The representation of an evolving system of legal concepts: II. phototypes and deformations

  • Authors:
  • L. Thorne MeCarty;N. S. Sridharan

  • Affiliations:
  • Faculty of Law and Jurisprudence, Stata University of New York at Buffalo;Department of Computer Science, Rutgars University

  • Venue:
  • IJCAI'81 Proceedings of the 7th international joint conference on Artificial intelligence - Volume 1
  • Year:
  • 1981

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Abstract

One of the principal goals of the TAXMAN project is to develop a theory about the structure and dynamics of legal concepts, using corporate tax law as an experimental problem domain In this paper we describe the "prototype* plus-deformation" model of legal conceptual structure a concept is represented here by a prototypical description plus a sequence of deformations of the prototype, where the deformations are selected from among the possible "mappmga" of one concrete description into another The paper focuses on the set of mappings, which is the most important component of the model because it makes manifest the basic coherence of the conceptual space The syntax and semantics of the mappings are described, and their role in the process of legal argument is suggested The formal modal is then illustrated by examples drawn from Eisner v Macomber, an early stock dividend case.