Inference from controversial arguments

  • Authors:
  • Sylvie Coste-Marquis;Caroline Devred;Pierre Marquis

  • Affiliations:
  • CRIL-CNRS/Université d’Artois, Lens, France;CRIL-CNRS/Université d’Artois, Lens, France;CRIL-CNRS/Université d’Artois, Lens, France

  • Venue:
  • LPAR'05 Proceedings of the 12th international conference on Logic for Programming, Artificial Intelligence, and Reasoning
  • Year:
  • 2005

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Abstract

We present new careful semantics within Dung’s theory of argumentation. Under such careful semantics, two arguments cannot belong to the same extension whenever one of them indirectly attacks a third argument while the other one indirectly defends the third. We argue that our semantics lead to a better handling of controversial arguments than Dung’s ones in some settings. We compare the careful inference relations induced by our semantics w.r.t. cautiousness; we also compare them with the inference relations induced by Dung’s semantics.