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15 dicembre 2021: Richard Booth: Conditional Inference under Disjunctive Rationality

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Luci Lunch Seminars - Autumn 2021 Series - a cura del Logic Group del Dipartimento di Filosofia "Piero Martinetti"

Richard Booth (Cardiff University)

Conditional Inference under Disjunctive Rationality


15 dicembre 2021: Piattaforma Zoom, ore 13:00-15:00.

In order to obtain the link for the webinar, please write to: logic.unimi@gmail.com

Abstract:

The question of conditional inference, i.e., of which conditional sentences of the form “if α then, normally, β” should follow from a set KB of such sentences, has been one of the classic questions of AI, with several well-known solutions proposed. Perhaps the most notable is the rational closure construction of Lehmann and Magidor, under which the set of inferred conditionals forms a rational consequence relation, i.e., satisfies all the rules of preferential reasoning, plus Rational Monotonicity. However, this last named rule is not universally accepted, and other researchers have advocated working within the larger class of disjunctive consequence relations, which satisfy the weaker requirement of Disjunctive Rationality. While there are convincing arguments that the rational closure forms the “simplest” rational consequence relation extending a given set of conditionals, the question of what is the simplest disjunctive consequence relation has not been explored. In this talk, we propose a solution to this question and explore some of its properties. (This is joint work with Ivan Varzinczak.)


La conferenza si terrà in inglese.

La partecipazione alla conferenza è fortemente consigliata agli allievi della Scuola di Dottorato in Filosofia e Scienze dell’Uomo e della Scuola di Dottorato di Mente, Cervello e Ragionamento.

La partecipazione è aperta a tutti gli interessati. 

ORGANIZERS
The Logic Group, Department of Philosophy, University of Milan - luci.unimi.it

15 dicembre 2021
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