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Informal Logic


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Table of Contents

1. Argument as reasoned dialogue; 2. Questions and answers in dialogue; 3. Criticism of irrelevance; 4. Appeals to emotion; 5. Valid arguments; 6. Personal attack in argumentation; 7. Appeals to authority; 8. Inductive errors, bias, and fallacies; 9. Natural language argumentation.

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Second edition of the introductory guidebook to the basic principles of constructing sound arguments and criticising bad ones.

About the Author

Douglas Walton is professor of philosophy at the University of Winnipeg. The recipient of numerous fellowships, awards and honors, he is the author of over thirty books, most recently Fundamentals of Critical Argumentation, Media Argumentation, and Witness Testimony Evidence.


"Walton here updates his fine book on informal logic/critical thinking...Probably the best work on critical thinking to date, this volume would be an excellent text for courses on informal logic...Summing up: Essential. " - R. Puligandla, University of Toledo, Choice

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