Generalized fair termination

  • Authors:
  • Nissim Francez;Dexter Kozen

  • Affiliations:
  • Computer Science Department, Technion-lsrael Institute of Technology, Haifa 32000, Israel;Dept. of Computer Science, Mathematical Sciences Department, IBM T. J. Watson Research Center, Yorktown Heights, N. Y.

  • Venue:
  • POPL '84 Proceedings of the 11th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
  • Year:
  • 1984

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Abstract

We present a generalization of the known fairness and equifairness notions, called @@@@-fairness, in three versions: unconditional, weak and strong. For each such version, we introduce a proof rule for the @@@@-fair termination induced by it, using well-foundedness and countable ordinals. Each such rule is proved to be sound and semantically complete. We suggest directions for further research.