Nonmonotonic causal theories

  • Authors:
  • Enrico Giunchiglia;Joohyung Lee;Vladimir Lifschitz;Norman McCain;Hudson Turner

  • Affiliations:
  • DIST--Università di Genova, Genova, Italy;University of Texas, Austin, TX;University of Texas, Austin, TX;University of Texas, Austin, TX;University of Minnesota, Duluth, MN

  • Venue:
  • Artificial Intelligence - Special issue on logical formalizations and commonsense reasoning
  • Year:
  • 2004

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Abstract

The nonmonotonic causal logic defined in this paper can be used to represent properties of actions, including actions with conditional and indirect effects, nondeterministic actions, and concurrently executed actions. It has been applied to several challenge problems in the theory of commonsense knowledge. We study the relationship between this formalism and other work on nonmonotonic reasoning and knowledge representation, and discuss its implementation, called the Causal Calculator.