Poset-valued sets or how to build models for linear logics

  • Authors:
  • Andrea Schalk;Valeria de Paiva

  • Affiliations:
  • Department of Computer Science, University of Manchester, Oxford Rd, Manchester, M13 gPL, UK;Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, CA

  • Venue:
  • Theoretical Computer Science - Mathematical foundations of programming semantics
  • Year:
  • 2004

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Abstract

We describe a method for constructing models of linear logic based on the category of sets and relations. The resulting categories are non-degenerate in general; in particular they are not compact closed nor do they have biproducts. The construction is simple, lifting the structure of a poset to the new category. The underlying poset thus controls the structure of this category, and different posets give rise to differently-flavoured models. As a result, this technique allows the construction of models for both, intuitionistic or classical linear logic as desired. A number of well-known models, for example coherence spaces and hypercoherences, are instances of this method.