Reasoning about the objects of attitudes and operators: towards a disquotation theory for representation of propositional content

  • Authors:
  • Steven Orla Kimbrough

  • Affiliations:
  • University of Pennsylvania, 3620 Locust Walk, Suite 1300, Philadelphia, PA

  • Venue:
  • Proceedings of the 8th international conference on Artificial intelligence and law
  • Year:
  • 2001

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Abstract

S believes that P, S promises that P, S says that P, and so on are examples of sentences with embedded propositional content (that P in these examples.). Such sentences are ubiquitous in everyday reasoning, in legal reasoning, and in conducting business. This paper sketches an approach to formalizing such sentences for purposes of automated reasoning. The method advocated, called the disquotation theory of propositional content, applies to modeling formally propositional attitude sentences, as well as modal and deontic sentences. Exploiting the resources of event semantics, the method generates intensional contexts of the highest degree, then allows relaxations via added axioms.