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2. State the truth value of “If tigers have wings then the earth travels . round the sun”. Sol. Let P: Tigers have wings have truth value F. Q: The earth travels round the sun have truth value T. Therefore, PQ has the truth value T. 3. Construct truth table for (PQ) (PQ). Sol. P Q PQ PQ (PQ) (PQ) T T T T T T F F F T F T T F F F F T F F 4. ................
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