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Towards Symbolic Factual Change in DEL (1912.10717v1)
Published 23 Dec 2019 in cs.LO and cs.SC
Abstract: We extend symbolic model checking for Dynamic Epistemic Logic (DEL) with factual change. Our transformers provide a compact representation of action models with pre- and postconditions, for both S5 and the general case. The method can be implemented using binary decision diagrams and we expect it to improve model checking performance. As an example we give a symbolic representation of the Sally-Anne false belief task.