Jumping and escaping: Modular termination and the abstract path ordering

  • Authors:
  • Nachum Dershowitz

  • Affiliations:
  • -

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2012

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Abstract

Combinatorial commutation properties for reordering a sequence consisting of two kinds of steps, and for separating the well-foundedness of their combination into well-foundedness of each, are investigated. A weak commutation property, called ''jumping'', along with a weakened version of the lifting property, called ''escaping'' and requiring only an eventual lifting, are used for proving well-foundedness of a generic, abstract version of the recursive path orderings.