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If p and q are two stastements, then sta...

If p and q are two stastements, then stastement `p rArr p ^^ ~ q` is a

A

tautology

B

contradiction

C

Neither tautology nor contradiction

D

None of the above

Text Solution

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The correct Answer is:
C

Hence, it is neither tautology nor contradiction.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MATHEMATICAL LOGIC -MHT CET CORNER
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  3. Which of the following quantified statement is true?

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  4. Symbolic form of the given switching circuit is equivalent to

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  5. The statement (p -> ~p) ^^ (~p -> p) is

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

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  7. If x and y have different truth values, then x ^^ (x vv y) is equivale...

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  8. For the circuit shown below, the Boolean polynomial is

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  9. Dual of (x vv y) ^^ (x' vv 1) is

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  10. If p,q,r are single proposition with truth values T, F, F, then the tr...

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  11. The output of the following circuit is

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  12. The proposition (~p)vv(p^~q) is equivalent to

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  13. ~(~p to q) is equivalent to

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  14. Simplify the following circuit and it is equivalent to.

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  15. Simplify (p vv q) ^^ (p vv ~q).

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  16. Negation of the conditional ''If it rains, I shall go to school'' is

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  17. The dual of the statement [p vv(~q)]^^(~p) is

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  18. Which of the following statement has the truth value F ?

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  19. The negation of the statement ''He is rich and happy'' is given by

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  20. ~(p harr q) is a

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