First-order Non-monotonic Modal Logics

  • Authors:
  • Michael Kaminski;Guy Rey

  • Affiliations:
  • (Correspd.) Department of Computer Science, Technion - Israel Institute of Technology, Haifa 32000, Israel;(Correspd.) Utopy Inc., 330 Fell St., San Francisco, CA 94102, U.S.A.

  • Venue:
  • Fundamenta Informaticae
  • Year:
  • 2000

Quantified Score

Hi-index 0.00

Visualization

Abstract

In this paper we introduce first-order non-monotonic modal logic and study its properties. Our definition is semantical and is based on the intuition similar to that lying behind the definition of first-order default logic. Thus, our definition of first-order non-monotonic modal logic well complies with that of first-order default logic and circumscription, providing a substantial evidence for its acceptance. In addition, our definition implies all properties of propositional non-monotonic modal logic, which supplies an additional support for its adequacy.