Informal Logic: Issues and Techniques

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9780773515420: Informal Logic: Issues and Techniques

This critique of informal logic and critical thinking strategies and techniques examines argument evaluation techniques being used in both formal and informal logic texts and, finding them lacking, proposes a new system for evaluation. This evaluation is based on two criteria - logical adequacy and pragmatic adequacy for evaluating everyday arguments. The work asserts that the common formal logic systems, while logically sound, are not very useful for evaluating everyday inferences, which are almost all deductively invalid as stated. Turning to informal logic, it is pointed out that while more recent informal logic and critical thinking texts are superior in that their authors recognize that everyday arguments are inductive, they typically cover only inductive fallacies, ignoring the inductively sound patterns used frequently in successful persuasion. To redress these problems, the text introduces a variety of additional inductive patterns. Concluding that informal logic texts do not encourage precision in evaluating arguments, a new argument evaluation procedure is proposed, one that expresses judgments of inferential strength in terms of probabilities. Based on theories of Stephen Toulmin, Roderick Chisholm, and John Pollock, the proposed system uses a probability-based rating scheme to arrive at a more precise judgment of the persuasive force of arguments.

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Grennan bases his evaluation of arguments on two criteria: logical adequacy and pragmatic adequacy. He asserts that the common formal logic systems, while logically sound, are not very useful for evaluating everyday inferences, which are almost all deductively invalid as stated. Turning to informal logic, he points out that while more recent informal logic and critical thinking texts are superior in that their authors recognize the need to evaluate everyday arguments inductively, they typically cover only inductive fallacies, ignoring the inductively sound patterns frequently used in successful persuasion. To redress these problems, Grennan introduces a variety of additional inductive patterns. Concluding that informal logic texts do not encourage precision in evaluating arguments, Grennan proposes a new argument evaluation procedure that expresses judgments of inferential strength in terms of probabilities. Based on theories of Stephen Toulmin, Roderick Chisholm, and John Pollock, his proposed system allows for a more precise judgment of the persuasive force of arguments.

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St. Mary's U

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Wayne Grennan
Editore: University of Chicago press
ISBN 10: 0773515429 ISBN 13: 9780773515420
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Descrizione libro University of Chicago press. Condizione libro: New. Brand New. Codice libro della libreria 0773515429

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Wayne Grennan
Editore: McGill-Queen s University Press, Canada (1997)
ISBN 10: 0773515429 ISBN 13: 9780773515420
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Descrizione libro McGill-Queen s University Press, Canada, 1997. Hardback. Condizione libro: New. New.. Language: English . This book usually ship within 10-15 business days and we will endeavor to dispatch orders quicker than this where possible. Brand New Book. Grennan bases his evaluation of arguments on two criteria: logical adequacy and pragmatic adequacy. He asserts that the common formal logic systems, while logically sound, are not very useful for evaluating everyday inferences, which are almost all deductively invalid as stated. Turning to informal logic, he points out that while more recent informal logic and critical thinking texts are superior in that their authors recognize the need to evaluate everyday arguments inductively, they typically cover only inductive fallacies, ignoring the inductively sound patterns frequently used in successful persuasion. To redress these problems, Grennan introduces a variety of additional inductive patterns. Concluding that informal logic texts do not encourage precision in evaluating arguments, Grennan proposes a new argument evaluation procedure that expresses judgments of inferential strength in terms of probabilities. Based on theories of Stephen Toulmin, Roderick Chisholm, and John Pollock, his proposed system allows for a more precise judgment of the persuasive force of arguments. Codice libro della libreria BTE9780773515420

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Wayne Grennan
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Descrizione libro 1997. Hardcover. Condizione libro: New. Hardcover. This critique of informal logic and critical thinking strategies and techniques examines argument evaluation techniques being used in both formal and informal logic texts and,.Shipping may be from our Sydney, NSW warehouse or from our UK or US warehouse, depending on stock availability. 280 pages. 0.662. Codice libro della libreria 9780773515420

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Grennan, Wayne
Editore: McGill-Queen's University Pres (1997)
ISBN 10: 0773515429 ISBN 13: 9780773515420
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Descrizione libro McGill-Queen's University Pres, 1997. Hardcover. Condizione libro: New. Never used!. Codice libro della libreria P110773515429

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