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Use the laws of logic to determine the following expression as tautology or contradiction.

Mumbai University > Computer Engineering > Sem 3 > Discrete Structures

Marks: 6 Marks

Year: May 2014

1 Answer
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$$[p \ \ \hat \ \ \ (p -> q)] -> q$$

Consider Truth table for above expression:

p q p->q P^(p->q) [P^(p->q)]->q
T T T T T
T F F F T
F T T F T
F F T F T

Since in [p ^ (p -> q)] …

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