Subtyping recursive games

  • Authors:
  • Juliusz Chroboczek

  • Affiliations:
  • Université de Paris VII, Paris, France

  • Venue:
  • TLCA'01 Proceedings of the 5th international conference on Typed lambda calculi and applications
  • Year:
  • 2001

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Abstract

Using methods drawn from Game Semantics, we build a sound and computationally adequate model of a simple calculus that includes both subtyping and recursive types. Our model solves recursive type equations up to equality, and is shown to validate a subtyping rule for recursive types proposed by Amadio and Cardelli.