Brave Nonmonotonic Inference and Its Kinds

  • Authors:
  • Alexander Bochman

  • Affiliations:
  • Computer Science Department, Holon Academic Institute of Technology, Israel E-mail: bochmana@hait.ac.il

  • Venue:
  • Annals of Mathematics and Artificial Intelligence
  • Year:
  • 2003

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Abstract

We describe a uniform semantic representation for a number of systems of brave (credulous) nonmonotonic inference based on the notion of an epistemic state. A complete characterization for the main such systems is given. It turns out that both sceptical and credulous inference are representable syntactically as diverging extensions of the basic conditional logic suggested by van Benthem in [27].