Effective Cut-elimination for a Fragment of Modal mu-calculus |
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Authors: | Grigori Mints |
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Institution: | 1. Department of Philosophy, Stanford University, 450 Serra Mall, Stanford, Ca, 94305-2155, USA
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Abstract: | A non-effective cut-elimination proof for modal mu-calculus has been given by G. J?ger, M. Kretz and T. Studer. Later an effective proof has been given for a subsystem M 1 with non-iterated fixpoints and positive endsequents. Using a new device we give an effective cut-elimination proof for M 1 without restriction to positive sequents. |
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