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Functional interpretation and inductive definitions

Published online by Cambridge University Press:  12 March 2014

Jeremy Avigad
Affiliation:
Department of Philosophy and Department of Mathematical Sciences, Carnegie Mellon University, Pittsburgh, Pa 15213, USA, E-mail: avigad@cmu.edu
Henry Towsner
Affiliation:
University of California, Los Angeles 520 Portola Plaza Math Sciences Building 6363 Mailcode: 155505 Los Angeles, Ca 90095, USA, E-mail: hpt@math.ucla.edu

Abstract

Extending Gödel's Dialectica interpretation, we provide a functional interpretation of classical theories of positive arithmetic inductive definitions, reducing them to theories of finite-type functionals defined using transfinite recursion on well-founded trees.

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 2009

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