David Hitchcock, professor emeritus of philosophy at McMaster University, is the founding president of the Association for Informal Logic and Critical Thinking, author of Critical Thinking (Methuen, 1983), co-author of Evidence-Based Practice: Logic and Critical Thinking in Medicine (AMA Press, 2005), and co-editor of Arguing on the Toulmin Model (Springer, 2006).

• Chapter 1 Deduction, induction and conduction.- Chapter 2 The linked-convergent distinction.- Chapter 3 Postscript.- Chapter 4 Enthymematic arguments.- Chapter 5 Does the traditional treatment of enthymemes rest on a mistake?.- Chapter 6 Toulmin's warrants.- Chapter 7 Non-logical consequence.- Chapter 8 Inference claims.- Chapter 9 Material consequence and counter-factuals.-  Chapter 19 Some principles of rational mutual inquiry.- Chapter 20 The practice of argumentative discussion.- The significance of informal logic for philosophy.- Chapter 30 Critical thinking as an educational ideal.

David Hitchcock, professor emeritus of philosophy at McMaster University, is the founding president of the Association for Informal Logic and Critical Thinking, author of Critical Thinking (Methuen, 1983), co-author of Evidence-Based Practice: Logic and Critical Thinking in Medicine (AMA Press, 2005), and co-editor of Arguing on the Toulmin Model (Springer, 2006).

• Chapter 1 Deduction, induction and conduction.- Chapter 2 The linked-convergent distinction.- Chapter 3 Postscript.- Chapter 4 Enthymematic arguments.- Chapter 5 Does the traditional treatment of enthymemes rest on a mistake?.- Chapter 6 Toulmin's warrants.- Chapter 7 Non-logical consequence.- Chapter 8 Inference claims.- Chapter 9 Material consequence and counter-factuals.-  Chapter 19 Some principles of rational mutual inquiry.- Chapter 20 The practice of argumentative discussion.- The significance of informal logic for philosophy.- Chapter 30 Critical thinking as an educational ideal.

David Hitchcock, professor emeritus of philosophy at McMaster University, is the founding president of the Association for Informal Logic and Critical Thinking, author of Critical Thinking (Methuen, 1983), co-author of Evidence-Based Practice: Logic and Critical Thinking in Medicine (AMA Press, 2005), and co-editor of Arguing on the Toulmin Model (Springer, 2006).

• Chapter 1 Deduction, induction and conduction.- Chapter 2 The linked-convergent distinction.- Chapter 3 Postscript.- Chapter 4 Enthymematic arguments.- Chapter 5 Does the traditional treatment of enthymemes rest on a mistake?.- Chapter 6 Toulmin's warrants.- Chapter 7 Non-logical consequence.- Chapter 8 Inference claims.- Chapter 9 Material consequence and counter-factuals.-  Chapter 19 Some principles of rational mutual inquiry.- Chapter 20 The practice of argumentative discussion.- The significance of informal logic for philosophy.- Chapter 30 Critical thinking as an educational ideal.