Informal Logic - Douglas N. Walton

Informal Logic - Douglas N. Walton

Informal Logic: A Comprehensive Guide to Reasoning and Argumentation


In today's world, we are constantly bombarded with information from all sides. It can be difficult to know what to believe and how to make sound decisions. Informal logic provides us with the tools we need to think critically and evaluate arguments, whether they are presented in person, in writing, or in the media.

What is Informal Logic?

Informal logic is the study of reasoning and argumentation in everyday language. It is concerned with the ways in which we use language to make claims, support our beliefs, and persuade others. Informal logic is different from formal logic, which is concerned with the study of reasoning in a symbolic language.

Why is Informal Logic Important?

Informal logic is important because it helps us to:

  • Identify and evaluate arguments
  • Construct sound arguments
  • Communicate our ideas effectively
  • Make informed decisions
  • Avoid being misled by fallacious arguments

What Topics are Covered in Informal Logic?

Informal logic covers a wide range of topics, including:

  • The nature of arguments
  • The structure of arguments
  • The evaluation of arguments
  • Fallacies
  • The use of language in argumentation
  • The psychology of argumentation

Who Can Benefit from Studying Informal Logic?

Informal logic is beneficial for anyone who wants to improve their critical thinking skills. It is especially useful for students, professionals, and anyone who is interested in understanding and evaluating the arguments that they encounter in everyday life.


Informal logic is a valuable tool for anyone who wants to think critically and make sound decisions. By studying informal logic, you can learn how to identify and evaluate arguments, construct sound arguments, and communicate your ideas effectively.

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Informal Logic is available in hardcover, paperback, and ebook formats. Order your copy today and start learning how to think critically and make sound decisions.