It is shown how self-resolving clauses like symmetry or transitivity, or even clauses like condensed detachment, can faithfully be deleted from the clause set thus eliminating or ...
Friedman showed how to turn a classical proof of a Σ0 1 formula into an intuitionistic proof of the same formula, thus giving an effective method to extract witnesses from classi...
CYNTHIA is a novel editor for the functional programming language ML in which each function definition is represented as the proof of a simple specification. Users of CYNTHIA edit...
Jon Whittle, Alan Bundy, Richard J. Boulton, Helen...
One of the starting points of propositional proof complexity is the seminal paper by Cook and Reckhow [6], where they defined propositional proof systems as poly-time computable f...