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Invitation to Critical Thinking First Canadian Edition Joel Rudinow Vincent E. Barry Mark Letteri. Chapter 11 Informal Fallacies 1: Language, Relevance, Authority www.criticalthinking1ce.nelson.com. Overview of Fallacies. Fallacies of Language Fallacies of Relevance
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Invitation to Critical ThinkingFirst Canadian EditionJoel RudinowVincent E. BarryMark Letteri Chapter 11 Informal Fallacies 1: Language, Relevance, Authority www.criticalthinking1ce.nelson.com
Overview of Fallacies • Fallacies of Language • Fallacies of Relevance • Fallacious Appeals to Authority © 2008 by Nelson, a division of Thomson Canada Limited
Fallacies of Language Problematic Ambiguity: • Informal Fallacy of Problematic Equivocation • Informal Fallacy of Amphibole • Informal Fallacy of False Implication • Informal Fallacy of Composition • Informal Fallacy of Division © 2008 by Nelson, a division of Thomson Canada Limited
Fallacies of Language Problematic Vagueness: • In argument • In advertising: • Puffery • Hyperbole or hype • Weasel words © 2008 by Nelson, a division of Thomson Canada Limited
Fallacies of Language Informal Fallacy of Classification: • Denotation Informal Fallacy of Loaded Language: • Connotation and the Informal Fallacy of Loaded Language • Euphemism • Dysphemism • Informal Fallacy of Rhetorical Question © 2008 by Nelson, a division of Thomson Canada Limited
Fallacies of Relevance Ad Hominem : • Informal Fallacy of Abusive ad hominem • Informal Fallacy of Circumstantial ad hominem • Informal Fallacy of Guilt by Association • Informal Fallacy of Poisoning the Well • Informal Fallacy of Genetic Appeal © 2008 by Nelson, a division of Thomson Canada Limited
Provincialism, Tradition, Popularity, Novelty, and Positioning • Informal Fallacy of Provincialism • Informal Fallacy of Appeal to Tradition • Informal Fallacy of Appeal to Popularity • Informal Fallacy of Appeal to Novelty • Informal Fallacy of Guilt by Association • Positioning © 2008 by Nelson, a division of Thomson Canada Limited
Fallacious Appeal to Emotion • Informal Fallacy of Appeal to Anger • Informal Fallacy of Appeal to Fear • Informal Fallacy of Appeal to Pity © 2008 by Nelson, a division of Thomson Canada Limited
Diversionary Tactics • Red Herring • Straw Person • Informal Fallacy of Two Wrongs • Informal Fallacy of Common Practice © 2008 by Nelson, a division of Thomson Canada Limited
Fallacious Appeals to Authority • Appeals to Invincible Authority • Informal Fallacy of Appeal to Unidentified Authority • Informal Fallacy of Appeal to Irrelevant Authority • Informal Fallacy of Division of Expert Opinion • Conflict of Interest © 2008 by Nelson, a division of Thomson Canada Limited