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Profile: Douglas Walton (University of Windsor)
  1. Argumentation Schemes.Douglas Walton, Chris Reed & Fabrizio Macagno - 2008 - Cambridge University Press.
    This book provides a systematic analysis of many common argumentation schemes and a compendium of 96 schemes. The study of these schemes, or forms of argument that capture stereotypical patterns of human reasoning, is at the core of argumentation research. Surveying all aspects of argumentation schemes from the ground up, the book takes the reader from the elementary exposition in the first chapter to the latest state of the art in the research efforts to formalize and classify the schemes, outlined (...)
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  2.  56
    Commitment in Dialogue: Basic Concepts of Interpersonal Reasoning.Douglas Walton & Erik C. W. Krabbe - 1995 - State University of New York Press.
    Develops a logical analysis of dialogue in which two or more parties attempt to advance their own interests. It includes a classification of the major types of dialogues and a discussion of several important informal fallacies.
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  3. Epistemic and Dialectical Models of Begging the Question.Douglas Walton - 2006 - Synthese 152 (2):237-284.
    This paper addresses the problem posed by the current split between the two opposed hypotheses in the growing literature on the fallacy of begging the question the epistemic hypothesis, based on knowledge and belief, and the dialectical one, based on formal dialogue systems. In the first section, the nature of split is explained, and it is shown how each hypothesis has developed. To get the beginning reader up to speed in the literature, a number of key problematic examples are analyzed (...)
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  4.  38
    Argumentation Schemes for Presumptive Reasoning.Douglas N. Walton - 1996 - L. Erlbaum Associates.
    This book identifies 25 argumentation schemes for presumptive reasoning and matches a set of critical questions to each.
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  5.  24
    The Carneades Model of Argument and Burden of Proof.Thomas F. Gordon, Henry Prakken & Douglas N. Walton - 2007 - Artificial Intelligence 171 (10-15):875-896.
    We present a formal, mathematical model of argument structure and evaluation, taking seriously the procedural and dialogical aspects of argumentation. The model applies proof standards to determine the acceptability of statements on an issue-by-issue basis. The model uses different types of premises (ordinary premises, assumptions and exceptions) and information about the dialectical status of statements (stated, questioned, accepted or rejected) to allow the burden of proof to be allocated to the proponent or the respondent, as appropriate, for each premise separately. (...)
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  6.  13
    Emotive Language in Argumentation.Fabrizio Macagno & Douglas Walton - 2014 - Cambridge University Press.
    This book analyzes the uses of emotive language and redefinitions from pragmatic, dialectical, epistemic and rhetorical perspectives, investigating the relationship between emotions, persuasion and meaning, and focusing on the implicit dimension of the use of a word and its dialectical effects. It offers a method for evaluating the persuasive and manipulative uses of emotive language in ordinary and political discourse. Through the analysis of political speeches and legal arguments, the book offers a systematic study of emotive language in argumentation, rhetoric, (...)
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  7. A Pragmatic Theory of Fallacy.Douglas Walton - 2003 - University Alabama Press.
    Although fallacies have been common since Aristotle, until recently little attention has been devoted to identifying and defining them. Furthermore, the concept of fallacy itself has lacked a sufficiently clear meaning to make it a useful tool for evaluating arguments. Douglas Walton takes a new analytical look at the concept of fallacy and presents an up-to-date analysis of its usefulness for argumentation studies. Walton uses case studies illustrating familiar arguments and tricky deceptions in everyday conversation where the charge of fallaciousness (...)
     
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  8. Appeal to Expert Opinion: Arguments From Authority.Douglas Walton - 1997 - Pennsylvania State University Press.
    A new pragmatic approach, based on the latest developments in argumentation theory, analyzing appeal to expert opinion as a form of argument. Reliance on authority has always been a common recourse in argumentation, perhaps never more so than today in our highly technological society when knowledge has become so specialized—as manifested, for instance, in the frequent appearance of "expert witnesses" in courtrooms. When is an appeal to the opinion of an expert a reasonable type of argument to make, and when (...)
     
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  9.  63
    Informal Logic: A Handbook for Critical Argumentation.Douglas N. Walton - 1989 - Cambridge University Press.
    This is an introductory guide to the basic principles of constructing good arguments and criticizing bad ones. It is nontechnical in its approach, and is based on 150 key examples, each discussed and evaluated in clear, illustrative detail. The author explains how errors, fallacies, and other key failures of argument occur. He shows how correct uses of argument are based on sound argument strategies for reasoned persuasion and critical questions for responding. Among the many subjects covered are: techniques of posing, (...)
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  10.  3
    Argumentation Schemes.Douglas Walton, Christopher Reed & Fabrizio Macagno - 2008 - Cambridge University Press.
    This book provides a systematic analysis of many common argumentation schemes and a compendium of 96 schemes. The study of these schemes, or forms of argument that capture stereotypical patterns of human reasoning, is at the core of argumentation research. Surveying all aspects of argumentation schemes from the ground up, the book takes the reader from the elementary exposition in the first chapter to the latest state of the art in the research efforts to formalize and classify the schemes, outlined (...)
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  11. Legal Argumentation and Evidence.Douglas Walton - 2002 - Pennsylvania State University Press.
    A leading expert in informal logic, Douglas Walton turns his attention in this new book to how reasoning operates in trials and other legal contexts, with special emphasis on the law of evidence. The new model he develops, drawing on methods of argumentation theory that are gaining wide acceptance in computing fields like artificial intelligence, can be used to identify, analyze, and evaluate specific types of legal argument. In contrast with approaches that rely on deductive and inductive logic and rule (...)
     
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  12.  28
    Witness Testimony Evidence: Argumentation, Artificial Intelligence, and Law.Douglas N. Walton - 2008 - Cambridge University Press.
    Recent work in artificial intelligence has increasingly turned to argumentation as a rich, interdisciplinary area of research that can provide new methods related to evidence and reasoning in the area of law. Douglas Walton provides an introduction to basic concepts, tools and methods in argumentation theory and artificial intelligence as applied to the analysis and evaluation of witness testimony. He shows how witness testimony is by its nature inherently fallible and sometimes subject to disastrous failures. At the same time such (...)
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  13. Begging the Question: Circular Reasoning as a Tactic of Argumentation.Douglas N. Walton - 1991 - Greenwood Press.
     
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  14.  49
    Action Theory.M. Brand & Douglas N. Walton (eds.) - 1976 - Reidel.
    INTRODUCTION BY THE EDITORS Gilbert Ryle, in his Concept of Mind (1949), attacked volitional theories of human actions; JL Austin, in his "If and Cans" ...
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  15.  63
    Towards a Formal Account of Reasoning About Evidence: Argumentation Schemes and Generalisations. [REVIEW]Floris Bex, Henry Prakken, Chris Reed & Douglas Walton - 2003 - Artificial Intelligence and Law 11 (2-3):125-165.
    This paper studies the modelling of legal reasoning about evidence within general theories of defeasible reasoning and argumentation. In particular, Wigmore's method for charting evidence and its use by modern legal evidence scholars is studied in order to give a formal underpinning in terms of logics for defeasible argumentation. Two notions turn out to be crucial, viz. argumentation schemes and empirical generalisations.
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  16. The Argumentative Structure of Persuasive Definitions.Fabrizio Macagno & Douglas Walton - 2008 - Ethical Theory and Moral Practice 11 (5):525-549.
    In this paper we present an analysis of persuasive definition based on argumentation schemes. Using the medieval notion of differentia and the traditional approach to topics, we explain the persuasiveness of emotive terms in persuasive definitions by applying the argumentation schemes for argument from classification and argument from values. Persuasive definitions, we hold, are persuasive because their goal is to modify the emotive meaning denotation of a persuasive term in a way that contains an implicit argument from values. However, our (...)
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  17.  6
    Ad Hominem Arguments.Douglas Walton - 1998 - University Alabama Press.
    Walton gives a clear method for analyzing and evaluating cases of ad hominem arguments found in everyday argumentation.
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  18. Arguments From Ignorance.Douglas Walton - 1995 - Pennsylvania State University Press.
    _Arguments from Ignorance _explores the situations in which the argument from ignorance functions as a respectable form of reasoning and those in which it is indeed fallacious. Douglas Walton draws on everyday conversations on all kinds of practical matters in which the _argumentum ad ignorantiam _is used quite appropriately to infer conclusions. He also discusses the inappropriate use of this kind of argument, referring to various major case studies, including the Salem witchcraft trials, the McCarthy hearings, and the Alger Hiss (...)
     
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  19. Relevance in Argumentation.Douglas N. Walton - 2004
     
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  20. Argument From Analogy in Law, the Classical Tradition, and Recent Theories.Macagno Fabrizio & Walton Douglas - 2009 - Philosophy and Rhetoric 42 (2):154-182.
    Argument from analogy is a common and formidable form of reasoning in law and in everyday conversation. Although there is substantial literature on the subject, according to a recent survey ( Juthe 2005) there is little fundamental agreement on what form the argument should take, or on how it should be evaluated. Th e lack of conformity, no doubt, stems from the complexity and multiplicity of forms taken by arguments that fall under the umbrella of analogical reasoning in argumentation, dialectical (...)
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  21. The Place of Emotion in Argument.Douglas Walton - 1992 - Pennsylvania State University Press.
    Appeals to emotion—pity, fear, popular sentiment, and _ad hominem_ attacks—are commonly used in argumentation. Instead of dismissing these appeals as fallacious wherever they occur, as many do, Walton urges that each use be judged on its merits. He distinguished three main categories of evaluation. First, is it reasonable, even if not conclusive, as an argument? Second, is it weak and therefore open to critical questioning for argument? And third, is it fallacious? The third category is a strong charge that incurs (...)
     
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  22. The Argumentative Uses of Emotive Language .Fabrizio Macagno & Douglas Walton - 2010 - Revista Iberoamericana de Argumentación 1:1-37.
  23. Logical Dialogue-Games and Fallacies.Douglas N. Walton - 1984
     
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  24.  93
    Types of Dialogue, Dialectical Relevance and Textual Congruity.Douglas Walton & Fabrizio Macagno - 2007 - Anthropology and Philosophy 8 (1/2):101-120.
    Using tools like argument diagrams and profiles of dialogue, this paper studies a number of examples of everyday conversational argumentation where determination of relevance and irrelevance can be assisted by means of adopting a new dialectical approach. According to the new dialectical theory, dialogue types are normative frameworks with specific goals and rules that can be applied to conversational argumentation. In this paper is shown how such dialectical models of reasonable argumentation can be applied to a determination of whether an (...)
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  25.  1
    How to Formalize Informal Logic.Douglas Walton & Thomas F. Gordon - unknown
    This paper presents a formalization of informal logic using the Carneades Argumentation System, a formal, computational model of argument that consists of a formal model of argument graphs and audiences. Conflicts between pro and con arguments are resolved using proof standards, such as preponderance of the evidence. Carneades also formalizes argumentation schemes. Schemes can be used to check whether a given argument instantiates the types of argument deemed normatively appropriate for the type of dialogue.
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  26.  98
    What We Hide in Words: Value-Based Reasoning and Emotive Language.Fabrizio Macagno & Douglas Walton - 2010 - Journal of Pragmatics 42:1997-2013.
    There are emotively powerful words that can modify our judgment, arouse our emotions and influence our decisions. This paper shows how the use of emotive meaning in argumentation can be explained by showing how their logical dimension, which can be analysed using argumentation schemes, combines with heuristic processes triggered by emotions. Arguing with emotive words is shown to use value-based practical reasoning grounded on hierarchies of values and maxims of experience for evaluative classification.
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  27.  7
    Why Fallacies Appear to Be Better Arguments Than They Are.Douglas Walton - 2010 - Informal Logic 30 (2):159-184.
    This paper offers a solution to the problem of understanding how a fallacious argument can be deceptive by “seeming to be valid”, or (better) appearing to be a better argument of its kind than it really is. The explanation of how fallacies are deceptive is based on heuristics and paraschemes. Heuristics are fast and frugal shortcuts to a solution to a problem that sometimes jump to a conclusion that is not justified. In fallacious instances, according to the theory proposed, this (...)
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  28.  20
    Some Artificial Intelligence Tools for Argument Evaluation: An Introduction.Douglas Walton - 2016 - Argumentation 30 (3):317-340.
    Even though tools for identifying and analyzing arguments are now in wide use in the field of argumentation studies, so far there is a paucity of resources for evaluating real arguments, aside from using deductive logic or Bayesian rules that apply to inductive arguments. In this paper it is shown that recent developments in artificial intelligence in the area of computational systems for modeling defeasible argumentation reveal a different approach that is currently making interesting progress. It is shown how these (...)
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  29. Common Knowledge and Argumentation Schemes .Fabrizio Macagno & Douglas Walton - 2005 - Studies in Communication Sciences 5 (2):1-22.
    We argue that common knowledge, of the kind used in reasoning in law and computing is best analyzed using a dialogue model of argumentation (Walton & Krabbe 1995). In this model, implicit premises resting on common knowledge are analyzed as endoxa or widely accepted opinions and generalizations (Tardini 2005). We argue that, in this sense, common knowledge is not really knowledge of the kind represent by belief and/or knowledge of the epistemic kind studied in current epistemology. This paper takes a (...)
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  30. Slippery Slope Arguments.Douglas N. Walton - 1992 - Oxford University Press.
    A "slippery slope argument" is a type of argument in which a first step is taken and a series of inextricable consequences follow, ultimately leading to a disastrous outcome. Many textbooks on informal logic and critical thinking treat the slippery slope argument as a fallacy. Walton argues that used correctly in some cases, they can be a reasonable type of argument to shift a burden of proof in a critical discussion, while in other cases they are used incorrectly. Walton identifies (...)
     
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  31.  20
    A Carneades Reconstruction of Popov V Hayashi.Thomas F. Gordon & Douglas Walton - 2012 - Artificial Intelligence and Law 20 (1):37-56.
    Carneades is an open source argument mapping application and a programming library for building argumentation support tools. In this paper, Carneades’ support for argument reconstruction, evaluation and visualization is illustrated by modeling most of the factual and legal arguments in Popov v Hayashi.
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  32. Enthymemes, Argumentation Schemes, and Topics.Fabrizio Macagno & Douglas Walton - 2009 - Logique Et Analyse 205:39-56.
  33. Arguer's Position: A Pragmatic Study of Ad Hominem Attack, Criticism, Refutation, and Fallacy.Douglas N. Walton - 1985 - Greenwood Press.
  34.  10
    Wrenching From Context: The Manipulation of Commitments. [REVIEW]Douglas Walton & Fabrizio Macagno - 2010 - Argumentation 24 (3):283-317.
    This article analyses the fallacy of wrenching from context, using the dialectical notions of commitment and implicature as tools. The data, a set of key examples, is used to sharpen the conceptual borderlines around the related fallacies of straw man, accent, misquotation, and neglect of qualifications. According to the analysis, the main characteristics of wrenching from context are the manipulation of the meaning of the other’s statement through devices such as the use of misquotations, selective quotations, and quoting out of (...)
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  35.  8
    Practical Reasoning: Goal-Driven, Knowledge-Based, Action-Guiding Argumentation.Douglas N. Walton - 1990 - Rowman & Littlefield Publishers.
    This book is an analysis of the distinctive form of reasoning, called practical reasoning by Aristotle (as opposed to theoretical reasoning), that serves to guide behaviour.
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  36. Argument Diagramming in Logic, Artificial Intelligence, and Law.Chris Reed, Douglas Walton & Fabrizio Macagno - 2007 - Artificial Intelligence, and Law 22 (1):87-109.
  37. Plausible Argument in Everyday Conversation.Douglas N. Walton - 1992
     
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  38.  25
    Begging the Question in Arguments Based on Testimony.Douglas Walton - 2005 - Argumentation 19 (1):85-113.
    This paper studies some classic cases of the fallacy of begging the question based on appeals to testimony containing circular reasoning. For example, suppose agents a, b and c vouch for d’s credentials, and agents b, d, and e vouch for a’s credentials. Such a sequence of reasoning is circular because a is offering testimony for d but d is offering testimony for a. The paper formulates and evaluates restrictions on the use of testimonial evidence that might be used to (...)
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  39.  4
    Classifying the Patterns of Natural Arguments.Fabrizio Macagno & Douglas Walton - 2015 - Philosophy and Rhetoric 48 (1):26-53.
    The representation and classification of the structure of natural arguments has been one of the most important aspects of Aristotelian and medieval dialectical and rhetorical theories. This traditional approach is represented nowadays in models of argumentation schemes. The purpose of this article is to show how arguments are characterized by a complex combination of two levels of abstraction, namely, semantic relations and types of reasoning, and to provide an effective and comprehensive classification system for this matrix of semantic and quasilogical (...)
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  40. Argument Structure a Pragmatic Theory.Douglas N. Walton - 1996
     
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  41. Burden of Proof, Presumption and Argumentation.Douglas Walton - 2014 - Cambridge University Press.
    The notion of burden of proof and its companion notion of presumption are central to argumentation studies. This book argues that we can learn a lot from how the courts have developed procedures over the years for allocating and reasoning with presumptions and burdens of proof, and from how artificial intelligence has built precise formal and computational systems to represent this kind of reasoning. The book provides a model of reasoning with burden of proof and presumption, based on analyses of (...)
     
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  42.  22
    Are Circular Arguments Necessarily Vicious?Douglas N. Walton - 1985 - American Philosophical Quarterly 22 (October):263-274.
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  43.  29
    Enthymemes, Common Knowledge, and Plausible Inference.Douglas N. Walton - 2001 - Philosophy and Rhetoric 34 (2):93-112.
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  44.  11
    Deceptive Arguments Containing Persuasive Language and Persuasive Definitions.Douglas Walton - 2005 - Argumentation 19 (2):159-186.
    Using persuasive definitions and persuasive language generally to put a spin on an argument has often held to be suspicious, if not deceptive or even fallacious. However, if the purpose of a persuasive definition is to persuade, and if rational persuasion can be a legitimate goal, putting forward a persuasive definition can have a legitimate basis in some cases. To clarify this basis, the old subject of definitions is reconfigured into a new dialectical framework in which, it is argued, a (...)
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  45.  5
    Topical Relevance in Argumentation.Douglas N. Walton - 1982 - John Benjamins.
    It is a longstanding if not altogether coherent tradition of logic and rhetorical studies that an argument can be incorrect or fallacious in virtue of some ...
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  46.  77
    Begging the Question as a Pragmatic Fallacy.Douglas N. Walton - 1994 - Synthese 100 (1):95 - 131.
    The aim of this paper is to make it clear how and why begging the question should be seen as a pragmatic fallacy which can only be properly evaluated in a context of dialogue. Included in the paper is a review of the contemporary literature on begging the question that shows the gradual emergence over the past twenty years or so of the dialectical conception of this fallacy. A second aim of the paper is to investigate a number of general (...)
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  47.  87
    Reasoning From Paradigms and Negative Evidence.Fabrizio Macagno & Douglas Walton - 2011 - Pragmatics and Cognition 19 (1):92-116.
    Reasoning from negative evidence takes place where an expected outcome is tested for, and when it is not found, a conclusion is drawn based on the significance of the failure to find it. By using Gricean maxims and implicatures, we show how a set of alternatives, which we call a paradigm, provides the deep inferential structure on which reasoning from lack of evidence is based. We show that the strength of reasoning from negative evidence depends on how the arguer defines (...)
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  48.  2
    Nonfallacious Arguments From Ignorance.Douglas Walton - 1992 - American Philosophical Quarterly 29 (4):381 - 387.
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  49. The Three Bases for the Enthymeme: A Dialogical Theory.Douglas Walton - manuscript
    Journal of Applied Logic, to appear [uncorrected version posted].
     
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  50.  6
    Ethical Argumentation.Douglas Walton - 2003 - Lexington Books.
    Bridging the gap between applied ethics and ethical theory, Ethical Argumentation draws on recent research in argumentation theory to develop a more realistic model of how ethical justification actually works.
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