1: Introduction to Law and Legal Systems Last updated Save as PDF Page ID19104 Contributed by No Attribution by requestAnonymous by request 1.1: Introduction1.2: What Is Law?1.3: Schools of Legal Thought1.4: Basic Concepts and Categories of US Positive Law1.5: Sources of Law and Their Priority1.6: Legal and Political Systems of the World1.7: A Sample Case1.8: Summary and Exercises