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Extensions for open default theories via the domain closure assumption

  • Michael Kaminski
  • Johann A. Makowsky
  • Michael Tiomkin
Belief Revision and Paraconsistency
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1126)

Abstract

In this paper we analyze the semantical definition of extensions for open default theories. We argue that this definition reflects the domain closure assumption and show how the domain closure assumption for countable and finite domains can be expressed in first-order default logic extended with the Carnap rule of inference. Also we give examples of the domain dependence of extensions for open default theories. In particular, we show that such extensions do not possess the minimality property.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • Michael Kaminski
    • 1
  • Johann A. Makowsky
    • 1
  • Michael Tiomkin
    • 2
  1. 1.Department of Computer ScienceTechnion - Israel Institute of TechnologyHaifaIsrael
  2. 2.Intel IsraelMTM - Scientific Industries CenterHaifaIsrael

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