Deciding H1 by resolution

  • Authors:
  • Jean Goubault-Larrecq

  • Affiliations:
  • LSV/UMR 8643, CNRS, ENS Cachan & INRIA Futurs project SECSI, 61, av. du préésident-Wilson, 94235 Cachan Cedex, France

  • Venue:
  • Information Processing Letters
  • Year:
  • 2005

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Abstract

Nielson, Nielson and Seidl's class H"1 is a decidable class of first-order Horn clause sets, describing strongly regular relations. We give another proof of decidability, and of the regularity of the defined languages, based on fairly standard automated deduction techniques.