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Which of the following is a contradictio...

Which of the following is a contradiction

A

(p`^^`q)`^^`~(p`vv`q)

B

p`vv`(~p`^^`q)

C

(p`rArr`q)`rArr`p

D

None of these

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The correct Answer is:
A
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DISHA PUBLICATION-MATHEMATICAL REASONING-Exercise-1 : Concept Builder
  1. Which of the following is equivalent to (p ^^q): (a) p -> ~q (b) ~(~p ...

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  2. The dual of statement [pvvq)^^~q]vv~q is

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  3. Which of the following is a contradiction

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  4. If p and q are two statement then (p <-> ~ q) is true when : (a) p and...

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  5. Which of the following is true?

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  6. The compound statement p to ( ~ p vv q) is false, then the truth va...

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  7. Which of the following is not logically equivalent to the proposition?...

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  8. The conditional statement (p^^q) to p is

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  9. If p,q and r are simple propositions such that (p^^q)^^(q^^r) is true,...

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  10. ~(prarrq)rarr[(~p)vv(~q)] is

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  11. Consider the following statement. "If a triangle is equiangular, then...

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  12. Negation of the proposition : If we control population growth, we pros...

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  13. Consider the following statements : p: He is intelligent q: He is ...

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  14. The inverse of the statement (p ^^ ~ q) -> r is

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  15. The contrapositive of the statement, 'If I do not Secure good marks th...

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  16. Which of the following is the converse of the statement? "if Billu sec...

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  17. If p, q and r are any three logical statements, then which one of the ...

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  18. Negation of the statement (p ^^ r) -> (r vv q) is-

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  19. Write the negation of the compound propostion . "If the examination is...

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  20. Consider the following statements P: Suman is brilliant Q: Suman i...

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