Descendants and Head Normalization of Higher-Order Rewrite Systems

  • Authors:
  • Hideto Kasuya;Masahiko Sakai;Kiyoshi Agusa

  • Affiliations:
  • -;-;-

  • Venue:
  • FLOPS '02 Proceedings of the 6th International Symposium on Functional and Logic Programming
  • Year:
  • 2002

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Abstract

This paper describes an extension of head-needed rewriting on term rewriting systems to higher-order rewrite systems. The main difficulty of this extension is caused by the 脽-reductions induced from the higher-order reductions. In order to overcome this difficulty, we define a new descendant of higher-order rewrite systems. This paper shows the new definition of descendant, its properties and head normalization of head-needed rewriting on orthogonal higher-order rewrite systems.