Consider the statements:
p: Stephen is intelligent
q: Stephen is good at Mathematics
If p⇒q, which of the following is a valid conclusion?
- If Stephen is good at Mathematics, then he is intelligent
-
If Stephen is not good at Mathematics, then he is not intelligent
- If Stephen is not intelligent, then he is not good at Mathematics
- If Stephen is not good at Mathematics, then he is intelligent
The correct answer is: B
Explanation
If p implies (→) q
then not (~) q → not (~) p
Option B