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प्रश्न
Choose the correct alternative:
The dual of ¬(p v q) v [p v(p ∧ ¬r)] is
विकल्प
¬(p ∧ q) ∧ [p v(p ∧ ¬r)]
(p ∧ q) ∧ [p v(p v ¬r)]
¬(p ∧ q) ∧ [p ∧ (p ∧ r)]
¬(p ∧ q) ∧ [p ∧ (p v ¬r)]
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उत्तर
¬(p ∧ q) ∧ [p ∧ (p v ¬r)]
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The truth table for (p ∧ q) v ¬q is given below
| p | q | (p ∧ q) v ¬q |
| T | T | (a) |
| T | F | (b) |
| F | T | (c) |
| F | F | (d) |
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In the last column of the truth table for ¬(p v ¬q) the number of final outcomes of the truth value ‘F’ is
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Which one of the following is incorrect? For any two propositions p and q, we have
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| p | q | (p ∧ q) → ¬p |
| T | T | (a) |
| T | F | (b) |
| F | T | (c) |
| F | F | (d) |
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Which one of the following is not true?
