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Extended Resolution Proofs for Conjoining BDDs

  • Carsten Sinz
  • Armin Biere
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3967)

Abstract

We present a method to convert the construction of binary decision diagrams (BDDs) into extended resolution proofs. Besides in proof checking, proofs are fundamental to many applications and our results allow the use of BDDs instead—or in combination with—established proof generation techniques, based for instance on clause learning. We have implemented a proof generator for propositional logic formulae in conjunctive normal form, called EBDDRES. We present details of our implementation and also report on experimental results. To our knowledge this is the first step towards a practical application of extended resolution.

Keywords

Conjunctive Normal Form Cache Line Binary Decision Diagram Trace Format Empty Clause 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Carsten Sinz
    • 1
  • Armin Biere
    • 1
  1. 1.Institute for Formal Models and VerificationJohannes Kepler UniversityLinzAustria

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