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Modal Logic: An Introduction to its Syntax and Semantics

Nino B. Cocchiarella and Max A. Freund

Published in print:
2008
Published Online:
October 2011
ISBN:
9780195366587
eISBN:
9780199851898
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195366587.001.0001
Subject:
Philosophy, Philosophy of Language

In this text, a variety of modal logics at the sentential, first-order, and second-order levels are developed with clarity, precision, and philosophical insight. All of the S1-S5 modal logics of ... More


Essays in the Metaphysics of Modality

Alvin Plantinga

Matthew Davidson (ed.)

Published in print:
2003
Published Online:
November 2003
ISBN:
9780195103762
eISBN:
9780199833573
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/0195103769.001.0001
Subject:
Philosophy, Metaphysics/Epistemology

This book is a collection of my essays, dating from 1969, concerning the metaphysics of modality. The first two chapters are a defense of the idea of modality de re against criticisms from William ... More


Bounded Thinking: Intellectual virtues for limited agents

Adam Morton

Published in print:
2012
Published Online:
January 2013
ISBN:
9780199658534
eISBN:
9780191746192
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199658534.001.0001
Subject:
Philosophy, Metaphysics/Epistemology, Philosophy of Mind

The book describes virtues of limitation management, intellectual virtues of adapting to the fact that we cannot solve many problems that we can easily describe. How to be profitably stupid. It ... More


Dispositional Essentialism, Modality, and Intentionality

Alexander Bird

in Nature's Metaphysics: Laws and Properties

Published in print:
2007
Published Online:
September 2007
ISBN:
9780199227013
eISBN:
9780191711121
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199227013.003.0005
Subject:
Philosophy, Metaphysics/Epistemology

This chapter analyzes the relationship of dispositional essentialism to questions of modality and to intentionality. Armstrong criticizes dispositional essentialism on the ground that it leads to a ... More


Singular Propositions *

Trenton Merricks

in Reason, Metaphysics, and Mind: New Essays on the Philosophy of Alvin Plantinga

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199766864
eISBN:
9780199932184
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199766864.003.0006
Subject:
Philosophy, Metaphysics/Epistemology

Let a “singular proposition” be any proposition expressed by a sentence that uses a rigid designator or directly referring term. Thus, plausibly, “Lincoln was tall” expresses a singular proposition. ... More


Epistemic Expressivism: Nontraditional Views

Terence Cuneo

in The Normative Web: An Argument for Moral Realism

Published in print:
2007
Published Online:
January 2008
ISBN:
9780199218837
eISBN:
9780191711749
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199218837.003.0007
Subject:
Philosophy, Moral Philosophy

This chapter engages with the second version of epistemic expressivism, the so-called non-traditional epistemic expressivism. This view is distinguished from traditional expressivism inasmuch as it ... More


Concepts, syntax, and actualism

Brian Leftow

in God and Necessity

Published in print:
2012
Published Online:
January 2013
ISBN:
9780199263356
eISBN:
9780191741777
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199263356.003.0013
Subject:
Philosophy, Philosophy of Religion, Metaphysics/Epistemology

Because it is useful to speak as if there were divine concepts, this chapter discusses God’s mental content in concept language. It provides an account of concepts simple in content. It then takes up ... More


The ‘Actual’ in Actualism 1

Julia Driver

in Minds, Ethics, and Conditionals: Themes from the Philosophy of Frank Jackson

Published in print:
2009
Published Online:
May 2010
ISBN:
9780199267989
eISBN:
9780191708268
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199267989.003.0012
Subject:
Philosophy, Philosophy of Mind

The work of Frank Jackson has been important to at least two central debates in consequentialist ethical theory: (1) between possibilism and actualism and (2) between objective consequentialism and ... More


Time, Space, World

Takashi Yagisawa

in Worlds and Individuals, Possible and Otherwise

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199576890
eISBN:
9780191722301
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199576890.003.0003
Subject:
Philosophy, Metaphysics/Epistemology, General

Alethic indices are relativizers of truth. Metaphysical indices are alethic indices which permeate the universe, and they include times, spatial points, and worlds. The conception of a possible world ... More


General possibilities

Ori Simchen

in Necessary Intentionality: A Study in the Metaphysics of Aboutness

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199608515
eISBN:
9780191738241
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199608515.003.0002
Subject:
Philosophy, Metaphysics/Epistemology, Philosophy of Language

This chapter completes the requisite modal metaphysical background to the book’s overall argument. It is argued that general possibilities such as the possibility that there be someone or other ... More


Modality without Worlds II: The Semantics of Modal Quantificational Logic

Charles S. Chihara

in The Worlds of Possibility: Modal Realism and the Semantics of Modal Logic

Published in print:
2001
Published Online:
October 2011
ISBN:
9780199246557
eISBN:
9780191697609
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199246557.003.0008
Subject:
Philosophy, Logic/Philosophy of Mathematics, Metaphysics/Epistemology

This chapter answers the question ‘what is the connections between the set theoretical structures studied in the model theory of modal logic and anything objective in virtue of which we can explain ... More


Quantified Modal Logic

Nino B. Cocchiarella and Max A. Freund

in Modal Logic: An Introduction to its Syntax and Semantics

Published in print:
2008
Published Online:
October 2011
ISBN:
9780195366587
eISBN:
9780199851898
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195366587.003.0007
Subject:
Philosophy, Philosophy of Language

This chapter describes the syntax of first-order modal predicate logic and develops the first-order extensions of the different sentential modal logics constructed in Chapter 2. The authors ... More


Second-Order Modal Logic

Nino B. Cocchiarella and Max A. Freund

in Modal Logic: An Introduction to its Syntax and Semantics

Published in print:
2008
Published Online:
October 2011
ISBN:
9780195366587
eISBN:
9780199851898
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195366587.003.0009
Subject:
Philosophy, Philosophy of Language

This chapter extends the systems to the level of second-order modal predicate logic, where the notion of existence that is central to the actualism-possibilism distinction is given deeper and ... More


: Independence

George Molnar

in Powers: A Study in Metaphysics

Published in print:
2006
Published Online:
October 2011
ISBN:
9780199204175
eISBN:
9780191695537
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199204175.003.0005
Subject:
Philosophy, Metaphysics/Epistemology

This chapter describes the manifestation of powers. It distinguishes between token-independence and type-independence, in which powers can be independent of their manifestations. It explains ... More


The Contingency of Existence *

Michael Nelson

in Metaphysics and the Good: Themes from the Philosophy of Robert Merrihew Adams

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199542680
eISBN:
9780191715396
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199542680.003.0004
Subject:
Philosophy, General

Many of my features are intuitively contingent: I am contingently sitting, contingently typing at the computer, contingently thinking of necessity and contingency. It is only slightly less intuitive ... More


Plantinga on the Reduction of Possibilist Discourse

Kit Fine

in Modality and Tense: Philosophical Papers

Published in print:
2005
Published Online:
February 2006
ISBN:
9780199278701
eISBN:
9780191603105
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199278709.003.0006
Subject:
Philosophy, Philosophy of Language

This chapter critically examines Plantinga’s version of modal actualism, and his arguments against Prior’s version of modal actualism.


The Problem of Possibilia

Kit Fine

in Modality and Tense: Philosophical Papers

Published in print:
2005
Published Online:
February 2006
ISBN:
9780199278701
eISBN:
9780191603105
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199278709.003.0007
Subject:
Philosophy, Philosophy of Language

It is argued that actual objects are prior to possible objects, and that talk of possible objects may be understood as a way of talking of actual objects. An alternative approach to avoiding ... More


The Difficulty of Difficulty

Adam Morton

in Bounded Thinking: Intellectual virtues for limited agents

Published in print:
2012
Published Online:
January 2013
ISBN:
9780199658534
eISBN:
9780191746192
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199658534.003.0004
Subject:
Philosophy, Metaphysics/Epistemology, Philosophy of Mind

To be prudent we have to know how hard the problems we expect to face are, and this is not at all simple. In order to plan sequences of actions we have to know in advance which problems we can solve. ... More


Actualism and Possible Worlds

Alvin Plantinga

in Essays in the Metaphysics of Modality

Published in print:
2003
Published Online:
November 2003
ISBN:
9780195103762
eISBN:
9780199833573
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0195103769.003.0006
Subject:
Philosophy, Metaphysics/Epistemology

In this essay, I defend the compatibility of actualism – i.e., the view that there neither are, nor could have been, any nonexistent objects – and possible worlds. I begin by demonstrating how on the ... More


On Existentialism

Alvin Plantinga

in Essays in the Metaphysics of Modality

Published in print:
2003
Published Online:
November 2003
ISBN:
9780195103762
eISBN:
9780199833573
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0195103769.003.0009
Subject:
Philosophy, Metaphysics/Epistemology

Existentialism is the claim that quidditative properties and singular propositions are ontologically dependent upon the individuals they involve. In this essay, I consider two arguments for ... More


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