If a person has five letters in his/her name,then s/he is a Glirple.Fred now reasons that anyone who is a Glirple must have five letters in his/her name.Fred has ______.
A)made a correct inference according to modus ponens
B)made a correct inference according to modus tollens
C)committed the fallacy of denying the antecedent
D)committed the fallacy of affirming the consequent

Question

Quizplus · Accepted Answer

Fred has committed the fallacy of affirming the consequent, which occurs when someone incorrectly assumes that having a specific outcome (in this case, being a Glirple) means a specific condition must have been met (having five letters in one's name), even though the original statement only asserts the condition as sufficient, not necessary.

If a Person Has Five Letters in His/her Name,then S/he