CAS PH 160 Study Guide - Final Guide: Syllogism, Deductive Reasoning, Inductive Reasoning

• School: Boston University
• Department: Philosophy
• Course: CAS PH 160
• Professor: Cameron Anderson

Document Summary

An argument is valid if the negation of the conclusion contradicts the conjunction of the premises. an argument in which the conclusion must be true if the premises are true. The negation of the conclusion is incompatible with the set of premises. What is a sound argument? valid, and the premises are true. There is only one situation when an argument is invalid: when the premises are true and the conclusion is false. P then q not p not q invalid disjunctive syllogism. Explain the truth table for the conditional arrow . A conditional is false only when the antecedent is true and the consequent is false. In all other possible combinations of truth values, a conditional is true. It doesn"t assert that the antecedent is actually true of that the consequent is actually true. Explain the difference between inclusive and exclusive or.