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प्रश्न
Using truth table, examine whether the following statement pattern is tautology, contradiction or contingency: p ∨ [∼(p ∧ q)]
योग
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उत्तर
Truth Table
| (1) | (2) | (3) | (4) | (5) |
| p | q | p ∧ q | ∼(p ∧ q) | p ∨ [∼(p ∧ q)] |
| T | T | T | F | T |
| T | F | F | T | T |
| F | T | F | T | T |
| F | F | F | T | T |
All entries in coloumn (5) are T's
p ∨ [∼(p ∧ q)] is Tautology.
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