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 rich” can be equivalently expressed as :
As we learnt in
Negation of Biconditional Statement -
Negation of is disjunction of negation of implication and the negation of implication
-
Given statement is
which is same as
Since it is a biconditional statement
Hence negation is
Option 1)
This option is incorrect.
Option 2)
This option is incorrect.
Option 3)
This option is incorrect.
Option 4)
This option is correct.
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