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IMPORTANT
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The statement (p(pq)(qr))r is

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Important Questions on Mathematical Reasoning

EASY
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The Boolean expression (pq)rqp is equivalent to:

EASY
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Let *,{,} be such that the Boolean expression (p*~q)(pq) is a tautology. Then :
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Which of the following is equivalent to the Boolean expression p~q ?
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The Boolean expression p~qq~p is equivalent to:
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Consider the following three statements:

A If 3+3=7 then 4+3=8

B If 5+3=8 then earth is flat.

C If both A and B are true then 5+6=17.

Then, which of the following statements is correct?

HARD
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Which of the following Boolean expressions is not a tautology?
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IMPORTANT
The Boolean expression (pq)(q~p) is equivalent to :