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Modeling Permutations in Coq for Coccinelle

  • Evelyne Contejean
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4600)

Abstract

In this paper we present the part of the Coccinelle library which deals with list permutations. Indeed permutations naturally arise when formally modeling rewriting in Coq, for instance RPO with multiset status and equality modulo AC. Moreover the needed permutations are up to an equivalence relation, and may be used to inductively define the same relation (equivalence modulo RPO). This is why we introduce the notion of permutation w. r. t. an arbitrary relation. The advantages of our approach are a very simple inductive definition (with only 2 constructors), the adequacy with the mathematical definition, the ability to define a relation using recursively permutations up to this very relation, and a fine grained modularity (if R enjoys a property, so does permut R).

Keywords

Recursive Call Arbitrary Relation Modeling Permutation Binary Function Symbol List Permutation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Evelyne Contejean
    • 1
  1. 1.Laboratoire de Recherche en Informatique, CNRS, Univ Paris-Sud, Orsay F-91405, INRIA Futurs, ProVal, Parc Orsay Université, F-91893 

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