Norm Modifications in Defeasible Logic

  • Authors:

  • Guido Governatori;Monica Palmirani;Regis Riveret;Antonio Rotolo;Giovanni Sartor

  • Affiliations:

  • School of ITEE, University of Queensland;CIRSFID, University of Bologna;CIRSFID, University of Bologna;CIRSFID, University of Bologna;CIRSFID, University of Bologna

  • Venue:
  • Proceedings of the 2005 conference on Legal Knowledge and Information Systems: JURIX 2005: The Eighteenth Annual Conference
  • Year:
  • 2005

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Abstract

This paper proposes a framework based on Defeasible Logic (DL) to reason about normative modifications. We show how to express them in DL and how the logic deals with conflicts between temporalised normative modifications. Some comments will be given with regard to the phenomenon of retroactivity.