1 of 2

Chapter 2. Weird Validity

Learning Objectives

In this chapter you will learn…

  • Three weird cases of validity
  • Why circular reasoning is bad
  • Logical truth and how it affects arguments
  • How to identify contradictions and contradictory sets
  • What augmentation is and how it affects validity
  • How to make sense of arguments with no premises
  • How to use the necessary-contingent distinction
  • Learning how to learn

Click below to begin.