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  1. The epistemology of scientific evidence.Douglas Walton & Nanning Zhang - 2013 - Artificial Intelligence and Law 21 (2):173-219.
    In place of the traditional epistemological view of knowledge as justified true belief we argue that artificial intelligence and law needs an evidence-based epistemology according to which scientific knowledge is based on critical analysis of evidence using argumentation. This new epistemology of scientific evidence (ESE) models scientific knowledge as achieved through a process of marshaling evidence in a scientific inquiry that results in a convergence of scientific theories and research results. We show how a dialogue interface of argument from expert (...)
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  • Rules for reasoning from knowledge and lack of knowledge.Douglas Walton - 2006 - Philosophia 34 (3):355-376.
    In this paper, the traditional view that argumentum ad ignorantiam is a logical fallacy is challenged, and lessons are drawn on how to model inferences drawn from knowledge in combination with ones drawn from lack of knowledge. Five defeasible rules for evaluating knowledge-based arguments that apply to inferences drawn under conditions of lack of knowledge are formulated. They are the veridicality rule, the consistency of knowledge rule, the closure of knowledge rule, the rule of refutation and the rule for argument (...)
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  • Reasoning about knowledge using defeasible logic.Douglas Walton - 2011 - Argument and Computation 2 (2-3):131 - 155.
    In this paper, the Carneades argumentation system is extended to represent a procedural view of inquiry in which evidence is marshalled to support or defeat claims to knowledge. The model is a sequence of moves in a collaborative group inquiry in which parties take turns making assertions about what is known or not known, putting forward evidence to support them, and subjecting these moves to criticisms. It is shown how this model of evaluating evidence in an inquiry is based on (...)
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  • Douglas Walton’s Contributions in Education.Chrysi Rapanta - 2022 - Informal Logic 43 (4):139-170.
    Douglas Walton, perhaps the most prolific author in Argumentation theory, has been of a great influence in the fields of Informal logic, Artificial intelligence, and Law. His contributions in the field of educational research, in particular in the field of argumentation and education, are less known. This review paper aims at shedding light on those aspects of Walton’s theory that have received educational researchers’ attention thus far, as well identifying existing lacks of consideration and open paths for future research.
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  • The Burden of Proof and Its Role in Argumentation.Ulrike Hahn & Mike Oaksford - 2007 - Argumentation 21 (1):39-61.
    The notion of “the burden of proof” plays an important role in real-world argumentation contexts, in particular in law. It has also been given a central role in normative accounts of argumentation, and has been used to explain a range of classic argumentation fallacies. We argue that in law the goal is to make practical decisions whereas in critical discussion the goal is frequently simply to increase or decrease degree of belief in a proposition. In the latter case, it is (...)
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  • Epistemic Coverage and Argument Closure.Catherine E. Hundleby - 2020 - Topoi 40 (5):1051-1062.
    Sanford Goldberg’s account of epistemic coverage constitutes a special case of Douglas Walton’s view that epistemic closure arises from dialectical argument. Walton’s pragmatic version of epistemic closure depends on dialectical norms for closing an argument, and epistemic coverage operates at the limits of argument closure because it minimizes dialectical exchange. Such closure works together with a shared hypothetical consideration to justify dismissal of surprising claims.
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  • Douglas Walton: Argument Evaluation and Evidence: Springer, 2016, 286 pp. [REVIEW]Marcello Di Bello & Bart Verheij - 2018 - Argumentation 32 (2):301-307.
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  • Redefining Knowledge in a Way Suitable for Argumentation Theory.Douglas Walton & David M. Godden - unknown
    Knowledge plays an important role in argumentation. Yet, recent work shows that standard conceptions of knowledge in epistemology may not be entirely suitable for argumentation. This paper explores the role of knowledge in argumentation, and proposes a notion of knowledge that promises to be more suitable for argumentation by taking account of: its dynamic nature, the defeasibility of our commitments, and the non-monotonicity of many of the inferences we use in everyday reasoning and argumentation.
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