जॉइन Examsbookउत्तर : 4. "4"
Consider the following statements
P : Suman is brilliantQ : Suman is richR : Suman is honest
The negation of the statement "Suman is brilliant and dishonest if and only if Suman is rich" can be expressed as
1) P∧~R↔Q
2) ~P∧R↔Q
3) Q↔P∧~R
4) ~Q↔P∧~R5
प्र: Consider the following statements P : Suman is brilliantQ : Suman is richR : Suman is honest The negation of the statement "Suman is brilliant and dishonest if and only if Suman is rich" can be expressed as 1) P∧~R↔Q 2) ~P∧R↔Q 3) Q↔P∧~R 4) ~Q↔P∧~R
- 11false
- 22false
- 33false
- 44true
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उत्तर : 4. "4"
व्याख्या :
Answer: D) 4 Explanation: Suman is brilliant and dishonest is P ∧~ RSuman is brilliant and dishonest iff suman is rich isQ ↔ (P ∧ ~ R) Negative of statement is expressed as~ (Q ↔(P ∧ ~ R)).