Normalisation in Weakly Orthogonal Rewriting

  • Authors:
  • Vincent van Oostrom

  • Affiliations:
  • -

  • Venue:
  • RtA '99 Proceedings of the 10th International Conference on Rewriting Techniques and Applications
  • Year:
  • 1999

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Abstract

A rewrite sequence is said to be outermost-fair if every outermost redex occurrence is eventually eliminated. Outermost-fair rewriting is known to be (head-)normalising for almost orthogonal rewrite systems. We study (head-)normalisation for the larger class of weakly orthogonal rewrite systems. (Infinitary) normalisation is established and a counterexample against head-normalisation is given.