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Iterated Deontic Modalities

Ruth Barcan Marcus

in Modalities: Philosophical Essays

Published in print:
1995
Published Online:
November 2003
ISBN:
9780195096576
eISBN:
9780199833412
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0195096576.003.0002
Subject:
Philosophy, General

In this paper, a confusion between evaluative and prescriptive uses of “ought” is located, and the prescriptive use of deontic operators is then recommended.


Reasons as Defaults

John F. Horty

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199744077
eISBN:
9780199932566
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199744077.001.0001
Subject:
Philosophy, Logic/Philosophy of Mathematics

Although the study of reasons plays an important role in both epistemology and moral philosophy, little attention has been devoted to the question of how, exactly, reason interact to support the ... More


Obligation and Permission

Pavlos Eleftheriadis

in Legal Rights

Published in print:
2008
Published Online:
January 2009
ISBN:
9780199545285
eISBN:
9780191719899
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199545285.003.0005
Subject:
Law, Philosophy of Law

This chapter explores the ways in which deontic logic and the basic distinction between obligation and permission may illuminate the theory of legal rights. It is argued that deontic logic does not ... More


Divine Commands and Deontic Logics

Philip L. Quinn

in Divine Commands and Moral Requirements

Published in print:
1978
Published Online:
October 2011
ISBN:
9780198244134
eISBN:
9780191680755
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198244134.003.0005
Subject:
Philosophy, Philosophy of Religion

Deontic logics are formal systems that capture the logical principles which govern reasoning involving what ought to be. Sometimes, what ought to be is thought of, narrowly, as encompassing no more ... More


Context and the Logic of ‘Ought’

Ralph Wedgwood

in The Nature of Normativity

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199251315
eISBN:
9780191719127
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199251315.003.0006
Subject:
Philosophy, Moral Philosophy

This chapter examines how this semantic account can be developed in order to enable it to deal with some other semantic issues. First, this account can give a good account of deontic logic (the logic ... More


Agency and Deontic Logic

John F. Horty

Published in print:
2001
Published Online:
November 2003
ISBN:
9780195134612
eISBN:
9780199833269
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/0195134613.001.0001
Subject:
Philosophy, Moral Philosophy

Develops deontic logic against the background of a rigorous theory of agency in branching, or indeterministic, time. It is often assumed that the notion of what an agent ought to do can be identified ... More


The Logic of Modality

A. N. Prior

in Formal Logic

Published in print:
1963
Published Online:
October 2011
ISBN:
9780198241560
eISBN:
9780191680373
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198241560.003.0008
Subject:
Philosophy, Logic/Philosophy of Mathematics

A division of propositions that was given some prominence in the logic of Aristotle and the Schoolmen is that into propositions simply asserting that something is or not so; and ones asserting that ... More


Ought to Be

John F. Horty

in Agency and Deontic Logic

Published in print:
2001
Published Online:
November 2003
ISBN:
9780195134612
eISBN:
9780199833269
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0195134613.003.0003
Subject:
Philosophy, Moral Philosophy

Supplements the background theory of indeterministic time with a standard deontic logic, representing what ought to be the case. Taken together with the formal notion of action introduced in the ... More


Passing the Deontic Buck *

Matt Bedke

in Oxford Studies in Metaethics: Volume 6

Published in print:
2011
Published Online:
September 2011
ISBN:
9780199606375
eISBN:
9780191729478
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606375.003.0006
Subject:
Philosophy, Metaphysics/Epistemology

This chapter explores buck-passing analyses of deontic properties in terms of reasons. The preferred analysis is that the permissibility / impermissibility / optionality / requiredness /etc. of some ... More


Reasons and oughts

John F. Horty

in Reasons as Defaults

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199744077
eISBN:
9780199932566
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199744077.003.0003
Subject:
Philosophy, Logic/Philosophy of Mathematics

The goal of this chapter is to explain how the various reasons at work in a situation can support conclusions about what an agent ought to do—in the language of Ross, how prima facie duties, or prima ... More


Norms and the Philosophy of Law

Graham Priest

in In Contradiction

Published in print:
2006
Published Online:
May 2007
ISBN:
9780199263301
eISBN:
9780191718823
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199263301.003.0014
Subject:
Philosophy, Logic/Philosophy of Mathematics

The last two chapters were devoted to empirical dialetheias produced by the natural world. This chapter discusses some produced by the social world, in particular, dialetheias that are produced by ... More


BEYOND VAPORWARE?

Wendell Wallach and Colin Allen

in Moral Machines: Teaching Robots Right from Wrong

Published in print:
2009
Published Online:
January 2009
ISBN:
9780195374049
eISBN:
9780199871889
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195374049.003.0010
Subject:
Philosophy, Moral Philosophy

A goal of machine morality is not just to raise many questions but to provide a resource for further development of artificial moral agents. Chapter 9 surveys software that is currently under ... More


Modalities: Philosophical Essays

Ruth Barcan Marcus

Published in print:
1995
Published Online:
November 2003
ISBN:
9780195096576
eISBN:
9780199833412
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/0195096576.001.0001
Subject:
Philosophy, General

This book is a collection of papers by Ruth Barcan Marcus, covering much ground in the development of her thought, and spanning from 1961 to 1990. Many of the papers deal with logical, semantic, ... More


Dynamic Foundations for Deontic Logic

Malte Willer

in Deontic Modality

Published in print:
2016
Published Online:
August 2016
ISBN:
9780198717928
eISBN:
9780191787393
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198717928.003.0012
Subject:
Philosophy, Philosophy of Language, Metaphysics/Epistemology

Several authors have observed that the tools and techniques developed within the field of nonmonotonic logic provide a fruitful framework for the theoretical study of deontic discourse and reasoning. ... More


Moral conflicts

John F. Horty

in Reasons as Defaults

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199744077
eISBN:
9780199932566
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199744077.003.0004
Subject:
Philosophy, Logic/Philosophy of Mathematics

This chapter appraises the possibility of all things considered moral conflicts. The chapter considers three kinds of objections to the possibility, based on considerations from deontic logic, on ... More


Von Wright on Deontic Logic and the Philosophy of Law (1973/89)*

Carlos E. Alchourrón

in Essays in Legal Philosophy

Published in print:
2015
Published Online:
September 2015
ISBN:
9780198729365
eISBN:
9780191796272
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198729365.003.0007
Subject:
Law, Philosophy of Law

This chapter shows the relevance and fruitfulness of Georg Henrik von Wright’s work for legal philosophy. It also illustrates what sort of transformation or adaptation is needed in order to render ... More


Aspects of Eugenio Bulygin’s Norm Theory*

Risto Hilpinen

in Essays in Legal Philosophy

Published in print:
2015
Published Online:
September 2015
ISBN:
9780198729365
eISBN:
9780191796272
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198729365.003.0002
Subject:
Law, Philosophy of Law

This chapter discusses some of the foundational problems and topics examined by Eugenio Bulygin in his various writings on the theory of norms and deontic logic over the past five decades. An ... More


Essays in Legal Philosophy

Eugenio Bulygin

Carlos Bernal, Carla Huerta, Tecla Mazzarese, José Juan Moreso, Pablo E. Navarro, and Stanley L. Paulson (eds)

Published in print:
2015
Published Online:
September 2015
ISBN:
9780198729365
eISBN:
9780191796272
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198729365.001.0001
Subject:
Law, Philosophy of Law

This book engages with the thought of some of the major figures in legal philosophy in the English-speaking world, including H. L. A. Hart, Ronald Dworkin, and Joseph Raz, as it offers a fresh ... More


Which Options Have Their Deontic Statuses in Virtue of Their Own Goodness?

Douglas W. Portmore

in Opting for the Best: Oughts and Options

Published in print:
2019
Published Online:
July 2019
ISBN:
9780190945350
eISBN:
9780190945381
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190945350.003.0004
Subject:
Philosophy, Moral Philosophy

The problem of act versions arises because one’s best option can be a version of a bad option. For instance, kissing passionately is a version of kissing. But it may be that although kissing ... More


Opting for the Best

Douglas W. Portmore

in Opting for the Best: Oughts and Options

Published in print:
2019
Published Online:
July 2019
ISBN:
9780190945350
eISBN:
9780190945381
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190945350.003.0001
Subject:
Philosophy, Moral Philosophy

This chapter argues for the opting-for-the-best view: the view that, for any subject S and any member ϕ‎ of a certain subset of S’s options, S ought to ϕ‎ if and only if ϕ‎ is the best member of this ... More


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