ABSTRACT: Modus Ponens (MP) and Modus Tollens (MT) are taught as basic rules of inference related to conditional statements in introductory logic courses. In ordinary reasoning, MP and MT can have ...
I'm in a beginning logic class and so far we have learned four rules: Assumption, Modus Pollens, Double Negation and Modus Tollens. I understand everything but Modus Tollens. The other downside is ...