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OBLIGATION, FREE CHOICE, AND THE LOGIC OF WEAKEST PERMISSIONS

Published online by Cambridge University Press:  28 July 2015

ALBERT J.J. ANGLBERGER*
Affiliation:
Munich Center for Mathematical Philosophy, LMU Munich
NOBERT GRATZL*
Affiliation:
Munich Center for Mathematical Philosophy, LMU Munich
OLIVIER ROY*
Affiliation:
Universität Bayreuth
*
*MUNICH CENTER FOR MATHEMATICAL PHILOSOPHY LMU MUNICH FAKULTÄT FÜR PHILOSOPHIE, WISSENSCHAFTSTHEORIE UND RELIGIONSWISSENSCHAFT MUNICH CENTER FOR MATHEMATICAL PHILOSOPHY GESCHWISTER-SCHOLL-PLATZ 1 D-80539 MÜNCHEN E-mail: [email protected]
MUNICH CENTER FOR MATHEMATICAL PHILOSOPHY LMU MUNICH FAKULTÄT FÜR PHILOSOPHIE, WISSENSCHAFTSTHEORIE UND RELIGIONSWISSENSCHAFT MUNICH CENTER FOR MATHEMATICAL PHILOSOPHY GESCHWISTER-SCHOLL-PLATZ 1 D-80539 MÜNCHEN E-mail: [email protected]
UNIVERSITÄT BAYREUTH DEPARTMENT OF PHILOSOPHY D-95440 BAYREUTH E-mail: [email protected]

Abstract

We introduce a new understanding of deontic modals that we call obligations as weakest permissions. We argue for its philosophical plausibility, study its expressive power in neighborhood models, provide a complete Hilbert-style axiom system for it and show that it can be extended and applied to practical norms in decision and game theory.

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 2015 

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