If the nuts are stale, then they should not be put into the salad. Thus, the nuts are stale, since they should not be put into the salad.
A) Modus ponens.
B) Denying the antecedent.
C) Invalid.
D) Affirming the consequent.
E) Disjunctive syllogism.

Question

Quizplus · Accepted Answer

This is an example of affirming the consequent, a logical fallacy. The argument incorrectly assumes that because the consequence (should not be put into the salad) is true, the antecedent (the nuts are stale) must also be true.

If the Nuts Are Stale, Then They Should Not Be