Recursive path orderings can also be incremental

  • Authors:
  • Mirtha-Lina Fernández;Guillem Godoy;Albert Rubio

  • Affiliations:
  • Universidad de Oriente, Santiago de Cuba, Cuba;Universitat Politècnica de Catalunya, Barcelona, España;Universitat Politècnica de Catalunya, Barcelona, España

  • Venue:
  • LPAR'05 Proceedings of the 12th international conference on Logic for Programming, Artificial Intelligence, and Reasoning
  • Year:
  • 2005

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Abstract

In this paper the Recursive Path Ordering is adapted for proving termination of rewriting incrementally. The new ordering, called Recursive Path Ordering with Modules, has as ingredients not only a precedence but also an underlying ordering $\sqsupset_{B}$. It can be used for incremental (innermost) termination proofs of hierarchical unions by defining $\sqsupset_{B}$as an extension of the termination proof obtained for the base system. Furthermore, there are practical situations in which such proofs can be done modularly.