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प्रश्न
Verify whether the following compound propositions are tautologies or contradictions or contingency.
((p v q) ∧¬p) → q
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उत्तर
| p | q | p v q | ¬p | (p v q) ∧¬p) | ((p v q) ∧¬p) → q |
| T | T | T | F | F | T |
| T | F | T | F | F | T |
| F | T | T | T | T | T |
| F | F | F | T | F | T |
The entries in the last column are only T.
∴ The given statement is a Tautology
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