Persistence

Adrian Bardon has produced a new version of his historical introduction to the philosophy of time. Originally published in 2013, the second edition of 2024 is partly rewritten and supplemented with a more extensive discussion on our disposition to project the passage of time [...] Although the book’s title emphasizes history, most of the chapters are directed at issues in systematic philosophy of time: the realism/antirealism debate, temporal passage, temporal experience, spacetime, direction, time travel, time and free will, and the (...) temporal boundaries of the universe. (shrink)

Many philosophers have thought that our folk, or pre-reflective, view of persistence is one on which objects endure. This assumption not only plays a role in disputes about the nature of persistence itself, but is also put to use in several other areas of metaphysics, including debates about the nature of change and temporal passage. In this paper, we empirically test three broad claims. First, that most people (i.e. most non-philosophers) believe that, and it seems to them as though, objects (...) persist by enduring rather than perduring. Second, that most people have a view of change on which enduring but not perduring objects count as changing. Third, that one reason why the folk represent time as dynamical is because it seems to them, and they believe that, they endure through time. We found no evidence to support these claims. While there are certainly plenty of ‘folk’ endurantists in the population we tested, there are also plenty of ‘folk’ perdurantists. We did not find robust evidence that a majority of people believed that, or it seemed to them as though, objects endure rather than perdure. We conclude that many arguments in favour of endurantism that appeal to folk beliefs about, or experiences of, persisting objects and change rest on views about those beliefs and experiences that are empirically unsupported. There is no evidence to suggest that endurantism is the folk friendly view of persistence, and so we should stop treating it as such without argument. (shrink)

This piece is a contribution to a book symposium on Fabrice Correia and Sven Rosenkranz's _Nothing to Come: A Defense of the Growing Block Theory of Time_. I start by considering one of the main objections that has been raised against the Growing Block Theory, namely, the Epistemic Objection, together with Correia and Rosenkranz's response to that objection. This leads to a question about whether Correia and Rosenkranz’s view is a Four-Dimensionalist version of the Growing Block Theory or a Three-Dimensionalist (...) version of the theory. I argue that there are three possible ways Correia and Rosenkranz might respond to this question, and I raise several worries for each of those ways. Then I offer some free advice about how I think Correia and Rosenkranz ought to respond to the question. (shrink)

McTaggart’s paradox and his A-theory and B-theory are basic notions in the contemporary philosophy of time. It is well known that the paradox was introduced by McTaggart’s paper called “The Unreality of Time” published in 1908, so that it has a one-hundred-year history. As for A-theory and B-theory, in contrast, McTaggart himself didn’t consider both of them at all. The notions of A-theory and B-theory came much later, 60 years after the paradox. Moreover, they had not been as popularized as (...) they are today until quite recently, at least after the 1990s. This paper aims to trace the origin of the notions of A-theory and B-theory and show how the debates behind them, especially objections to “spatialising time,” form the notions. (shrink)

John Steele interviewed Paul Davies on the subject of time. In that interview Davies stated that time is not a flow, which is correct. His reasoning for that conclusion, however, was flawed, based on a confused version of the flowing river analogy with time. A correct version of the analogy is presented, followed by an analysis of Davies’ argument. A detailed explanation is presented of the intrinsic nature of the type of change that time is. Transdisciplinary methodology based on isomorphies (...) is used to bring forth the nature of temporal change, and reveal why time is not a flow. (shrink)

Any effort to specify identity conditions for corporations faces significant challenges. Corporations are amorphous. Nature draws no hard lines defining where they start or stop, whether in space or time. Corporations are also frustratingly dynamic. They often change the most basic aspects of their composition by exchanging parts, splitting and merging, changing ownership, and reworking fundamental internal operations. -/- Even so, we apply corporate identity conditions all the time. Both law and common intuition recognize that corporations do things—like pollute environments (...) or mislabel addictive medications—that call for judgment. Imposing judgment on corporations presupposes some implicit view of corporate identity that allows us to say, “This corporation that we now judge is the same one that misbehaved.” -/- This chapter draws on evidence from court decisions and experimental philosophy to unpack the fundamentally different visions of corporate identity implicitly encoded in law and in common intuition. The discrepancies suggest important lessons for lawmakers and corporate managers. (shrink)

The phenomenon of weakness of will – not doing what we perceive as the best action – is not recognized by neoclassical economics due to the axiomatic assumptions of the revealed preference theory (RPT) that people do what is best for them. However, present bias shows that people have different preferences over time. As they cannot be compared by the utility measurements, economists need to normatively decide between selves (short- versus long-term preferences). A problem is that neoclassical economists perceive RPT (...) as value-free and incorporate present bias within the economic framework. The axiomatic assumption that people do what is best for them leads to theoretical and practical dilemmas. This work examines weakness of will to resolve some shortcomings of RPT. The concept of intention is used to provide multiple self conception with the framework to decide between selves, which had not been done before. The paper concludes that individuals should not always follow their revealed preferences (desires) but the intentions (reason) because the latter indicates what people really want. (shrink)

Time passes iff: P and then Q, for any tensed P and Q. Mary sits; and then she stands. The view—dynamic succession—accommodates the intuition that time passes when events change their A-characteristics: my next birthday is 11 months future and then 10 months future and so on. The view implies an intimate connection between passage, persistence, and change. Persistence and change both presuppose passage. The view charts a path between A-theories (invoking past, present, future) and B-theories (invoking succession). A-theories of (...) passage fail to uncover what makes the passage process go (i.e., succession). B-theories negate tense and therefore mistakenly treat succession as a static relation. Genuine succession makes it so that what comes after replaces what came before. (shrink)

In the museum context, curators and conservators often play a role in shaping the nature of contemporary artworks. Before, during and after the acquisition of an art object, curators and conservators engage in dialogue with the artist about how the object should be exhibited and conserved. As a part of this dialogue, the artist may express specifications for the display and conservation of the object, thereby fixing characteristics of the artwork that were previously left open. This process can make a (...) significant difference to the visual appearance of the work, the nature of the audience's experience, and how the work should be interpreted. I present several case studies in which the nature of the artwork has been shaped by such dialogues, and discuss principles for resolving cases in which there is a conflict between instructions specified by the artist and those adopted by the museum. (shrink)

Virtually everyone who has advanced an ontology of art has accepted a constraint to the effect that claims about ontology should cohere with the sort of appreciative claims made about artworks within a mature and reflective version of critical practice. I argue that such a constraint, which I agree is appropriate, rules out a one-size-fits-all ontology of contemporary visual art (and thus of visual art in general). Mature critical practice with respect to contemporary art accords artists a significant degree of (...) stipulative authority regarding the features and boundaries of their works. This results in ontological variation among visual artworks. Any claim to the effect that all works belong to the same ontological category will thus come out false or uninformative. Interesting, substantive claims about ontological status can be made only in relation to specific works; that is, we must consider the ontological status of each contemporary artwork individually. The only general ontological claim that can be made about visual artworks (and also about artworks in other forms) is that they belong to the sort of thing that artists create. But this is not a substantive ontological claim. (shrink)

In this paper, I assess the analysis of vagueness of objects in terms of the theory of constitution with respect to the notion of vague identity. Some proponents of the constitution theory see it as an advantage of their account that analysing the spatial and temporal vagueness of objects in terms of the relation of vague constitution avoids commitment to vague identity, which is seen as a controversial notion. I argue that even though the constitution theory may plausibly be applied (...) to the phenomenon of vague boundaries, it fails to account fully for other cases of spatial and temporal vagueness. There are what I call ‘mid-extension’ vagueness cases, in which the tools of the constitution theory applied in the analysis of boundary vagueness are insufficient to avoid commitment to vague identity. (shrink)

In this paper, I will argue that we need to consider the ‘change- makers’ if we want to provide a comprehensive theory of persistence. The classical theories of persistence, endurantism and perdurantism in all their flavours, are content with avoiding the looming contradiction in the context of Leibniz’s Law. They do not account for how change is brought about. I argue that this is not sufficient to constitute a theory of persistence and I will introduce produrantism as a new access (...) towards a comprehensive approach. (shrink)

When we think about ethics, we normally focus on a particular sort of agent: the individual person. Some philosophers have argued that we should rethink the limits of what counts as an ethically relevant unit of agency by expanding outward, and claiming that groups of people can have normative reasons for action. In this paper, I explore whether we can go in the other direction. Are there sub‐personal beings who count as agents with their own reasons for action? In particular, (...) might the temporal parts of persons, beings like “me‐in‐my‐twenties,” be thought of as normative agents? This idea, I argue, has deep attractions, and deep, but surmountable, challenges. And if we do accept this idea, I argue, this can indirectly help to support the case for thinking that groups can have reasons for action. (shrink)

Although they are continually compositionally reconstituted and reconfigured, organisms nonetheless persist as ontologically unified beings over time – but in virtue of what? A common answer is: in virtue of their continued possession of the capacity for morphological invariance which persists through, and in spite of, their mereological alteration. While we acknowledge that organisms‟ capacity for the “stability of form” – homeostasis - is an important aspect of their diachronic unity, we argue that this capacity is derived from, and grounded (...) in a more primitive one – namely, the homeodynamic capacity for the “specified variation of form”. In introducing a novel type of causal power – a „structural power‟ – we claim that it is the persistence of their dynamic potential to produce a specified series of structurally adaptive morphologies which grounds organisms‟ privileged status as metaphysically “one over many” over time. (shrink)

The thesis revolves around the following questions. What is time? Is time tensed or tenseless? Do things endure or perdure, i.e. do things persist by being wholly present at many times, or do they persist by having temporal parts? Do causes bring their effects into existence, or are they only correlated with each other? Within a realist approach to metaphysics, the author claims that the tensed view of time, the endurance view of persistence, and the production view of causality naturally (...) combine into what is called the dynamic view of temporal reality, and that the tenseless view of time, the perdurance view of persistence, and the correlation view of causality naturally combine into what is called the static view of temporal reality. The author argues in favour of a dynamic view. During the discussion a number of metaphysical problems are addressed. First, it is argued that the charges that the dynamic view is contradictory, made by J.M.E. McTaggart and David Lewis, are viciously circular. Secondly, it is argued that the static view cannot account for change, and deprives metaphysics of essential means to provide natural explanations to empirical phenomena. Thirdly, the author presents a novel account of the nature of necessary causal production. He suggests that the traditional conception of causes as essentially being external to the effects should be abandoned, and that causal production instead should be explicated in terms of reciprocal interactions between coexistent substances. (shrink)

In the intriguing article The puzzle of the changing past, Barlassina and Del Prete argue that, if one grants a platitude about truth and accepts a simple story that they tell, one is forced to conclude that the past has changed. I will suggest that there is a coherent way to resist that conclusion. The platitude about truth is in fact a platitude, but the story is not exactly as they tell it.

First published in 1995. Routledge is an imprint of Taylor & Francis, an informa company.

Within the European history of ideas, at least three conceptions of metamorphosis can be distinguished. First, as celebrated in Ovid’s Metamorphoses, there is the vision of an open-ended flux of shapes in all directions, potentially with the ambiguous result of wavering identity. Secondly, at the centre of the synoptic gospels Jesus’s transfiguration is presented as a luminous elevation, rendering his true nature unambiguous. Thirdly, alchemy conceives of metamorphosis as contingent upon a meeting of polarities. The distinction is fit to disclose (...) crucial aspects of works of art, particularly of musical compositions. (shrink)

Time passes, and the inexorability of its passing has deep emotional significance. One of the main themes of this thesis involves an investigation into the metaphysical nature of the passage of time. What sort of metaphysical account of passage should be given? And do our emotional responses to temporal passage have metaphysical implications? The other main theme of the thesis is the issue of the metaphysics of persistence. When a thing is present at more than one time, what is the (...) metaphysical underpinning of its persistence? Some subsidiary issues, which are nevertheless important in their own right, are also discussed. There are interesting connections between the issues of persistence and these further issues, which include the nature of vagueness, and the distinction between intrinsic and extrinsic properties. (shrink)

Electronic Health Records (EHRs) are organized around two kinds of statements: those reporting observations made, and those reporting acts performed. In neither case does the record involve any direct reference to what such statements are actually about. They record not: what is happening on the side of the patient, but rather: what is said about what is happening. While the need for a unique patient identifier is generally recognized, we argue that we should now move to an EHR regime in (...) which all clinically salient particulars – from the concrete disorder on the side of the patient and the body parts in which it occurs to the concrete treatments given – should be uniquely identified. This will allow us to achieve interoperability among different systems of records at the level where it really matters: in regard to what is happening in the real world. It will also allow us to keep track of particular disorders and of the effects of particular treatments in a precise and unambiguous way. We discuss the ontological and epistemological aspects of our claim and describe a scenario for implementation within EHR systems. (shrink)

Comparative overall similarity lies at the basis of a lot of recent metaphysics and epistemology. It is a poor foundation. Overall similarity is supposed to be an aggregate of similarities and differences in various respects. But there is no good way of combining them all.

In this paper I argue that adopting a perdurance view of persistence through time does not lead to skepticism about moral responsibility, despite what many theorists have thought.

Worlds, Lewis says this: Let us say that something persists iff, somehow or other, it exists at various times; this is the neutral word. Something perdures iff it persists by having different temporal parts, or stages, at different times, though no one part of it is wholly present at more than one time; whereas it endures iff it persists by being wholly present at more than one time. Perdurance corresponds to the way a road persists through space; part of it (...) is here, and part of it is there, and no part is wholly present at two different places. Endurance corresponds to the way a universal, if there are such things, would be wholly present wherever and whenever it is instantiated. Endurance involves overlap: the content of two different times has the enduring thing as a common part. Perdurance does not.1 Lewis's remarks suggest the following formulations of the two views in the 3D/4D controversy.2.. (shrink)

In a recent paper, Jiri Benovsky argues that the bundle theory and the substratum theory, traditionally regarded as ‘deadly enemies’ in the metaphysics literature, are in fact ‘twin brothers’. That is, they turn out to be ‘equivalent for all theoretical purposes’ upon analysis. The only exception, according to Benovsky, is a particular version of the bundle theory whose distinguishing features render unappealing. In the present reply article, I critically analyse these undoubtedly relevant claims, and reject them.

In ‘How to part ways smoothly’ Hud Hudson (2007) presents ‘two temporally-continuous spatially unextended material objects that ... share all of their temporal parts up until their very last time-slice’ (2007: 156). They share their location throughout all but the last instant of their lives, at which instant they are a metre apart. Hudson claims that they part smoothly. I shall show that they don’t.