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प्रश्न
By constructing the truth table, determine whether the following statement pattern ls a tautology , contradiction or . contingency. (p → q) ∧ (p ∧ ~ q ).
बेरीज
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उत्तर
| 1 | 2 | 3 | 4 | 5 | 6 |
| p | q | ~q | p → q | p ∧ ~q | (p → q ) ∧ (p ∧ ~q) |
| T | T | F | T | F | F |
| T | F | T | F | T | F |
| F | T | F | T | F | F |
| F | F | T | T | F | F |
The truth table contains only F in the last column. Hence the given statement is a contradiction.
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