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  1. A Resolution Calculus For Shortening Proofs.Nicolas Peltier - 2005 - Logic Journal of the IGPL 13 (3):307-333.
    We propose an extended resolution calculus called δm-resolution, aiming at reducing the length of the proofs without increasing too much the branching factor of the procedure. The soundness and refutational completeness of the new calculus is proven. We provide numerous examples showing the possibilities of our calculus and we show that δm-resolution allows to reduce the length of proof by a double exponential factor. We compare our calculus with the quantifier introduction method developed by Baaz, Leitsch and Egly and prove (...)
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  • Proof Theory of Finite-valued Logics.Richard Zach - 1993 - Dissertation, Technische Universität Wien
    The proof theory of many-valued systems has not been investigated to an extent comparable to the work done on axiomatizatbility of many-valued logics. Proof theory requires appropriate formalisms, such as sequent calculus, natural deduction, and tableaux for classical (and intuitionistic) logic. One particular method for systematically obtaining calculi for all finite-valued logics was invented independently by several researchers, with slight variations in design and presentation. The main aim of this report is to develop the proof theory of finite-valued first order (...)
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