This anthology introduces advanced undergraduates and beginning graduate students to today's debates in metaphysics. The book consists of essays by contemporary metaphysicians, and all but one appear here for the first time. For each of nine topics, there are two essays, one "pro-" and one "con-".
The paper has two parts: First, I describe a relatively popular thesis in the philosophy of propositional attitudes, worthy of the name ‘taking tense seriously’; and I distinguish it from a family of views in the metaphysics of time, namely, the A‐theories. Once the distinction is in focus, a skeptical worry arises. Some A‐theorists maintain that the difference between past, present, and future, is to be drawn in terms of what exists: growing‐block theorists eschew ontological commitment to future entities; presentists, (...) to future and past entities. Others think of themselves as A‐theorists but exclude no past or future things from their ontology. The metaphysical skeptic suspects that their attempt to articulate an ‘eternalist’ version of the A‐theory collapses into merely ‘taking tense seriously’– a thesis that does not imply the A‐theory. The second half of the paper is the search for a stable eternalist A‐theory. It includes discussion of temporary intrinsics, temporal parts, and truth. (shrink)
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Let us say that an extended object is “composed wholly of simples” just in case it is an aggregate of absolutely unextended parts spread throughout an extended region—that is, just in case there is a set S such that: every member is a point-sized part of the object, and for every x, x is part of the object if and only if it has a part in common with some member of S. Could a truly extended substance be composed entirely (...) of unextended parts? Reflection upon the fact that it must be at least possible for extended objects to touch one another suggests that the answer to this question is: No. (shrink)
The ‘friends of temporal parts’ and their opponents disagree about how things persist through time. The former, who hold what is sometimes called a ‘4D’ theory of persistence, typically claim that all objects that last for any period of time are spread out through time in the same way that spatially extended objects are spread out through space — a different part for each region that the object fills. David Lewis calls this manner of persisting ‘perdurance’. The opposing, ‘3D’ theory (...) has it that at least some objects do not persist in this manner; they ‘endure’ through time by ‘being wholly present at more than one time’.1 A related dispute pits ‘presentists’ against ‘non-presentists’. Presentists hold that the only things that really exist are those that exist now, at the present moment; and nonpresentists believe in something like a ‘block-universe’ in which non-simultaneous objects and events nevertheless co-exist (in a tenseless or non-temporal sense). Of late, the relations between these four positions have come under considerable scrutiny.2 As Ned Markosian has pointed out, it would be surprising if commitment to a perdurance or endurance theory of persistence automatically foreclosed one’s options in the presentism—non-presentism debate. But, says Markosian, that is just what the standard formulations of the perdurance and endurance theories imply.3 David Lewis has set the terms of the debate; in his usage, someone who thinks that all persisting objects endure would be said to hold the following. (shrink)
Property dualism is enjoying a slight resurgence in popularity, these days; substance dualism, not so much. But it is not as easy as one might think to be a property dualist and a substance materialist. The reasons for being a property dualist support the idea that some phenomenal properties (or qualia) are as fundamental as the most basic physical properties; but what material objects could be the bearers of the qualia? If even some qualia require an adverbial construal (if they (...) are modifications of the thing that is conscious because of them, not properties of something else to which the subject of consciousness is related), then the property dualist can be driven to speculative forms of materialism none of which, at this point, looks more likely to be true than the more modest versions of emergent dualism defended by contemporary substance dualists. (shrink)
The Oxford Handbook of Metaphysics offers the most authoritative and compelling guide to this diverse and fertile field of philosophy. Twenty-four of the world's most distinguished specialists provide brand-new essays about 'what there is': what kinds of things there are, and what relations hold among entities falling under various categories. They give the latest word on such topics as identity, modality, time, causation, persons and minds, freedom, and vagueness. The Handbook's unrivaled breadth and depth make it the definitive reference work (...) for students and academics across the philosophical spectrum. (shrink)
Physical boundaries and the earliest topologists. Topology has a relatively short history; but its 19th century roots are embedded in philosophical problems about the nature of extended substances and their boundaries which go back to Zeno and Aristotle. Although it seems that there have always been philosophers interested in these matters, questions about the boundaries of three-dimensional objects were closest to center stage during the later medieval and modern periods. Are the boundaries of an object actually existing, less-than-three-dimensional parts of (...) the object—that is, are solids bounded by two-dimensional surfaces, surfaces by one-dimensional “edges” or “physical lines”, edges by dimensionless “simples”? If not, how does a perfectly spherical object manage to touch a perfectly flat object—what part of the sphere is in immediate contact with the plane, if the sphere has no unextended parts? But if such parts be admitted, are we not then saddled with “actual infinities” of simples, lines, and surfaces spread throughout each continuous object—the boundaries of all the object’s internal parts? Does it help to say that these internal boundaries exist only “potentially”? (shrink)
It is not easy to be a materialist and yet believe that there is a way for human beings to survive death. Peter van Inwagen identifies the central obstacle the materialist faces: Namely, the need to posit appropriate “immanent-causal” connections between my body as it is at death and some living body elsewhere or elsewhen. I offer a proposal, consistent with van Inwagen’s own materialist metaphysics, for making materialism compatible with the possibility of survival.
Let us say that an extended object is “composed wholly of simples” just in case it is an aggregate of absolutely unextended parts spread throughout an extended region—that is, just in case there is a set S such that: every member is a point-sized part of the object, and for every x, x is part of the object if and only if it has a part in common with some member of S. Could a truly extended substance be composed entirely (...) of unextended parts? Reflection upon the fact that it must be at least possible for extended objects to touch one another suggests that the answer to this question is: No. (shrink)
Lynne Rudder Baker and many others think that paradigmatic instances of one object constituting another—a piece of marble constituting a statue, or an aggregate of particles constituting a living body—involve two distinct objects in the same place at the same time. Some who say this believe in the doctrine of temporal parts; but others, like Baker, reject this doctrine. Such philosophers, whom one might call “coincidentalists”, cannot say that these objects manage to share space in virtue of sharing a temporal (...) part confined to just that place and time. But what can or should coincidentalists say about the nature of constitution? Many have analyzed the relation as one of sharing, “at some level”, all and only the same parts. Most have agreed that such massive part-sharing is at least a central component of and necessary condition for constitution. The heart of Baker’s Persons and Bodies, and its most significant contribution to the development of coincidentalism, is a theory of constitution that makes no appeal to mereology. The leading idea in Baker’s account is, instead, a modal one: objects belonging to constituted kinds are the necessary result of putting objects belonging to appropriate constituting kinds in the right circumstances, circumstances which the constituting objects need not have been in. So putting a piece of man-shaped marble in the right circumstances necessarily results in the existence of a second object, a statue, constituted by the marble; but the piece of marble need not have fallen into these circumstances or any others in which it would constitute a statue. (shrink)
This book addresses two basic questions: What is the proper philosophical analysis of the concept of substance? and What kinds of compound substances are there? The second question is mainly addressed by asking what relations among objects are necessary and sufficient for their coming to compose a larger whole. The first 72 pages of the book contain a short history of attempts to answer the first question, and a brief presentation of the analysis the authors defend at length in their (...) earlier book, Substance Among Other Categories. In the remaining 119 pages, the authors take up the second question. This order of presentation makes sense; but it may help to create a false impression in those who only glance at the first few pages—that this book is just a simplified version of the earlier one, with a little bit of history thrown in. It would be quite unfortunate, however, if very many potential readers get this impression; for it might discourage them from looking closely at the bulk of the book, which is new. The issues discussed in the later chapters are at the center of one of the most lively debates in contemporary metaphysics; and the position Hoffman and Rosenkrantz stake out is appealing and carefully articulated. Their views deserve careful attention from philosophers working on the metaphysics of persistence through time, personal identity, artifact identity, and mereology. (shrink)
My comments have two parts. I begin by laying out the argument that seems to me to be at the core of Olson’s thinking about human persons; and I suggest a problem with his reasons for accepting one of its premises. The premise is warranted by its platitudinous or commonsensical status; but Olson’s arguments lead him to conclusions that undermine the family of platitudes to which it belongs. Then I’ll raise a question about how Olson should construe the vagueness that (...) would seem to infect the boundaries of human animals. (shrink)
‘Molinism’, in contemporary usage, is the name for a theory about the workings of divine providence. Its defenders include some of the most prominent contemporary Protestant and Catholic philosophical theologians.¹ Molinism is often said to be the only way to steer a middle..
Physical boundaries and the earliest topologists. Topology has a relatively short history; but its 19th century roots are embedded in philosophical problems about the nature of extended substances and their boundaries which go back to Zeno and Aristotle. Although it seems that there have always been philosophers interested in these matters, questions about the boundaries of three-dimensional objects were closest to center stage during the later medieval and modern periods. Are the boundaries of an object actually existing, less-than-three-dimensional parts of (...) the object—that is, are solids bounded by two-dimensional surfaces, surfaces by one-dimensional “edges” or “physical lines”, edges by dimensionless “simples”? If not, how does a perfectly spherical object manage to touch a perfectly flat object—what part of the sphere is in immediate contact with the plane, if the sphere has no unextended parts? But if such parts be admitted, are we not then saddled with “actual infinities” of simples, lines, and surfaces spread throughout each continuous object—the boundaries of all the object’s internal parts? Does it help to say that these internal boundaries exist only “potentially”? (shrink)
The nature of persons is a perennial topic of debate in philosophy, currently enjoying something of a revival. In this volume for the first time metaphysical debates about the nature of human persons are brought together with related debates in philosophy of religion and theology. Fifteen specially written essays explore idealist, dualist, and materialist views of persons, discuss specifically Christian conceptions of the value of embodiment, and address four central topics in philosophical theology: incarnation, resurrection, original sin, and the trinity.
Oxford Studies in Metaphysics is the forum for the best new work in this flourishing field. Much of the most interesting work in philosophy today is metaphysical in character: this series is a much-needed focus for it. OSM offers a broad view of the subject, featuring not only the traditionally central topics such as existence, identity, modality, time, and causation, but also the rich clusters of metaphysical questions in neighbouring fields, such as philosophy of mind and philosophy of science. Besides (...) independent essays, volumes will often contain a critical essay on a recent book, or a symposium that allows participants to respond to one another's criticisms and questions. This fifth volume is largely focused on the metaphysics of time, with sections on time travel; persistence through time; and time, space, and location. The final section of the volume is devoted to a neglected topic that is starting to attract philosophical attention: the metaphysics of sounds. Anyone who wants to know what's happening in metaphysics can start here. (shrink)
The most well-known arguments for the simplicity of the soul - i.e., for the thesis that the subject of psychological states must be an unextended substance -are based upon the logical possibility of disembodiment. Descartes introduced this sort of argument into modern philosophy, and a version of it has been defended recently by Richard Swinburne. Some of the underlying assumptions of both arguments are examined and defended, but a closer look reveals that each depends upon unjustified inferences from the conceivability (...) of a certain state of affairs to the logical possibility of that state of affairs. (shrink)
This chapter contains sections titled: * I Introduction * II A-Theories and B-Theories * III Competing Versions of the A-Theory * IV Presentism a Trivial Truth? * V Open Theism and the A-Theory of Time * VI The âTruthmakerâ Argument * VII Conclusion * Notes.
I have argued that contemporary humeans face a trilemma: either give up temporal parts, deny the humean supervenience of causal relations, or deny the possibility of there being a difference between rotating and nonrotating homogeneous spheres. Mark Scala describes an interesting class of seemingly possible objects, spinning and stationary simples; and argues their possibility undermines my argument. I argue that it does not. And I conclude with a more general assessment of the status of objections to humeanism from the possibility (...) of homogeneous objects in motion. (shrink)
Many theists reject the notion that God’s eternity consists in his timelessness — i.e., in his lacking temporal extension and failing to possess properties at any times. Some of these “divine temporalists” hold that, for philosophical reasons, it is impossible to accept both the timelessness of God and the view that God knows what happens at different times and brings about events in time. 1 Many reject divine timelessness as a dubious import from Platonism with no biblical or theological warrant.2 (...) And some question the very intelligibility of the doctrine. (shrink)
I attempt to rebut Dean Zimmerman's novel argument (2010), which he presents in support of substance dualism, for the conclusion that, in spite of its popularity, the combination of property dualism with substance materialism represents a precarious position in the philosophy of mind. I take issue with Zimmerman's contention that the vagueness of 'garden variety' material objects such as brains or bodies makes them unsuitable candidates for the possession of phenomenal properties. I also argue that the 'speculative materialism' that is (...) available to a substance materialist property dualist who abandons the identification of persons with such garden variety objects is significantly more attractive than Zimmerman allows. Although I do not attempt to refute its substance dualist rival, I conclude that the combination of property dualism with substance materialism can withstand Zimmerman's objections. (shrink)
Lynne Rudder Baker and many others think that paradigmatic instances of one object constituting another—a piece of marble constituting a statue, or an aggregate of particles constituting a living body—involve two distinct objects in the same place at the same time. Some who say this believe in the doctrine of temporal parts; but others, like Baker, reject this doctrine. Such philosophers, whom one might call “coincidentalists”, cannot say that these objects manage to share space in virtue of sharing a temporal (...) part confined to just that place and time. But what can or should coincidentalists say about the nature of constitution? Many have analyzed the relation as one of sharing, “at some level”, all and only the same parts. Most have agreed that such massive part-sharing is at least a central component of and necessary condition for constitution. The heart of Baker’s Persons and Bodies, and its most significant contribution to the development of coincidentalism, is a theory of constitution that makes no appeal to mereology. The leading idea in Baker’s account is, instead, a modal one: objects belonging to constituted kinds are the necessary result of putting objects belonging to appropriate constituting kinds in the right circumstances, circumstances which the constituting objects need not have been in. So putting a piece of man-shaped marble in the right circumstances necessarily results in the existence of a second object, a statue, constituted by the marble; but the piece of marble need not have fallen into these circumstances or any others in which it would constitute a statue. (shrink)
