question_answer

Consider the following statements

P: Suman is brilliant

Q: Suman is rich

R: Suman is honest

The negation of the statement 'Suman is brilliant and dishonest if and only if Suman is rich9 can be expressed as

A)  \[\sim \left( Q\leftrightarrow (\operatorname{P}\wedge \sim R) \right)\]          

B)  \[\sim Q\leftrightarrow \sim \operatorname{P}\wedge R\]

C)  \[\sim (P\wedge \sim R)\leftrightarrow Q\]              

D)  \[\sim P\wedge (Q\leftrightarrow \sim R)\]