Notes on sconing and relators

  • John C. Mitchell
  • Andre Scedrov
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 702)


This paper describes a semantics of typed lambda calculi based on relations. The main mathematical tool is a category-theoretic method of sconing, also called glueing or Freyd covers. Its correspondence to logical relations is also examined.


Toll Cali 


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Copyright information

© Springer-Verlag 1993

Authors and Affiliations

  • John C. Mitchell
    • 1
    • 2
  • Andre Scedrov
    • 1
    • 2
  1. 1.Department of Computer ScienceStanford UniversityStanford
  2. 2.Department of MathematicsUniversity of PennsylvaniaPhiladelphia

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