Critical Thinking and Islam
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Logical Fallacies Moorpark College Writing Center
Logical Fallacies Moorpark College Writing Center Ad hominem (Argument to the person): Attacking the person making the argument rather than the argument itself. We would take her position on child abuse more seriously if she weren’t so rude to the press. Ad populum appeal (appeal to the public): Draws on whatever people value such as nationality, religion, family. A vote for Joe Smith is a vote for the flag. Alleged certainty: Presents something as certain that is open to debate. Everyone knows that… Obviously, It is obvious that… Clearly, It is common knowledge that… Certainly, Ambiguity and equivocation: Statements that can be interpreted in more than one way. Q: Is she doing a good job? A: She is performing as expected. Appeal to fear: Uses scare tactics instead of legitimate evidence. Anyone who stages a protest against the government must be a terrorist; therefore, we must outlaw protests. Appeal to ignorance: Tries to make an incorrect argument based on the claim never having been proven false. Because no one has proven that food X does not cause cancer, we can assume that it is safe. Appeal to pity: Attempts to arouse sympathy rather than persuade with substantial evidence. He embezzled a million dollars, but his wife had just died and his child needed surgery. Begging the question/Circular Logic: Proof simply offers another version of the question itself. Wrestling is dangerous because it is unsafe. Card stacking: Ignores evidence from the one side while mounting evidence in favor of the other side. Users of hearty glue say that it works great! (What is missing: How many users? Great compared to what?) I should be allowed to go to the party because I did my math homework, I have a ride there and back, and it’s at my friend Jim’s house. -
CHAPTER XXX. of Fallacies. Section 827. After Examining the Conditions on Which Correct Thoughts Depend, It Is Expedient to Clas
CHAPTER XXX. Of Fallacies. Section 827. After examining the conditions on which correct thoughts depend, it is expedient to classify some of the most familiar forms of error. It is by the treatment of the Fallacies that logic chiefly vindicates its claim to be considered a practical rather than a speculative science. To explain and give a name to fallacies is like setting up so many sign-posts on the various turns which it is possible to take off the road of truth. Section 828. By a fallacy is meant a piece of reasoning which appears to establish a conclusion without really doing so. The term applies both to the legitimate deduction of a conclusion from false premisses and to the illegitimate deduction of a conclusion from any premisses. There are errors incidental to conception and judgement, which might well be brought under the name; but the fallacies with which we shall concern ourselves are confined to errors connected with inference. Section 829. When any inference leads to a false conclusion, the error may have arisen either in the thought itself or in the signs by which the thought is conveyed. The main sources of fallacy then are confined to two-- (1) thought, (2) language. Section 830. This is the basis of Aristotle's division of fallacies, which has not yet been superseded. Fallacies, according to him, are either in the language or outside of it. Outside of language there is no source of error but thought. For things themselves do not deceive us, but error arises owing to a misinterpretation of things by the mind. -
The Fine Art of Baloney Detection
The Fine Art of Baloney Detection Carl Sagan The human understanding is no dry light, but receives an infusion from the will and affections; whence proceed sciences which may be called “sciences as one would.” For what a man had rather were true he more readily believes. Therefore he rejects difficult things from impatience of research; sober things, because they narrow hope; the deeper things of nature, from superstition; the light of experience, from arrogance and pride, lest his mind should seem to be occupied with things mean and transitory; things not commonly believed, out of deference to the opinion of the vulgar. Numberless in short are the ways, and sometimes imperceptible, in which the affections colour and infect the understanding. Francis Bacon, Novum Organon (1620) My parents died years ago. I was very close to them. I still miss them terribly. I know I always will. I long to believe that their essence, their personalities, what I loved so much about them, are—really and truly—still in existence somewhere. I wouldn’t ask very much, just five or ten minutes a year, say, to tell them about their grandchildren, to catch them up on the latest news, to remind them that I love them. There’s a part of me—no matter how childish it sounds—that wonders how they are. “Is everything all right?” I want to ask. The last words I found myself saying to my father, at the moment of his death, were “Take care.” Sometimes I dream that I’m talking to my parents, and suddenly—still immersed in the dreamwork—I’m seized by the overpowering realization that they didn’t really die, that it’s all been some kind of horrible mistake. -
The Acquisition of Scientific Knowledge Via Critical Thinking: a Philosophical Approach to Science Education
Forum on Public Policy The Acquisition of Scientific Knowledge via Critical Thinking: A Philosophical Approach to Science Education Dr. Isidoro Talavera, Philosophy Professor and Lead Faculty, Department of Humanities & Communication Arts, Franklin University, Ohio, USA. Abstract There is a gap between the facts learned in a science course and the higher-cognitive skills of analysis and evaluation necessary for students to secure scientific knowledge and scientific habits of mind. Teaching science is not just about how we do science (i.e., focusing on just accumulating undigested facts and scientific definitions and procedures), but why (i.e., focusing on helping students learn to think scientifically). So although select subject matter is important, the largest single contributor to understanding the nature and practice of science is not the factual content of the scientific discipline, but rather the ability of students to think, reason, and communicate critically about that content. This is achieved by a science education that helps students directly by encouraging them to analyze and evaluate all kinds of phenomena, scientific, pseudoscientific, and other. Accordingly, the focus of this treatise is on critical thinking as it may be applied to scientific claims to introduce the major themes, processes, and methods common to all scientific disciplines so that the student may develop an understanding about the nature and practice of science and develop an appreciation for the process by which we gain scientific knowledge. Furthermore, this philosophical approach to science education highlights the acquisition of scientific knowledge via critical thinking to foment a skeptical attitude in our students so that they do not relinquish their mental capacity to engage the world critically and ethically as informed and responsibly involved citizens.1 I. -
There Is No Fallacy of Arguing from Authority
There is no Fallacy ofArguing from Authority EDWIN COLEMAN University ofMelbourne Keywords: fallacy, argument, authority, speech act. Abstract: I argue that there is no fallacy of argument from authority. I first show the weakness of the case for there being such a fallacy: text-book presentations are confused, alleged examples are not genuinely exemplary, reasons given for its alleged fallaciousness are not convincing. Then I analyse arguing from authority as a complex speech act. R~iecting the popular but unjustified category of the "part-time fallacy", I show that bad arguments which appeal to authority are defective through breach of some felicity condition on argument as a speech act, not through employing a bad principle of inference. 1. Introduction/Summary There's never been a satisfactory theory of fallacy, as Hamblin pointed out in his book of 1970, in what is still the least unsatisfactory discussion. Things have not much improved in the last 25 years, despite fallacies getting more attention as interest in informal logic has grown. We still lack good answers to simple questions like what is a fallacy?, what fallacies are there? and how should we classifY fallacies? The idea that argument from authority (argumentum ad verecundiam) is a fallacy, is well-established in logical tradition. I argue that it is no such thing. The second main part of the paper is negative: I show the weakness of the case made in the literature for there being such a fallacy as argument from authority. First, text-book presentation of the fallacy is confused, second, the examples given are not genuinely exemplary and third, reasons given for its alleged fallaciousness are not convincing. -
From Logic to Rhetoric: a Contextualized Pedagogy for Fallacies
Current Issue From the Editors Weblog Editorial Board Editorial Policy Submissions Archives Accessibility Search Composition Forum 32, Fall 2015 From Logic to Rhetoric: A Contextualized Pedagogy for Fallacies Anne-Marie Womack Abstract: This article reenvisions fallacies for composition classrooms by situating them within rhetorical practices. Fallacies are not formal errors in logic but rather persuasive failures in rhetoric. I argue fallacies are directly linked to successful rhetorical strategies and pose the visual organizer of the Venn diagram to demonstrate that claims can achieve both success and failure based on audience and context. For example, strong analogy overlaps false analogy and useful appeal to pathos overlaps manipulative emotional appeal. To advance this argument, I examine recent changes in fallacies theory, critique a-rhetorical textbook approaches, contextualize fallacies within the history and theory of rhetoric, and describe a methodology for rhetorically reclaiming these terms. Today, fallacy instruction in the teaching of written argument largely follows two paths: teachers elevate fallacies as almost mathematical formulas for errors or exclude them because they don’t fit into rhetorical curriculum. Both responses place fallacies outside the realm of rhetorical inquiry. Fallacies, though, are not as clear-cut as the current practice of spotting them might suggest. Instead, they rely on the rhetorical situation. Just as it is an argument to create a fallacy, it is an argument to name a fallacy. This article describes an approach in which students must justify naming claims as successful strategies and/or fallacies, a process that demands writing about contexts and audiences rather than simply linking terms to obviously weak statements. -
Informal Logic Examples and Exercises
Contents Section 1 Quotation Marks: Direct Quotes, Scare Quotes, Use/Mention Quotes 1 Introduction 1 Instructions 5 Exercises 7 Section 2 Meaning and Definition 13 Introduction 13 Instructions 17 Exercises 19 Section 3 Ambiguity, Homophony, Vagueness, Generality 23 Introduction 23 Instructions 27 Exercises 29 Section 4 Connotation and Assertive Content 35 Introduction 35 Instructions 37 Exercises 39 Section 5 Simple and Compound Sentences 45 Introduction 45 Instructions 49 Exercises 51 vi Contents Section 6 Arguments; Simple and Serial Argument Forms 61 Introduction 61 Instructions 65 Exercises 67 Section 7 Convergent, Divergent, and Linked Argument Forms 81 Introduction 81 Instructions 85 Exercises 87 Section 8 Unstated Premises and Conclusions; Extraneous Material 95 Introduction 95 Instructions 99 Exercises 10 1 Section 9 Complex Arguments 115 Introduction 115 Instructions 121 Exercises 123 Section 10 Argument Strengths 145 Introduction 145 Instructions 149 Exercises 151 Section 11 Valid Deductive Arguments: Propositional Logic 159 Introduction 159 Instructions 165 Exercises 167 Section 12 Valid Deductive Arguments: Quantificational Logic 179 Introduction 179 Instructions 187 Exercises 189 Contents vii Section 13 Fallacies One 199 Argument from Authority Two Wrongs Make a Right Irrelevant Reason Argument from Ignorance Ambiguous Argument Slippery Slope Argument from Force Introduction 199 Instructions for Sections 13-16 203 Exercises 205 Section 14 Fallacies Two 213 Ad Hominem Argument Provincialism Tokenism Hasty Conclusion Questionable -
Critical Review All While Still Others Are Characterized Inadequately Or Incompletely
12 Some should not be classified as fallacies of relevance at critical review all while still others are characterized inadequately or incompletely. Copi maintains that in all fallacies of rele vance "their premisses are logically irrelevant to, and therefore incapable of establishing the truth of their conclusions" (pp. 9S-99). But this definition does not apply to the most important of the fallacies of relevance, the irrelevant conclusion (ignoratio elenchi). According to Copi, this fallacy is committed "when an argument sup Copi's Sixth Edition posedly intended to establish a particular conclusion is directed to proving a different conclusion" (p. 110). Copi even allows that the fallacy can be committed by one who may" succeed in proving his (irrelevant) conclusion" (my italics). The fault then is not that the premisses of such Ronald Roblin arguments are logically irrelevant to the conclusion drawn State University College at Buffalo from them, but that the conclusion drawn is insufficient to justify the conclusion called for by the context. If a prosecutor, purporting to prove the defendant guilty of murder, shows on Iy that he had sufficient opportunity and Copi, Irving. Introduction to l~gic. 6th edition. New motive to commit the crime, he (the prosecutor) commits York: Macmillan, 19S2. x. 604 pp.ISBN o-02-324920-X the fallacy of insufficient conclusion. If, on the other hand, he succeeds only in "proving" that murder is a horrible crime, he is guilty of an ignoratio elenchi. In effect, then, The sixth edition of this widely used and influential text Copi does not distinguish between two different fal is worth reviewing, first. -
Atheists' Challenges to Cosmological Arguments
ATHEISTS’ CHALLENGES TO COSMOLOGICAL ARGUMENTS PAUL CLAVIER Ecole Normale Supérieure, Paris Abstract. In this paper I intend to identify some points of disagreement between theism and atheism. I will try to point out three epistemological clashes occurring in the controversial treatment of cosmological arguments. I am not assessing the arguments pro and contra, which have been thoroughly studied and discussed, but just trying to understand the misunderstanding. By a cosmological argument, I will understand any argument to a first generating and sustaining cause of the universe. Suppose that, up to the present day, every purported cosmological argument has been defeated. This would not disprove theism. Would this provide a good presupposition in favour of agnosticism? Probably yes (except if the relevant God of theism was not creator, or if God’s existence could be accessed without implying the dependence of the world on God’s creative power). But of course, this would not preclude the success of further attempts to make a positive case for a creator. A more conclusive strategy would consist in finding out a flaw that generally dismisses every attempt to make a sound argument to a creator. A first flaw could be found in the very concept of creation out of nothing. A second flaw could be about which are the standards and which the right stopping point of a causal explanation of the world. And, finally, there could be Hume’s argument against the necessity of a cause to every new existence. For, if even a new existence is not crying out for an explanation, a fortiori the mere existence of anything at all will not. -
10 Fallacies and Examples Pdf
10 fallacies and examples pdf Continue A: It is imperative that we promote adequate means to prevent degradation that would jeopardize the project. Man B: Do you think that just because you use big words makes you sound smart? Shut up, loser; You don't know what you're talking about. #2: Ad Populum: Ad Populum tries to prove the argument as correct simply because many people believe it is. Example: 80% of people are in favor of the death penalty, so the death penalty is moral. #3. Appeal to the body: In this erroneous argument, the author argues that his argument is correct because someone known or powerful supports it. Example: We need to change the age of drinking because Einstein believed that 18 was the right age of drinking. #4. Begging question: This happens when the author's premise and conclusion say the same thing. Example: Fashion magazines do not harm women's self-esteem because women's trust is not damaged after reading the magazine. #5. False dichotomy: This misconception is based on the assumption that there are only two possible solutions, so refuting one decision means that another solution should be used. It ignores other alternative solutions. Example: If you want better public schools, you should raise taxes. If you don't want to raise taxes, you can't have the best schools #6. Hasty Generalization: Hasty Generalization occurs when the initiator uses too small a sample size to support a broad generalization. Example: Sally couldn't find any cute clothes in the boutique and couldn't Maura, so there are no cute clothes in the boutique. -
Logical Reasoning
updated: 11/29/11 Logical Reasoning Bradley H. Dowden Philosophy Department California State University Sacramento Sacramento, CA 95819 USA ii Preface Copyright © 2011 by Bradley H. Dowden This book Logical Reasoning by Bradley H. Dowden is licensed under a Creative Commons Attribution- NonCommercial-NoDerivs 3.0 Unported License. That is, you are free to share, copy, distribute, store, and transmit all or any part of the work under the following conditions: (1) Attribution You must attribute the work in the manner specified by the author, namely by citing his name, the book title, and the relevant page numbers (but not in any way that suggests that the book Logical Reasoning or its author endorse you or your use of the work). (2) Noncommercial You may not use this work for commercial purposes (for example, by inserting passages into a book that is sold to students). (3) No Derivative Works You may not alter, transform, or build upon this work. An earlier version of the book was published by Wadsworth Publishing Company, Belmont, California USA in 1993 with ISBN number 0-534-17688-7. When Wadsworth decided no longer to print the book, they returned their publishing rights to the original author, Bradley Dowden. If you would like to suggest changes to the text, the author would appreciate your writing to him at [email protected]. iii Praise Comments on the 1993 edition, published by Wadsworth Publishing Company: "There is a great deal of coherence. The chapters build on one another. The organization is sound and the author does a superior job of presenting the structure of arguments. -
The Strategy of Equivocation in Adorno's "Der Essay Als Form"
$PELJXLW\,QWHUYHQHV7KH6WUDWHJ\RI(TXLYRFDWLRQ LQ$GRUQR V'HU(VVD\DOV)RUP 6DUDK3RXUFLDX MLN, Volume 122, Number 3, April 2007 (German Issue), pp. 623-646 (Article) 3XEOLVKHGE\-RKQV+RSNLQV8QLYHUVLW\3UHVV DOI: 10.1353/mln.2007.0066 For additional information about this article http://muse.jhu.edu/journals/mln/summary/v122/122.3pourciau.html Access provided by Princeton University (10 Jun 2015 14:40 GMT) Ambiguity Intervenes: The Strategy of Equivocation in Adorno’s “Der Essay als Form” ❦ Sarah Pourciau “Beziehung ist alles. Und willst du sie näher bei Namen nennen, so ist ihr Name ‘Zweideutigkeit.’” Thomas Mann, Doktor Faustus1 I Adorno’s study of the essay form, published in 1958 as the opening piece of the volume Noten zur Literatur, has long been considered one of the classic discussions of the genre.2 Yet to the earlier investigations of the essay form on which his text both builds and plays, Adorno appears to add little that could be considered truly new. His characterization of the essayistic endeavor borrows heavily and self-consciously from an established tradition of genre exploration that reaches back—despite 1 Thomas Mann, Doktor Faustus: das Leben des deutschen Tonsetzers Adrian Leverkühn, erzählt von einem Freunde, Gesammelte Werke VI (Frankfurt a. M.: Suhrkamp, 1974) 63. Mann acknowledges the enormous debt his novel owes to Adorno’s philosophy of music in Die Entstehung des Doktor Faustus; Roman eines Romans (Berlin: Suhrkamp, 1949). Pas- sages stricken by Mann from the published version of the Entstehung are even more explicit on this subject. These passages were later published together with his diaries.