argument diagram
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2018 ◽  
Vol 38 (2) ◽  
pp. 213-262
Author(s):  
Douglas Walton ◽  
Curtis Hyra

This paper uses argumentation tools such as argument diagrams and argumentation schemes to analyze four examples of argument from analogy, and argues that to proceed from there to evaluating these arguments, features of the context of dialogue need to be taken into account. The evidence drawn from these examples is taken to support a pragmatic approach to studying argument from analogy, meaning that identifying the logical form of the argument by building an argument diagram of the premises and conclusion is not by itself sufficient for argument evaluation. To get further, it is argued, the argument evaluator needs to take into account how this particular argument was used in context to support a conversational goal.Cet article utilise des outils d'argumentation tels que des diagrammes d'argument et des schèmes d'argumentation pour analyser trois exemples d'argument par analogie, et soutient que pour évaluer ces arguments de manière adéquate, il est nécessaire de tenir compte du contexte d'utilisation de l'argument. Ces exemples suggèrent que l’étude des arguments par analogie à partir de seulement l’identification de leur forme logique (par exemple en construisant un diagramme des prémisses et de leur conclusion) n'est pas adéquate. Pour aller plus loin, on avance que l'analyste d'argument doit prendre en compte comment un argument particulier a été utilisé dans un contexte pour soutenir un but conversationnel.


2014 ◽  
Vol 34 (3) ◽  
pp. 276 ◽  
Author(s):  
Douglas Walton

This paper applies dialectical argumentation structures to the problem of analyzing the ad baculum fallacy. It is shown how it is necessary in order to evaluate a suspected instance of the this fallacy to proceed through three levels of analysis: (1) an inferential level, represented by an argument diagram, (2) a speech act level, where conditions for specific types of speech acts are defined and applied, and (3) a dialectical level where the first two levels are linked together and fitted into formal dialogue structures. The paper adds a new type of dialogue called advising dialogue that needs to be applied at the third level.


2012 ◽  
Vol 20 (1) ◽  
pp. 1-31 ◽  
Author(s):  
Douglas N. Walton ◽  
Thomas F. Gordon

Argument invention is a method that can be used to help an arguer find arguments that could be used to prove a claim he needs to defend. The aim of this paper is to show how argumentation systems recently developed in artificial intelligence can be applied to the task of argument invention. One such system called Carneades is featured. Carneades can be used to analyze arguments, evaluate arguments, to make an argument diagram, and to construct arguments from a database. Using some simple examples, the paper explains how Carneades works as a system of argument invention.


2007 ◽  
Vol 22 (1) ◽  
pp. 87-109 ◽  
Author(s):  
CHRIS REED ◽  
DOUGLAS WALTON ◽  
FABRIZIO MACAGNO

AbstractIn this paper, we present a survey of the development of the technique of argument diagramming covering not only the fields in which it originated — informal logic, argumentation theory, evidence law and legal reasoning — but also more recent work in applying and developing it in computer science and artificial intelligence (AI). Beginning with a simple example of an everyday argument, we present an analysis of it visualized as an argument diagram constructed using a software tool. In the context of a brief history of the development of diagramming, it is then shown how argument diagrams have been used to analyse and work with argumentation in law, philosophy and AI.


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