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प्रश्न
State the truth value of (p ˅ ∼p)
उत्तर
| p | ∼ p | p ∨ ∼p |
| T | F | T |
| F | T | T |
∴ Truth value of (p ∨ ∼p) is T.
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i) (p ˄ q) ˄ r = `(square` ˄ `square)` ˄ `square` = `square` ˄ `square` = `square` ii) ~ ( p ˄ r ) = `~(square` ˄ `square)` = `~ square` = `square` iii) p → q = `square → square` = `square` |
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