Multiplexor Categories and Models of Soft Linear Logic

  • Authors:
  • Brian F. Redmond

  • Affiliations:
  • Department of Mathematics & Statistics, University of Ottawa, 585 King Edward Avenue, Ottawa ON K1N 6N5, Canada

  • Venue:
  • LFCS '07 Proceedings of the international symposium on Logical Foundations of Computer Science
  • Year:
  • 2007

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Abstract

We give a categorical interpretation of Lafont's Soft Linear Logic, a logical system complete for polynomial time computation, in terms of multiplexor categories. We present two main classes of models and methods for constructing examples in each case. As a concrete example of the first type, we introduce a simple game semantics for Multiplicative Soft Linear Logic. To illustrate the second type, we give a realizability model and a new proof of the polytime soundness of Soft Linear Logic. These results further our semantic understanding of Soft Linear Logic and polynomial time.