Skepticism and floating conclusions

  • Authors:
  • John F. Horty

  • Affiliations:
  • Univ. of Maryland, College Park

  • Venue:
  • Artificial Intelligence
  • Year:
  • 2002

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Abstract

The purpose of this paper is to question some commonly accepted patterns of reasoning involving nonmonotonic logics that generate multiple extensions. In particular, I argue that the phenomenon of floating conclusions indicates a problem with the view that the skeptical consequences of such theories should be identified with the statements that are supported by each of their various extensions.