Regular linear temporal logic

  • Authors:
  • Martin Leucker;César Sánchez

  • Affiliations:
  • Institut für Informatik, TU München, Germany;Computer Science Department, Stanford University, Stanford and Computer Engineering Department, University of California, Santa Cruz

  • Venue:
  • ICTAC'07 Proceedings of the 4th international conference on Theoretical aspects of computing
  • Year:
  • 2007

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Abstract

We present regular linear temporal logic (RLTL), a logic that generalizes linear temporal logic with the ability to use regular expressions arbitrarily as sub-expressions. Every LTL operator can be defined as a context in regular linear temporal logic. This implies that there is a (linear) translation from LTL to RLTL. Unlike LTL, regular linear temporal logic can define all ω-regular languages, while still keeping the satisfiability problem in PSPACE. Unlike the extended temporal logics ETL*, RLTL is defined with an algebraic signature. In contrast to the linear time µ-calculus, RLTL does not depend on fix-points in its syntax.