Extending the explicit substitution paradigm

  • Authors:
  • Delia Kesner;Stéphane Lengrand

  • Affiliations:
  • PPS, Université Paris 7, France;PPS, Université Paris 7, France

  • Venue:
  • RTA'05 Proceedings of the 16th international conference on Term Rewriting and Applications
  • Year:
  • 2005

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Abstract

We present a simple term language with explicit operators for erasure, duplication and substitution enjoying a sound and complete correspondence with the intuitionistic fragment of Linear Logic's Proof Nets. We establish the good operational behaviour of the language by means of some fundamental properties such as confluence, preservation of strong normalisation, strong normalisation of well-typed terms and step by step simulation. This formalism is the first term calculus with explicit substitutions having full composition and preserving strong normalisation.