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प्रश्न
Determine whether the following statement pattern is a tautology, contradiction, or contingency.
[(~p ∧ q) ∧ (q ∧ r)] ∨ (~q)
बेरीज
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उत्तर
| p | q | r | ~p | ~q | ~p∧q | q∧r | (~p∧q)∧(q∧r) | [(~p∧q)∧(q∧r)]∨(~q) |
| T | T | T | F | F | F | T | F | F |
| T | T | F | F | F | F | F | F | F |
| T | F | T | F | T | F | F | F | T |
| T | F | F | F | T | F | F | F | T |
| F | T | T | T | F | T | T | T | T |
| F | T | F | T | F | T | F | F | F |
| F | F | T | T | T | F | F | F | T |
| F | F | F | T | T | F | F | F | T |
Truth values in the last column are not identical. Hence, it is contingency.
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Notes
The answer in the textbook is incorrect.
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
