The Power of Logic
Information Center
What's New
Feature Summary
Table of Contents
Book Preface
Sample Chapters
About the Authors

Student Edition
Instructor Edition
The Power of Logic, 5/e

Frances Howard-Snyder, Western Washington University
Daniel Howard-Snyder, Western Washington University
Ryan Wasserman, Western Washington University

ISBN: 0078038197
Copyright year: 2013

What's New

  • There are dozens of new definition boxes, which emphasize key concepts and important distinctions.
  • There are over a dozen new summary boxes, including summaries of the abbreviated truth-table method and the finite universe method. These boxes contain simple, clear descriptions for quick reference and study .
  • Chapter 2, Identifying Arguments, provides a clearer explanation of how to reconstruct an argument.
  • Chapter 3, Logic and Language, expands the discussion of propositions, sentences, and truth.
  • Chapter 4, Informal Fallacies, now emphasizes how sound or cogent arguments can resemble fallacies and explains how to avoid identifying them as fallacies. It also includes a new discussion of some purported fallacies such as the “Intentional fallacy” and the “is-ought fallacy” that are sometimes invoked to avoid a more substantive discussion.
  • Chapter 9, Predicate Logic, contains a revised definition of a WFF for the language of predicate logic. Section 9.3 includes five new sets of exercises, which allows students to master the quantifier rules one at a time.
  • Chapter 10, Induction, has been reorganized and refocused. It includes a new discussion of arguments from authority, and a greater emphasis on the connection between probability and inductive logic.

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