3 gt 0 , is

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  18. The negation of the statement "If Saral Mart does not reduce the price...

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  19. The switching circuit for the statement [p ^^ (q vv r) ] vv (~p vv s) ...

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  20. If the symbolic form is (p ^^ r) vv (~q ^^ ~r) vv (~q ^^ ~r), then sw...

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