Strong normalization proofs by CPS-translations

  • Authors:
  • Satoshi Ikeda;Koji Nakazawa

  • Affiliations:
  • Graduate School of Informatics, Kyoto University, Kyoto, Japan;Graduate School of Informatics, Kyoto University, Kyoto, Japan

  • Venue:
  • Information Processing Letters
  • Year:
  • 2006

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Abstract

This paper proposes a new proof method for strong normalization of classical natural deduction and calculi with control operators. For this purpose, we introduce a new CPS-translation, continuation and garbage passing style (CGPS) translation. We show that this CGPS-translation method gives simple proofs of strong normalization of λµ→∧∨⊥, which is introduced in [P. de Groote, Strong normalization of classical natural deduction with disjunction, in: S. Abramsky (Ed.), Typed Lambda Calculi and Applications, 5th International Conference, TLCA 2001, in: Lecture Notes in Comput. Sci., vol. 2044, Springer, Berlin, 2001, pp. 182-196] by de Groote and corresponds to the classical natural deduction with disjunctions and permutative conversions.