This book investigates the reality of the past by connecting arguments across areas which are conventionally discussed in isolation from each other. Breaking the impasse within the narrower analytic debate between Dummett’s semantic anti-realists and the truth value link realists as to whether the past exists independently of our methods of verification, it is argued, through an examination of the puzzles concerning identity over time, that only the present exists. Drawing on Lewis’s analogy between times and possible worlds, and work (...) by R.G. Collingwood, Oakeshott and Barthes, a new proposal is advanced, as to how realist elements of ersatz presentism may be combined with historical coherentism to uphold the legitimacy of discourse about the past. (shrink)

David Lewis sells modal realism as a package that includes an eternalist view of time. There is, of course, nothing that ties together the thesis that modality should be analyzed in terms of "concrete" possibilia with the view that non-present things exist. In this paper I develop a theory I call \emph{modal realist presentism} that is a combination of modal realism and presentism, and argue that is has compelling answers to some of the main objections to presentism, (...) including the arguments from (i) singular propositions, (ii) cross-temporal relations, and (iii) truthmaking. Toward the end, I compare modal realist presentism favorably to some similar theories, including Bigelow's modal theory of time, Williamson's theory of the ex-concrete, and Dainton's theory of many-worlds presentism. (shrink)

It is sometimes said that no living philosopher is a genuine modal realist. This is no doubt an exaggeration. But at least this much is true: while we all partake of possible world talk when philosophizing, most of us regard this talk as incurring no commitment to a plurality of concrete worlds.

This book is a defense of modal realism; the thesis that our world is but one of a plurality of worlds, and that the individuals that inhabit our world are only a few out of all the inhabitants of all the worlds. Lewis argues that the philosophical utility of modal realism is a good reason for believing that it is true.

David Lewis (1941-2001) was Class of 1943 University Professor of Philosophy at Princeton University. His contributions spanned philosophical logic, philosophy of language, philosophy of mind, philosophy of science, metaphysics, and epistemology. In On the Plurality of Worlds, he defended his challenging metaphysical position, "modal realism." He was also the author of the books Convention, Counterfactuals, Parts of Classes, and several volumes of collected papers.

This classic work is here published for the first time in paperback in recognition of its enduring importance. Its theme is Modality: human experience recognized as a variety of independent, self-consistent worlds of discourse, each the invention of human intelligence, but each also to be understood as abstract and an arrest in human experience. The theme is pursued in a consideration of the practical, the historical and the scientific modes of understanding.

When it first appeared in 1933, Experience and its Modes was not considered a classic. But as philosophical fashion moved away from the analytic philosophy of the 1930s, this work began to seem ahead of its time. Arguing that experience is 'modal', in the sense that we always have a theoretical or practical perspective on the world, Michael Oakeshott explores the nature of philosophical experience and its relationship to three of the most important 'modes' of non-philosophical experience - science, (...) history and practice - seeking to establish the autonomy and superiority of philosophy. In recognition of its enduring importance, this book is presented in a fresh series livery for a new generation of readers, featuring a specially commissioned preface written by Paul Franco. (shrink)

The author expounds critically Roderick Chisholm's theory of modal mereology and undertakes to redeploy and reconcile this with the Lesniewski-Tarski theory of part-whole, modally augmented. An argument is presented for the principle that what belongs to an aggregate as a part belongs essentially to it. This principle is argued not to imply that every part of an ordinary substance is essentially part of it (such substances not being aggregates), and to give no particular support to Roderick Chisholm's postulation of (...) entia successiva in substitution for ships, trees, and houses as ordinary conceived. Entia successiva are not good candidates for identification with these. (shrink)

Timothy Williamson offers a proof of the counterintuitive claim that, if an object exists, then it exists necessarily. David Wiggins argues that this result reveals the philosophical disadvantage of a first level (or ‘ticking over’) view of the very ‘exists’ and the advantage of the second level account offered by Frege and Russell. The author seeks to show how, using an idea of G. Evans but without the use of the resources of ‘free logic’, all occurrences of ‘exist’, including its (...) occurrence in true, negative existential, singular statements, can be accommodated to the Frege–Russell view and accorded the intuitively required modal status. (shrink)

The author expounds critically Roderick Chisholm's theory of modal mereology and undertakes to redeploy and reconcile this with the Lesniewski-Tarski theory of part-whole, modally augmented. An argument is presented for the principle that what belongs to an aggregate as a part belongs essentially to it. This principle is argued not to imply that every part of an ordinary substance is essentially part of it (such substances not being aggregates), and to give no particular support to Roderick Chisholm's postulation of (...) entia successiva in substitution for ships, trees, and houses as ordinary conceived. Entia successiva are not good candidates for identification with these. (shrink)

When I profess realism about possible worlds, I mean to be taken literally. Possible worlds are what they are, and not some other thing. If asked what sort of thing they are, I cannot give the kind of reply my questioner probably expects: that is, a proposal to reduce possible worlds to something else. I can only ask him to admit that he knows what sort of thing our actual world is, and then explain that possible worlds are more things (...) of that sort, differing not in kind but only in what goes on at them. (shrink)

A study of various central and connected topics in philosophical logic and the theory of meaning. There are important sections on the relation between linguistic and abstract entities, on necessity and convention, on meaning, sense and reference, and on entailment. Dr Lewy proposes a number of original solutions to problems which have been widely discussed in literature, and there is in particular a sharp and sustained criticism of conventionalism and reductionism. These are among the most difficult and intricate issues in (...) contemporary philosophy, but Dr Lewy writes with great clarity and a minimum of technicality. Where his views are controversial they are explained and supported in a detail which makes it both possible and necessary for potential critics to state their disagreement precisely. The book should therefore be of value as an advanced textbook as well as an original contribution to philosophical logic. (shrink)

How is the debate between presentism and eternalism to be characterized? It is usual to suggest that this debate about time is analogous to the debate between the actualist and the possibilist about modality. I think that this suggestion is right. In what follows I pursue the analogy more strictly than is usual and offer a characterization of what is at the core of the dispute between presentists and eternalists that may be immune to worries often raised about the substantiality (...) of the debate. I suggest that the debate be characterized in Lewisean terms and define positions I call *Lewisean* eternalism and anti-*Lewisean*' presentism (analogous to Lewisean possibilism and anti-Lewisean actualism). I explain some advantages of the proposal and discuss some objections. I conclude that pursuing the analogy strictly offers the prospect of giving clear sense to a controversy which otherwise seems to many deeply obscure. (shrink)

How do ordinary objects persist through time and across possible worlds ? How do they manage to have their temporal and modal properties ? These are the questions adressed in this book which is a "guided tour of theories of persistence". The book is divided in two parts. In the first, the two traditional accounts of persistence through time (endurantism and perdurantism) are combined with presentism and eternalism to yield four different views, and their variants. The resulting views are (...) then examined in turn, in order to see which combinations are appealing and which are not. It is argued that the 'worm view' variant of eternalist perdurantism is superior to the other alternatives. In the second part of the book, the same strategy is applied to the combinations of views about persistence across possible worlds (trans-world identity, counterpart theory, modal perdurants) and views about the nature of worlds, mainly modal realism and abstractionism. Not only all the traditional and well-known views, but also some more original ones, are examined and their pros and cons are carefully weighted. Here again, it is argued that perdurance seems to be the best strategy available. (shrink)

Journal Name: Cognitive Linguistics Issue: Ahead of print.

In his great poem, Parmenides uses an argument by elimination to select the correct "way of inquiry" from a pool of two, the ways of is and of is not , joined later by a third, "mixed" way of is and is not . Parmenides' first two ways are soon given modal upgrades - is becomes cannot not be , and is not becomes necessarily is not (B2, 3-6) - and these are no longer contradictories of one another. And (...) is the common view right, that Parmenides rejects the "mixed" way because it is a contradiction? I argue that the modal upgrades are the product of an illicit modal shift. This same shift, built into two Exclusion Arguments, gives Parmenides a novel argument to show that the "mixed" way fails. Given the independent failure of the way of is not , Parmenides' argument by elimination is complete. (shrink)

This volume contains eighteen papers, three with new postscripts, that were written over the past 35 years. Five of the papers have not been previously published. Together they provide a comprehensive account of modal reality—the realm of possible worlds—from a Humean perspective, with excursions into neighboring topics in metaphysics. Part 1 sketches an account of reality as a whole, both the mathematical and the modal, defending a form of plenitudinous realism: every consistent proposition is true of some portion (...) of reality. Part 2 presents and defends a realist theory of concrete possible worlds with an absolute ontological distinction between the actual and the merely possible. Part 3 presents and defends a Humean account of modal plenitude, formulating and endorsing principles of recombination, of plenitude of possible structures, and of plenitude of alien contents. Part 4 applies the Humean account to truthmaking, mereology, spacetime, and quantities. I argue that holding fast to Humean strictures leads to views that differ in radical ways from those put forth by contemporary metaphysicians. (shrink)

This, the 21st volume in the Library of Living Philosophers, is more than Sir Alfred Ayer's final word on the philosophical issues that preoccupied him for more than sixty years; the list of contributors is a roll-call of some of the greatest living figures in philosophy, each expertly addressing a key problem arising in Ayer's work. Most of the critical papers are answered directly and in detail by Sir Alfred-he completed his replies to 21 of the 24 papers before his (...) death. Contributors include: A. J. Ayer, Evandro Agazzi, James Campbell, David S. Clarke, Michael Dummett, Elizabeth Eames, John Foster, Dimitri Ginev, Paul Gochet, Martin Hollis, Ted Honderich, Tscha Hung, Peter Kivy, Arne Naess, D. J. O'Connor, Desiree Park, David Pears, Azarya Polikarov, Hilary Putnam, Francisco Miró, Quesada C., A. Anthony Quinton, Emanuele Riverso, Ernest Sosa, T. L. S. Sprigge, Barry Stroud, and David Wiggins. (shrink)

I present an internal problem for David Lewis’s genuine modal realism. My aim is to show that his analysis of modality is inconsistent with his metaphysics. I consider several ways of modifying the Lewisian analysis of modality, but argue that none are successful. I argue that the problem also affects theories related to genuine modal realism, including the stage theory of persistence and modal fictionalism.

The paper argues against a commitment to metaphysical necessity, semantic modalities are enough. The best approaches to elucidate the semantic modalities are (still) versions of lingustic ersatzism and fictionalism, even if only developed in parts. Within these necessary properties and the difference between natural and semantic laws can be accounted for. The proper background theory for this is an updated version of Logical Empiricism, which is congenial to recent trends in Structural Realism. The anti-metaphysical attitude of Logical Empiricism deserves (...) revitalization. Another target besides metaphysical necessity are substantial forms of iterated modalities, as used, for instance, in the philosophy of religion. (shrink)

If pantheism is by definition the belief in impersonal deity, then there is little point in exploring any inter-connection with personalistic theism. Theism would exclude pantheism, and pantheism theism. To be sure, there are strong reasons why pantheism has insisted upon divine impersonality, and these need to be explored and assessed. That is our task in the first part of the paper, while the second part will introduce a way of considering the correlation of pantheism and theism in a new (...) light. It will presuppose a different way of understanding the temporal modalities, but for the time being, in this first part, we shall make the ordinary assumption that only the present is fully real. The past is no longer, and the future is not yet. (shrink)

If pantheism is by definition the belief in impersonal deity, then there is little point in exploring any inter-connection with personalistic theism. Theism would exclude pantheism, and pantheism theism. To be sure, there are strong reasons why pantheism has insisted upon divine impersonality, and these need to be explored and assessed. That is our task in the first part of the paper, while the second part will introduce a way of considering the correlation of pantheism and theism in a new (...) light. It will presuppose a different way of understanding the temporal modalities, but for the time being, in this first part, we shall make the ordinary assumption that only the present is fully real. The past is no longer, and the future is not yet. (shrink)

The first volume of this series presents fifteen selected papers dealing with a variety of topics in ontology, philosophy of mind, and philosophy of language.

The first volume of this series presents fifteen selected papers dealing with a variety of topics in ontology, philosophy of mind, and philosophy of language.

Experimental work has shown that spatial experiences influence spatiotemporal metaphor use. In these studies, participants are asked a question that yields different responses depending on the metaphor participants use. It has been claimed that English speakers are equally likely to respond with either variant in the absence of priming. Related studies testing non-spatial experiences demonstrate varied results with a wide range of primes. Here, the effects of eye movement and stimuli presentation modality on comprehension of this question are investigated in (...) different formats. In addition, the results of prior reported controls are re-analyzed in a meta-analysis to verify reliable ambiguity of the test question. Results suggest that English speakers have a baseline preference for the Moving Ego metaphor variant, with a stronger preference in verbal rather than written presentation. The findings have implications both for interpretation of prior studies' results and future study designs. (shrink)

This dissertation studies Grosseteste's attempt in his De libero arbitrio to develop a theory of non-temporal modality which severs possibility and changeability. It consists in close philosophical analysis of Grosseteste's views, based on new editions and translations of De libero arbitrio, De scientia Dei, and De veritate propositionis contained in the Appendices. ;After studying the theories of modality proposed by Boethius, Abelard, and twelfth century logic texts, together with the logico-linguistic framework thirteenth century writers drew from them, I examine the (...) basic assumptions and motivations of Grosseteste's discussion: the notions of sentences and dicta, time-variable truth-value, the notion of power, the problem of reconciling divine knowledge and human free will. ;I identify two main modal theories in Grosseteste, one linking possibility with changeability of truth-value and bearing similarities with as well as important differences from the theories of the twelfth century logicians; the other presented as a reaction to this theory and, in particular, to its unusual claim that true sentences about future contingents are necessary. I attempt to make sense of this by a reconstruction of the theory, making use of the notion of dense time. ;I then investigate in detail Grosseteste's theory of the eternal truths, with an eye to its relation to his theories of modality. I show that Grosseteste's sophisticated theory is not a theory of modality; the theory is seen, nonetheless, to highlight obscurities in Grosseteste's account of non-temporal modality. ;The account of non-temporal modality rests on the notion of a dictim's eternal power; these powers are reduced to God's eternal powers. I critically examine Grosseteste's defense of the idea of divine power, highlighting the difficulties he viewed the notion of the actualizability of a power and of its priority to act as posing. His views on these matters are compared with those of Scotus. ;I investigate the theory of non-temporal modality erected on this basis and, in particular, its reduction to divine powers, the adequacy of the strategy, and Grosseteste's use of the theory to solve the problem divine knowledge poses for free will. (shrink)

There is an increasing recognition of the need to provide ways for people to raise concerns about suspected wrongdoing by promoting internal policies and procedures which offer proper safeguards to actual and potential whistleblowers. Many organisations in both the public and private sectors now have such measures and these display a wide variety of operating modalities: in-house or outsourced, anonymous/confidential/identified, multi or single tiered, specified or open subject matter, etc. As a result of this development, a number of guidelines and (...) policy documents have been produced by authoritative bodies. This article reviews the following five documents from a management perspective, the first two deal with the principles upon which legislation might be based and the others describing good management practice: the Council of Europe Resolution 1729 (COER); Transparency International ‘Recommended Principles for Whistleblowing Legislation’ (TI); European Union Article 29 Data Protection Working Party Opinion (EUWP); International Chamber of Commerce ‘Guidelines on Whistleblowing’ (ICC); and the British Standards Institute ‘Whistleblowing arrangements Code of Practice 2008 (BSI). (shrink)

In this article, I am interested in four versions of what is often referred to as "the Humphrey objection". This objection was initially raised by Kripke against Lewis's modal counterpart theory, so this is where I will start the discussion. As we will see, there is a perfectly good answer to the objection. I will then examine other places where a similar objection can be raised: it can arise in the case of temporal counterpart theory (in fact, it can (...) arise in the case of all kinds of counterpart theories, independently on modal realism), and a very similar worry can also arise against modal realism itself or against an ersatzist theory of possible worlds itself. For similar reasons, in similar situations, a similar objection will arise. What is interesting is that it is not the case that a similar response can be given in all of these similar cases. So, in the end, we will see what dissimilarities there are and how and why they are relevant. In particular, we will see the differences there are between alethic modalities and temporal modalities. In the case of alethic modalities (metaphysical necessity and possibility), the objection can be answered by appealing to the notion of representation, while this does not work very well in the case of temporal modalities. (shrink)

A key issue in the philosophy of biology is evolutionary contingency, the degree to which evolutionary outcomes could have been different. Contingency is typically contrasted with evolutionary convergence, where different evolutionary pathways result in the same or similar outcomes. Convergences are given as evidence against the hypothesis that evolutionary outcomes are highly contingent. But the best available treatments of contingency do not, when read closely, produce the desired contrast with convergence. Rather, they produce a picture in which any degree of (...) contingency is compatible with any degree of convergence. This is because convergence is the repeated production of a given outcome from different starting points, and contingency has been defined without reference to the size of the space of possible outcomes. In small spaces of possibilities, the production of repeated outcomes is almost assured. This paper presents a definition of contingency which includes this modal dimension in a way that does not reduce it to the binary notion of contingency found in standard modal logic. The result is a conception of contingency which properly contrasts with convergence, given some domain of possibilities and a measure defined over it. We should therefore not ask whether evolution is contingent or convergent simpliciter, but rather about the degree to which it is contingent or convergent in various domains, as measured in various ways. (shrink)

Here, I outline the idea of a unified hypothesis of sensory perception, developed from the theoretical vibrational mechanism of olfaction, which can be applied across all sensory modalities. I propose that all sensory perception is based upon the detection of mechanical forces at a cellular level, and the subsequent mechanotransduction of the signal via the nervous system. Thus, I argue that the sensory modalities found in the animal kingdom may all be viewed as being mechanoreceptory, rather than being discrete neurophysiological (...) systems which evolved independently of each other. I go on to argue that this idea could potentially explain language evolution, with birdsong being an example of a more simple form of non-Saussurean language that employs ‘frequency-mimicking’ to produce a vocal signal which describes acoustic, chemical and electromagnetic vibrational frequencies detected within in the environment. I also give examples of how this hypothesis could potentially explain phenomena such as vocal mimicry in animals, as well as the human perception of musicality and the occurrence of synaesthesia; a condition found in humans, where the stimulation of one sensory modality results in the stimulation of another. For example, auditory stimuli are detected and are heard as an acoustic signal, as well as being perceived as colour by the visual system. (shrink)

Dummett's formulation presupposes a realistic attitude towards modality. And as also remarked, realism in this sense has not gone unchallenged. This chapter discusses a different form the realism it opposes may assume which entails, but goes appreciably beyond, the comparatively modest variety just sketched, and which has been the focus of much recent discussion: realism about possible worlds. It begins by drawing some distinctions among different notions of necessity and possibility. Probably the single most important distinction to be drawn is (...) between absolute and relative kinds or senses. In an early defense of realism, David Lewis gives some prominence to an argument which represents the central thesis of his realism. Lewis is chary of saying outright whether worlds themselves are concrete entities, pending clarification of the abstract/concrete distinction. Lewis's own discussion of the charge that his position is epistemologically bankrupt largely in presupposing that it will be based upon a causal constraint on knowledge. (shrink)

The triumphal advance of the beings from logical space seems less formidable from the inside. This chapter deals with those enthusiasts who are even now preparing to bring on the impossible world. Trial‐and‐error modal logic is not the only way to take modality as primitive. There is also the option of reducing possible worlds to maximal consistent “books” of propositions. The books may be enough like possible worlds so that at least some of the explanatory power of possible worlds (...) semantics carries over. There are unproblematic mathematical entities that can be regarded as representing distributions of matter in space‐time, and thereby as representing the possible worlds where matter is so distributed. An account is to be found in Quince's "Propositional Objects." According to classical mathematics, these representatives do form a set. But propositions are sometimes conceived differently, as language independent entities that nevertheless have something analogous to syntactic structure. (shrink)

Accounts of modality in terms of fictional possible worlds face an objection based on the idea that when modal claims are analysed in terms of fictions, the connection between analysans and analysandum seems artificial. Strong modal fictionalism, the theory according to which modal claims are analysed in terms of a fiction, has been defended by, among others, Seahwa Kim, who has recently claimed that the philosophical objection that the connection between modality and fictions is artificial can be (...) met. I propose a new way of spelling out the intuition of artificiality and show that strong modal fictionalism should be rejected. (shrink)

This chapter contains sections titled: Influences Exemplarism, truth, and knowledge Body and soul Free will Future contingency and modality Cosmology Time and eternity The eternity of the world.

Theories of possible worlds abound. Since the introduction of modal logic, the term of a possible world, and the very nature of an entity denoted by the term, have stood on the top of metaphysical inquiries. A possible world, roughly speaking, is a complete way things could have been. On the face of it, whatever is possible takes place in some possible world, and whatever is not possible, does not. The aim of the present book is to argue that (...) even impossible things happen. By taking David Lewis’s Modal Realism (henceforth as “MR”) seriously, I claim that besides infinitely many concrete ways things could have been, there exist ways things could not have been. I call them concrete impossible worlds. In Chapter I, I outline Lewis’s well-defined conception of philosophical analysis. I present its structure, aims, methodology and criteria for success. Besides the virtues of the Lewisian conception, I point out several limitations the theory has and offer very simple solution: the admission of concrete impossible worlds. In Chapter II, I present a version of an epistemological objection against MR and a positive account in favour of Modal Fictionalism (henceforth as “MF”). I then present the puzzle in this matter and attempt to generalise my point. 9 Introduction Chapter III demonstrates how flexible Lewis’s theory is. I consider a putative impossibility of there being island universes – spatiotemporally disjoint spacetimes – and show what a proponent of modal realism can do in order to account for it. I present three possible moves: a revision of our pre-theoretical opinions, a modification of our definitions and, finally, an ex- tension of our metaphysical commitments. I consider two ersatz theories of impossible worlds in Chapter IV. In particular, I scrutinize Franz Berto’s and Edwin Mares’s (hybrid) theories of MR. Although I admit that the theories radically extend the scope of applications of MR without extending its metaphysical commitments, the approaches do have some limits. Finally, in Chapter V, I present Extended Modal Realism (henceforth EMR), a theory according to which the best way to go in order to account for impossible phenomena is to ex- tend our metaphysical base by genuine impossibilia. I try to (at least) weaken, if not meet, the crucial objections to the proposal. Namely, I challenge the proclaimed universality of classical logic and, subsequently, motivate certain kind of paraconsistent approach to modal reality. Although the consequences are very hard to swallow, I argue that it is because of the fact that we are unsure of our pre-theoretical opinions concerning the impossible. (shrink)

Questions about necessity (or what has to be, or what cannot be otherwise) and possibility (or what can be, or what could be otherwise) are questions about modality. Fictionalism is an approach to theoretical matters in a given area which treats the claims in that area as being in some sense analogous to fictional claims: claims we do not literally accept at face value, but which we nevertheless think serve some useful function. However, despite its name, “Modal Fictionalism” in (...) its usual manifestations is not primarily fictionalism about claims of necessity and possibility, but rather a fictionalist approach to claims about possible worlds. (For instance, modal fictionalism is not normally fictionalist about the claim that “it is possible that there be a species of tail-less kangaroo”, but rather about the claim that “there is a possible world in which there is a species of tail-less kangaroo”.) The practice of taking possible worlds to be merely convenient fictions, or of treating talk about possible worlds as being useful without being literally correct, is quite common in philosophical circles. It is only recently, however, that philosophers have seriously examined the implications of taking possible worlds to be merely fictional objects, like Sherlock Holmes or a frictionless surface. (shrink)