Yesterday, Dr. Ling announced to his biopsychology class, "If we are going to have a review session on Tuesday, everyone in the class will receive an e-mail message on Friday." Elspeth is enrolled in the class, and she did not receive a message on Friday. Based on these premises, she concludes that the class will not have a review session on Tuesday. She is using the kind of reasoning known as

Question

Quizplus · Accepted Answer

Elspeth's reasoning is based on denying the consequent of the conditional statement given by Dr. Ling. The consequent (everyone receiving an email on Friday) did not occur, so she concludes the antecedent (having a review session on Tuesday) will not occur either.