The relative completeness of a version of CTL

  • Authors:
  • Hidetomo Machi;Kohji Tomita;Chiharu Hosono

  • Affiliations:
  • University of Tsukuba, Japan;National Institute of Advanced Industrial Science and Technology (AIST), Japan;University of Tsukuba, Japan

  • Venue:
  • CATS '05 Proceedings of the 2005 Australasian symposium on Theory of computing - Volume 41
  • Year:
  • 2005

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Abstract

We show the relative completeness of a version of CTL* over possibly infinite states. It is based on a fair discrete system, which is with strong and weak fairness. Validity of a CTL* formula is reduced to the validity of an assertion by eliminating the temporal operators and path quantifiers inductively. The idea is to represent the predicate describing that "a fair path begins with the current state" in the underlying assertion language using fixpoint operators.