Realisability and Adequacy for (Co)induction

Author Ulrich Berger



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Ulrich Berger

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Ulrich Berger. Realisability and Adequacy for (Co)induction. In 6th International Conference on Computability and Complexity in Analysis (CCA'09). Open Access Series in Informatics (OASIcs), Volume 11, pp. 49-60, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009) https://doi.org/10.4230/OASIcs.CCA.2009.2258

Abstract

We prove the correctness of a formalised realisability interpretation of extensions of first-order theories by inductive and coinductive definitions in an untyped $\lambda$-calculus with fixed-points. We illustrate the use of this interpretation for program extraction by some simple examples in the area of exact real number computation and hint at further non-trivial applications in computable analysis.

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Keywords
  • Constructive Analysis
  • realisability
  • program extraction
  • semantics

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