Journal of Philosophical Logic 38 (3):283-312 (2009)

Authors
Gregor Betz
Karlsruhe Institute of Technology
Abstract
This paper develops concepts and procedures for the evaluation of complex debates. They provide means for answering such questions as whether a thesis has to be considered as proven or disproven in a debate or who carries a burden of proof. While being based on classical logic, this framework represents an (argument-based) approach to non-monotonic, or defeasible reasoning. Debates are analysed as dialectical structures, i.e. argumentation systems with an attack- as well as a support-relationship. The recursive status assignment over the arguments is conditionalised on proponents in a debate. The problem of multiple status assignments arising on circular structures is solved by showing that uniqueness can be guaranteed qua reconstruction of a debate. The notion of burden of proof as well as other discursive aims rational proponents pursue in a debate is defined within the framework.
Keywords Argumentation  Defeasible reasoning  Non-monotonic reasoning  Argumentation framework  Dialectics  Burden of proof
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DOI 10.1007/s10992-008-9091-5
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References found in this work BETA

The Uses of Argument.Stephen E. Toulmin - 1958 - Cambridge University Press.
A Practical Study of Argument.Trudy Govier - 1991 - Wadsworth Pub. Co..

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Citations of this work BETA

On Degrees of Justification.Gregor Betz - 2012 - Erkenntnis 77 (2):237-272.
A Carneades Reconstruction of Popov V Hayashi.Thomas F. Gordon & Douglas Walton - 2012 - Artificial Intelligence and Law 20 (1):37-56.

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