Supererogation in deontic logic: Metatheory for DWE and some close neighbours

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



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Author Profiles

Paul McNamara
University of New Hampshire, Durham
Edwin Mares
Victoria University of Wellington

Citations of this work

Supererogation and Conditional Obligation.Daniel Muñoz & Theron Pummer - 2022 - Philosophical Studies 179 (5):1429–1443.
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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References found in this work

Modal Logic: An Introduction.Brian F. Chellas - 1980 - New York: Cambridge University Press.
Counterfactuals.David Lewis - 1973 - Tijdschrift Voor Filosofie 36 (3):602-605.
Must I do what I ought (or will the least I can do do)?Paul McNamara - 1996 - In Mark Brown & Jose' Carmo (eds.), Deontic Logic, Agency and Normative Systems. Berlin: Springer-Verlag. pp. 154-173.
The Deontic Quadecagon.Paul F. Mcnamara - 1990 - Dissertation, University of Massachusetts Amherst

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