74. 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 expressed as
(1) ~P
∧ (Q ↔ ~ R) (2) ~ (Q ↔ (P ∧ ~ R))
(3) ~ Q
↔ ~ P ∧ R (4) ~ (P ∧ ~ R) ↔ Q
74. 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 expressed as
(1) ~P
∧ (Q ↔ ~ R) (2) ~ (Q ↔ (P ∧ ~ R))(3) ~ Q
↔ ~ P ∧ R (4) ~ (P ∧ ~ R) ↔ Q