In Tomer Libal, Matteo Pascucci, Leendert van der Torre & Dov Gabbay (eds.),
Proceedings of FCR-2020. CEUR Workshop Proceedings. pp. 41-54 (
2020)
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Abstract
In the present work we illustrate how two sorts of defeasible reasoning that are fundamental in the normative domain, that is, reasoning about exceptions and reasoning about violations, can be simulated via monotonic propositional theories based on a bimodal language with primitive operators representing knowledge and obligation. The proposed theoretical framework paves the way to using native theorem provers for multimodal logic, such as MleanCoP, in order to automate normative reasoning.