If each question, there is a main statement followed by four statements a,b,c and d From the c olces, choose the ordered pair in which the first statement Implies the second statement are the two are logically sonsisent with the main statement.
Either he is naive or he is sophisticated.
(a) He is naive
(b) He is sophisticated
(c ) He is not naive
(d) He is not sophisticated

Options

A. bc
B. da
C. cd
D. Both (B) and (C )

Answer

D

Explanation

Either `("he is nalve")/("p")` or `("he is soofisticated")/("q")`
The implications of p then q are `-qrArrp,-prArrq`.
`:.` Both B and C are implications