A Generalization of Staalmarck's Method
University of Wisconsin-Madison Department of Computer Sciences
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This paper gives an account of Staalmarck's method for validity checking of propositional-logic formulas, and explains each of the key components in terms of concepts from the field of abstract interpretation. We then use these insights to present a framework for propositional-logic validity-checking algorithms that is parametrized by an abstract domain and operations on that domain. Staalmarck's method is one instantiation of the framework; other instantiations lead to new decision procedures for propositional logic.