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प्रश्न
Prove that the following statement pattern is a tautology.
(p ∧ q) → q
योग
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उत्तर
| p | q | p ∧ q | (p∧q)→q |
| T | T | T | T |
| T | F | F | T |
| F | T | F | T |
| F | F | F | T |
All the truth values in the last column are T. Hence, it is tautology.
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