On Modelling Burdens and Standards of Proof in Structured Argumentation
Title: On Modelling Burdens and Standards of Proof in Structured Argumentation
Citation: Katie M. ATKINSON (ed.), Proceedings of JURIX 2011: The twenty-fourth annual conference on legal knowledge and information systems, Amsterdam, IOS, 2011, Frontiers in Artificial Intelligence and Applications, Volume 235: Legal Knowledge and Information Systems, 83-92
ISBN: 9781607509806; 9781607509813
A formal model is proposed of argumentation with burdens and standards of proof, overcoming shortcomings of earlier work. The model is based on a distinction between default and inverted burdens of proof. This distinction is formalised by adapting the definition of defeat of the ASPIC+ framework for structured argumentation. Since ASPIC+ generates abstract argumentation frameworks, the model is thus given a Dungean semantics. It is shown to adequately capture shifting proof burdens as well as Carneades' definitions of proof standards.
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