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If the implication p -> (q OR r) is false, then the truth values of p, q, r respectively are:

1. T, F, F
2. F, F, F
3. F, T, T
4. T, T, F

Correct answer: T, F, F

Solution

p -> (q OR r) is false requires p true and (q OR r) false, so p=T, q=F, r=F.

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