Consider the statements:
p: Stephen is intelligent
q: Stephen is good at Mathematics
If p⇒q, which of the following is a valid conclusion?
A
If Stephen is good at Mathematics, then he is intelligent
B
If Stephen is not good at Mathematics, then he is not intelligent
C
If Stephen is not intelligent, then he is not good at Mathematics
D
If Stephen is not good at Mathematics, then he is intelligent
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
If p implies (→) q
then not (~) q → not (~) p
Option B
Source: WAEC / JAMB / NECO Classroom Archive (Record #64807)