Continuous semantics for strong normalization

  • Authors:
  • Ulrich Berger

  • Affiliations:
  • Department of Computer Science, University of Wales Swansea, Swansea, UK

  • Venue:
  • CiE'05 Proceedings of the First international conference on Computability in Europe: new Computational Paradigms
  • Year:
  • 2005

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Abstract

We prove a general strong normalization theorem for higher type rewrite systems based on Tait's strong computability predicates and a strictly continuous domain-theoretic semantics. The theorem applies to extensions of Gödel's system T but also to various forms of bar recursion for which strong normalization was hitherto unknown.