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please solve the following 3 questions showing the steps clearly, thumbs up will be given, note:...

please solve the following 3 questions showing the steps clearly, thumbs up will be given, note: subject Set theory and Logic

  1. Use a truth table to determine whether the following is a tautology, a contradiction, or neither. ~P∧(P⟹Q)⟹ ~Q

  

  1. Suppose the statement Q⟹(P∧Q⟹R) is false. Without using a truth table, determine the truth values of P, Q, and R. Give your reasons.
  1. Write the negation of the following statement.

“Emirates airlines is expensive is necessary it is good and it goes everywhere”

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Answer #1

Tytus认.talole , ~p ק 、PAF-9) Q P Q m@ UTOLUAY F FT PAS- R F T F F F F TF ㄒ

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