Studia Logica 59 (3):397-415 (1997)

Paul McNamara
University of New Hampshire, Durham
Edwin Mares
Victoria University of Wellington
In "Doing Well Enough: Toward a Logic for Common Sense Morality", Paul McNamara sets out a semantics for a deontic logic which contains the operator It is supererogatory that. As well as having a binary accessibility relation on worlds, that semantics contains a relative ordering relation, . For worlds u, v and w, we say that u w v when v is at least as good as u according to the standards of w. In this paper we axiomatize logics complete over three versions of the semantics. We call the strongest of these logics DWE for Doing Well Enough.
Keywords modal logic  deontic logic  supererogation  deontic modals, modals  DWE
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DOI 10.1023/A:1005040513277
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Deontic Logic.Paul McNamara - 2010 - Stanford Encyclopedia of Philosophy.
The Geometry of Standard Deontic Logic.Alessio Moretti - 2009 - Logica Universalis 3 (1):19-57.

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