Introductory Logic - Textbook

Expanded, Corrected, Completely Redesigned New Edition!

Logic is the art of reasoning well—of learning to think God's thoughts after Him. In this book, directed toward junior-high students, Douglas Wilson and James Nance lay the proper foundation of reasoning in the truth of God, and go on to train students in the crucial skills of defining terms, recognizing basic types of statements, arguing with syllogisms, arguing in ordinary language, and identifying informal fallacies.

Designed for 8th-grade and up, the lessons in this text cover definitions, logical statements, fallacies, syllogisms, and many other elements. This course is a thorough introduction and serves as both a self-contained course and a preparatory course for more advanced studies.

Together with Intermediate Logic, this text provides students with a rigorous course in logic that will help them excel in every other subject they will study, from math and science to rhetoric and the humanities. Extensively revised and updated, with additional review questions and exercises for each unit, this book is an essential part of every Christian school or home school curriculum.

Changes in Introductory Logic 4th Edition

This curriculum has been changed in a number of critical areas:

• First, in order to present to the student a more logical progression of topics, the section on defining terms has been moved from Intermediate Logic to Introductory Logic, where it is taught along with other branches of informal logic and categorical logic.
• Second, review questions and review exercises have been added to each unit for every lesson in the text, effectively doubling the number of exercises for students to verify their knowledge and develop their understanding of the material. Additionally, some especially challenging problems have been included in the review exercises.
• Third, the definitions of important terms, key points made, and caution signs regarding common errors are now set apart in the margins of the text. This should help students to distinguish the most important topics, as well as aid in their review of the material.
• Fourth, every lesson has been reviewed in great detail with the goal of improving the clarity of the explanations and correcting several minor errors that were found in the original edition.
• Fifth, the book is now in a handsome perfect-binding, with all exercise pages perforated for easy removal.