Indexed on: 28 Feb '18Published on: 25 Feb '18Published in: Theoretical Computer Science
Publication date: Available online 12 February 2018 Source:Theoretical Computer Science Author(s): Frédéric Blanqui, Jean-Pierre Jouannaud, Mitsuhiro Okada In a previous work ( data type systems, Theoret. Comput. Sci. 173 (2) (1997)), the last two authors presented a combined language made of a (strongly normalizing) algebraic rewrite system and a typed lambda-calculus enriched by pattern-matching definitions following a certain format, called the “General Schema”, which generalizes the usual recursor definitions for natural numbers and similar “basic inductive types”. This combined language was shown to be strongly normalizing. The purpose of this paper is to reformulate and extend the General Schema in order to make it easily extensible, to capture a more general class of inductive types, called “strictly positive”, and to ease the strong normalization proof of the resulting system. This result provides a computation model for the combination of an algebraic specification language based on abstract data types and of a strongly typed functional language with strictly positive inductive types.
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