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  • Ranking kinematics for revi...
    Sezgin, Meliha; Kern-Isberner, Gabriele; Beierle, Christoph

    Annals of mathematics and artificial intelligence, 11/2021, Letnik: 89, Številka: 10-11
    Journal Article

    Probability kinematics is a leading paradigm in probabilistic belief change. It is based on the idea that conditional beliefs should be independent from changes of their antecedents' probabilities. In this paper, we propose a re-interpretation of this paradigm for Spohn's ranking functions which we call Generalized Ranking Kinematics as a new principle for iterated belief revision of ranking functions by sets of conditional beliefs with respect to their specific subcontext. By taking into account semantical independencies, we can reduce the complexity of the revision task to local contexts. We show that global belief revision can be set up from revisions on the local contexts via a merging operator. Furthermore, we formalize a variant of the Ramsey-Test based on the idea of local contexts which connects conditional and prepositional revision in a straightforward way. We extend the belief change methodology of c-revisions to strategic c-revisions which will serve as a proof of concept. Keywords Iterated belief revision * Kinematics * Spohn's ranking functions * Jeffrey's rule Mathematics Subject Classification (2010) 68T30 Knowledge representation