Representation theorems for multiple belief changes

  • Authors:
  • Dongmo Zhang;Shifu Chen;Wujia Zhu;Zhaoqian Chen

  • Affiliations:
  • State Key Lab. for Novel Software Tech.,, Dept., of Comp., Sci., and Tech., Nanjing Univ.,, Nanjing, China and Dept., of Comp., Sci., Nanjing Univ., of Aeronautics and Astronautics, Nanjing, China;State Key Lab. for Novel Software Tech., Department of Comp., Sci., and Tech., Nanjing Univ., Nanjing, China;State Key Lab. for Novel Software Tech.,, Dept., of Comp., Sci., and Tech., Nanjing Univ.,, Nanjing, China and Dept., of Comp., Sci., Nanjing Univ., of Aeronautics and Astronautics, Nanjing, China;State Key Lab. for Novel Software Tech., Department of Comp., Sci., and Tech.,, Nanjing Univ., Nanjing, China

  • Venue:
  • IJCAI'97 Proceedings of the 15th international joint conference on Artifical intelligence - Volume 1
  • Year:
  • 1997

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Abstract

This paper aims to develop further and systemize the theory of multiple belief change based on the previous work on the package contraction, developed by [Fuhrmann and Hansson 1994] and the general belief changes, developed by [Zhang 1996]. Two main representation theorems for general contractions are given, one is based on partial meet models and the other on nice-ordered partition models. An additional principle, called Limit Postulate, for the general belief changes is introduced which specifies properties of infinite belief changes. The results of this paper provides a foundation for investigating the connection between infinite nonmonotonic reasoning and multiple belief revision.