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Saarland University Computer Science

Clausal Tableaux for Hybrid PDL

Mark Kaminski, Gert Smolka

Technical Report, Saarland University, March 2010

We present the first tableau-based decision procedure for PDL with nominals. The procedure is based on a prefix-free clausal tableau system designed as a basis for gracefully degrading reasoners. The clausal system factorizes reasoning into regular, propositional, and modal reasoning. This yields a modular decision procedure and pays off in transparent correctness proofs.

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