An introduction to argument structure, including inductive and deductive arguments, the rules of inference and replacement, fallacies of reasoning, validity and soundness, syllogisms the use of language, diverse frames of reference analysis, decision-making and problem-solving and evaluating arguments. GS-II, VB3, VIIA (Satisfies three QL units.) Note: Effective Fall 2014 students can get GS credit for only one, PHI 5 or PHI 10–not both.