Prioritized and Non-prioritized Multiple Change on Belief Bases

In this article we explore multiple change operators, i.e., operators in which the epistemic input is a set of sentences instead of a single sentence. We propose two types of change: prioritized change, in which the input set is fully accepted, and symmetric change, where both the epistemic state an...

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Bibliographic Details
Published in:Journal of philosophical logic 2012-02, Vol.41 (1), p.77-113
Main Authors: Falappa, Marcelo A., Kern-Isberner, Gabriele, Reis, Maurício D. L., Simari, Guillermo R.
Format: Article
Language:English
Subjects:
Artificial intelligence
Axioms
Belief
Belief & doubt
Education
Epistemology
Justified beliefs
Logic
Logical postulates
Mathematical functions
Philosophy
Symbolism
Syntax
Uniformity
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Summary:In this article we explore multiple change operators, i.e., operators in which the epistemic input is a set of sentences instead of a single sentence. We propose two types of change: prioritized change, in which the input set is fully accepted, and symmetric change, where both the epistemic state and the epistemic input are equally treated. In both kinds of operators we propose a set of postulates and we present different constructions: kernel changes and partial meet changes.
ISSN:0022-3611
1573-0433
DOI:10.1007/s10992-011-9200-8