Consider the following conditional syllogism:
Premise 1: If I study, then I'll get a good grade.
Premise 2: I got a good grade.
Conclusion: Therefore, I studied.
This syllogism is
A) valid.
B) skewed.
C) invalid.
D) robust.

Question

Quizplus · Accepted Answer

This syllogism is invalid because it commits the logical fallacy of affirming the consequent. Just because the outcome (getting a good grade) occurred, it does not necessarily mean the condition (studying) that was assumed to lead to that outcome did occur. There could be other reasons for getting a good grade.

Consider the Following Conditional Syllogism