Discussion paper: changing norms is changing obligation change

  • Authors:
  • Jan Broersen;Dov Gabbay;Leendert van der Torre

  • Affiliations:
  • Utrecht University, The Netherlands;Bar Ilan University, Israel,King's College London, UK,University of Luxembourg, Luxembourg;University of Luxembourg, Luxembourg

  • Venue:
  • DEON'12 Proceedings of the 11th international conference on Deontic Logic in Computer Science
  • Year:
  • 2012

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Abstract

Norm change is one of the main challenges for normative reasoning. This discussion paper presents some novel informal and semi-formal ideas regarding the nature and formalization of norm change. First, we contrast the second-order nature of norm change with the first-order nature of obligation change. Second, we discuss how to change the normative system to avoid future obligations in the input/output logic framework, which explicitly distinguishes norms from obligations. Third, we present a semantical two dimensional view on change. Fourth, we illustrate norm change using automata changing automata. Fifth, we compare norm change with analogous mechanisms in non-normative contexts.