Deontics = betterness + priority

Authors:
Johan Van Benthem;Davide Grossi;Fenrong Liu
Affiliations:
Institute for Logic, Language and Computation, University of Amsterdam, Amsterdam, The Netherlands and Department of Philosophy, Stanford University, Stanford, California;Institute for Logic, Language and Computation, University of Amsterdam, Amsterdam, The Netherlands;Department of Philosophy, Tsinghua University, Beijing, China
Venue:
DEON'10 Proceedings of the 10th international conference on Deontic logic in computer science
Year:
2010

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Abstract

This paper looks at deontic logic as resulting from both a betterness ordering on states (i.e., a 'deontic preference') and a priority ordering on properties (i.e., a 'law' explicitly representing a standard of behavior). The correspondence between these two orderings offers a rich perspective from which to look at deontic scenarios and puzzles, and in particular at contrary-to-duties. The framework naturally lends itself to describing dynamics involving both orderings, thereby providing a new analysis of norm change as 'betterness change'.