A Semantic Perspective on Belief Change in a Preferential Non-Monotonic Framework

Casini, Giovanni and Ferme, Eduardo and Meyer, Thomas and Varzinczak, Ivan (2018) A Semantic Perspective on Belief Change in a Preferential Non-Monotonic Framework, Proceedings of 16th International Conference on Principles of Knowledge Representation and Reasoning, 30 October - 2 November 2018, Phoenix, Arizona, USA, 220-229, AAAI Press.

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Belief change and non-monotonic reasoning are usually viewed as two sides of the same coin, with results showing that one can formally be defined in terms of the other. In this paper we investigate the integration of the two formalisms by studying belief change for a (preferential) non-monotonic framework. We show that the standard AGM approach to be- lief change can be transferred to a preferential non-monotonic framework in the sense that change operations can be defined on conditional knowledge bases. We take as a point of depar- ture the results presented by Casini and Meyer (2017), and we develop and extend such results with characterisations based on semantics and entrenchment relations, showing how some of the constructions defined for propositional logic can be lifted to our preferential non-monotonic framework.

Item Type: Conference paper
Uncontrolled Keywords: Belief Revision Non-monotonic reasoning
Subjects: Computing methodologies > Artificial intelligence
Date Deposited: 10 Jan 2019
Last Modified: 10 Oct 2019 15:31
URI: http://pubs.cs.uct.ac.za/id/eprint/1303

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