The Logical Fallacies Argument & fallacies. What is logical fallacy? why should we learn logical fallacies? fallacies in and out the text contents Arguments, like men, are often pretenders. —Plato What is logical fallacy?? arguments conclusion premises fail to provide conclusive evidence LOGICAL FALLACIES What are fallacies? The logic is missing or something in the case is not clear. is not necessarily a false statement. common and quite persuasive at least to the casual readers or listeners The Angel in the House? Girls are not good at science. Loose Generalization/Dicto Simpliciter(过度概括) It is an overly broad and absolute statement, which does not allow for any exceptions plexity. Logical Fallacy The most beautiful woman scientist Hedy Lamarr The mother of CDMA phone Page71,para69~74 " Exercise is good. Therefore everybody should exercise." "Exercise is good is an unqualified generalization. For instance, if you have heart disease, exercise is bad, not good........" "usually good" or " good for most people." “All generalizations are false, including this one.” —Mark Twain