Christopher Ford

Deductive -> if premises are accepted as true, the conclusion also must be true Inductive -> arguments based on experience-based knowledge (empiri- cism); even if premises are true, the conclusion may not necessarily be true Validity deals with structure and form. In a valid deductive argument, the truth of the premises guarantees the truth of the conclusion MODUS PONENS -> AFFIRMING THE ANTECEDENT If P, then Q P Ergo, Q MODUS TOLLENS -> DENYING THE C