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प्रश्न
Fill in the blanks :
p ↔ q is false when p and q have ––––––––– truth values.
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उत्तर
p ↔ q is false when p and q have different truth values.
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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` |
