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प्रश्न
Which one of the following statements is not a tautology?
विकल्प
~ (p ∨ q) → ~ p
(p ∧ ~ q) → (~ p ∨ ~ q)
~ p → ~ (p ∧ q)
(~ p ∧ q) → (~ p ∧ ~ q)
MCQ
उत्तर
(~ p ∧ q) → (~ p ∧ ~ q)
Explanation:
| p | q | ~ p | ~ q | ~ p ∧ q | ~ p ∧ ~ q | (~ p ∧ q) → (~ p ∧ ~ q) |
| T | T | F | F | F | F | T |
| T | F | F | T | F | F | T |
| F | T | T | F | T | F | F |
| F | F | T | T | F | T | T |
shaalaa.com
Tautology, Contradiction, and Contingency
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
