The Tableau Workbench

  • Authors:
  • Pietro Abate;Rajeev Goré

  • Affiliations:
  • Computer Sciences Laboratory, The Australian National University, Canberra ACT 0200, Australia;Computer Sciences Laboratory, The Australian National University, Canberra ACT 0200, Australia

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2009

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Abstract

The Tableau Workbench (TWB) is a generic framework for building automated theorem provers for arbitrary propositional logics. The TWB has a small core that defines its general architecture, some extra machinery to specify tableau-based provers and an abstraction language for expressing tableau rules. This language allows users to ''cut and paste'' tableau rules from textbooks and to specify a search strategy for applying those rules in a systematic manner. A new logic module defined by a user is translated and compiled with the proof engine to produce a specialized theorem prover for that logic. The TWB provides various hooks for implementing blocking techniques using histories and variables, as well as hooks for utilising/defining optimisation techniques. We describe the latest version of the TWB which has changed substantially since our system description in TABLEAUX 2003.