About this topic
Summary Permissivist conceptions of material objects are those that permit a wide variety of macroscopic objects that, despite being right before our eyes, we do not ordinarily take to exist. For instance, according to universalism, for any given plurality of objects, there is an object that is the sum of those objects. Accordingly, there is a partly metal and partly fleshy object that is the sum of your nose and the Eiffel Tower. According to another form of permissivism (sometimes called “the doctrine of plenitude”), every modal profile that can be instantiated in a region consistently with the empirical facts is instantiated in that region. So for instance, when there is a car in a garage, there is also an “incar”, which is necessarily inside the garage and which will cease to exist if the car leaves the garage.  There are two primary motivations for permissivism. The first is that admitting ordinary objects but not extraordinary objects will be intolerably arbitrary. The second is that one who accepts that some pluralities but not others compose a further object will be forced to one or another untenable view about vagueness.
Key works For defenses of universalism, see Rea 1998Sider 1997, and Hudson 2001. For defenses of the doctrine of plenitude, see Sosa 1999 and Bennett 2004.
Introductions Van Cleve 1986; Sider 1997; Rea 1998; Korman 2010; Korman 2010.
Related categories

51 found
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  1. Mark Heller, The Ontology of Physical Objects: Four-Dimensional Hunks of Matter Reviewed By.Laird Addis - 1992 - Philosophy in Review 12 (3):199-203.
  2. Stage Universalism, Voints and Sorts.Marta Campdelacreu Arqués - 2010 - Disputatio 3 (28):1 - 15.
    In the current debate on how ordinary objects persist through time, more than one philosopher has endorsed the following two theses: stage theory and diachronic universalism. In this paper, I would like to offer a so-lution to the problem (related to lingering properties) that Balashov poses to the joint acceptance of these theses. I will also offer a number of rea-sons why, even if it is not necessary to undermine Balashov�s counterex-amples, stage theorists can, without making their theory less appealing, (...)
  3. Review of Objects and Persons, by Trenton Merricks. [REVIEW]Lynne Rudder Baker - 2003 - Australasian Journal of Philosophy 81 (4):597 – 598.
    Book Information Objects and Persons. Objects and Persons Trenton Merricks . Oxford: Clarendon Press , 2001 , pp. xii + 203 , £30 ( cloth ), £14.99 ( paper ) . By Trenton Merricks. Oxford: Clarendon Press. Pp. xii + 203. £30 (cloth:), £14.99 (paper:).
  4. About Stage Universalism.Yuri Balashov - 2007 - Philosophical Quarterly 57 (226):21–39.
    Most four-dimensionalists, including both worm and stage theorists, endorse mereological universalism, the thesis that any class of objects has a fusion. But the marriage of fourdimensionalism and universalism is unfortunate and unprofitable: it creates a recalcitrant problem for stage theory’s account of lingering properties, such as writing ‘War and Piece’ and traveling across the tennis court, which take time to be instantiated. This makes it necessary to impose a natural restriction on diachronic composition.
  5. Material Objects and Essential Bundle Theory.Stephen Barker & Mark Jago - 2018 - Philosophical Studies 175 (12):2969-2986.
    In this paper we present a new metaphysical theory of material objects. On our theory, objects are bundles of property instances, where those properties give the nature or essence of that object. We call the theory essential bundle theory. Property possession is not analysed as bundle-membership, as in traditional bundle theories, since accidental properties are not included in the object’s bundle. We have a different story to tell about accidental property possession. This move reaps many benefits. Essential bundle theory delivers (...)
  6. Vagueness and Arbitrariness: Merricks on Composition.Elizabeth Barnes - 2007 - Mind 116 (461):105-113.
    In this paper I respond to Trenton Merricks's (2005) paper ‘Composition and Vagueness’. I argue that Merricks's paper faces the following difficulty: he claims to provide independent motivation for denying one of the premisses of the Lewis-Sider vagueness argument for unrestricted composition, but the alleged motivation he provides begs the question.
  7. Spatio-Temporal Coincidence and the Grounding Problem.Karen Bennett - 2004 - Philosophical Studies 118 (3):339-371.
    A lot of people believe that distinct objects can occupy precisely the same place for the entire time during which they exist. Such people have to provide an answer to the 'grounding problem' – they have to explain how such things, alike in so many ways, nonetheless manage to fall under different sortals, or have different modal properties. I argue in detail that they cannot say that there is anything in virtue of which spatio-temporally coincident things have those properties. However, (...)
  8. One's a Crowd: Mereological Nihilism Without Ordinary‐Object Eliminativism.Gabriele Contessa - 2014 - Analytic Philosophy 55 (2):199-221.
    Mereological nihilism is the thesis that there are no composite objects—i.e. objects with proper material parts. One of the main advantages of mereological nihilism is that it allows its supporters to avoid a number of notorious philosophical puzzles. However, it seems to offer this advantage only at the expense of certain widespread and deeply entrenched beliefs. In particular, it is usually assumed that mereological nihilism entails eliminativism about ordinary objects—i.e. the counterintuitive thesis that there are no such things as tables, (...)
  9. Analyticity and Ontology.Louis deRosset - 2015 - Oxford Studies in Metaphysics 9.
    /Analyticity theorists/, as I will call them, endorse the /doctrine of analyticity in ontology/: if some truth P analytically entails the existence of certain things, then a theory that contains P but does not claim that those things exist is no more ontologically parsimonious than a theory that also claims that they exist. Suppose, for instance, that the existence of a table in a certain location is analytically entailed by the existence and features of certain particles in that location. The (...)
  10. From Private Experience to Public Language.Steven M. Duncan - manuscript
    After discussing the manifest inconveniences of Galilean physicalism for both science and common sense, I propose an alternate, Aristotelian ontology of material things and show how it solves the epistemological problems engendered by the New Science. Read at the annual POH Symposium in Lake Wenatchee, WA, May 2011.
  11. Cultural Prejudice and the Plenitude Principle.Nikk Effingham - unknown
    The Plenitude Principle is that for every filled spacetime region, there is an object that is exactly located at that region. Hawthorne motivates it on the grounds that it’s the only way to avoid cultural prejudice with regards to what material objects exist (the argument from cultural prejudice). There is a similar argument for a perdurantist-universalist theory, and the content of this paper applies mutatis mutandis to that argument as well.
  12. The Picture of Reality as an Amorphous Lump.Matti Eklund - 2008 - In Theodore Sider, John Hawthorne & Dean W. Zimmerman (eds.), Contemporary Debates in Metaphysics. Blackwell. pp. 382--96.
    (1) Abstract objects. The nominalist (as the label is used today) denies that there exist abstract objects. The platonist holds that there are abstract objects. One example is numbers. The nominalist denies that there are numbers; the platonist typically affirms it.
  13. Neo-Fregean Ontology.Matti Eklund - 2006 - Philosophical Perspectives 20 (1):95–121.
    Neo-Fregeanism in the philosophy of mathematics consists of two main parts: the logicist thesis, that mathematics (or at least branches thereof, like arithmetic) all but reduce to logic, and the platonist thesis, that there are abstract, mathematical objects. I will here focus on the ontological thesis, platonism. Neo-Fregeanism has been widely discussed in recent years. Mostly the discussion has focused on issues specific to mathematics. I will here single out for special attention the view on ontology which underlies the neo-Fregeans’ (...)
  14. A Paradox of Matter and Form.Maegan Fairchild - 2017 - Thought: A Journal of Philosophy 6 (1):33-42.
    In the face of the puzzles of material constitution, some philosophers have been moved to posit a distinction between an object's matter and its form. A familiar difficulty for contemporary hylomorphism is to say which properties are eligible as forms: for example, it seems that it would be intolerably arbitrary to say that being statue shaped is embodied by some material object, but that other complex shape properties aren't. Anti-arbitrariness concerns lead quickly to a plenitudinous ontology. The usual complaint is (...)
  15. Coincidence and Form.Kit Fine - 2008 - Aristotelian Society Supplementary Volume 82 (1):101-118.
    How can a statue and a piece of alloy be coincident at any time at which they exist and yet differ in their modal properties? I argue that this question demands an answer and that the only plausible answer is one that posits a difference in the form of the two objects.
  16. Things and Their Parts.Kit Fine - 1999 - Midwest Studies in Philosophy 23 (1):61-74.
  17. Material Objects: Metaphysical Issues.Cody Sinclair Gilmore - 2004 - Dissertation, Princeton University
    My dissertation divides into four parts, each of which consists of two chapters. ;Part I sets up the issues to be dealt with in the remainder of the dissertation. Chapter One introduces the central presuppositions and primitive notions upon which I rely thereafter. Chapter Two offers a new taxonomy of views about persistence. Whereas the traditional taxonomy recognizes just one distinction---namely, the 3D v. 4D distinction---my new taxonomy recognizes two quite separate distinctions: the distinction between objects that persist by being (...)
  18. Metaphysical Essays.John Hawthorne - 2006 - Oxford University Press.
    John Hawthorne is widely regarded as one of the finest philosophers working today. He is perhaps best known for his contributions to metaphysics, and this volume collects his most notable papers in this field. Hawthorne offers original treatments of fundamental topics in philosophy, including identity, ontology, vagueness, and causation. Six of the essays appear here for the first time, and there is a valuable introduction to guide the reader through the selection.
  19. Quantifier Variance and Realism: Essays in Metaontology.Eli Hirsch - 2010 - Oxford University Press.
    A sense of unity -- Basic objects : a reply to Xu -- Objectivity without objects -- The vagueness of identity -- Quantifier variance and realism -- Against revisionary ontology -- Comments on Theodore Sider's four dimensionalism -- Sosa's existential relativism -- Physical-object ontology, verbal disputes, and common sense -- Ontological arguments : interpretive charity and quantifier variance -- Language, ontology, and structure -- Ontology and alternative languages.
  20. Physical-Object Ontology, Verbal Disputes, and Common Sense.Eli Hirsch - 2005 - Philosophy and Phenomenological Research 70 (1):67–97.
    Two main claims are defended in this paper: first, that typical disputes in the literature about the ontology of physical objects are merely verbal; second, that the proper way to resolve these disputes is by appealing to common sense or ordinary language. A verbal dispute is characterized not in terms of private idiolects, but in terms of different linguistic communities representing different positions. If we imagine a community that makes Chisholm's mereological essentialist assertions, and another community that makes Lewis's four-dimensionalist (...)
  21. Comments on Theodore Sider's Four Dimensionalism. [REVIEW]Eli Hirsch - 2004 - Philosophy and Phenomenological Research 68 (3):658–664.
  22. Tensed Mereology.Paul Hovda - 2013 - Journal of Philosophical Logic 42 (2):241-283.
    Classical mereology (CM) is usually taken to be formulated in a tenseless language, and is therefore associated with a four-dimensionalist metaphysics. This paper presents three ways one might integrate the core idea of flat plenitude, i.e., that every suitable condition or property has exactly one mereological fusion, with a tensed logical setting. All require a revised notion of mereological fusion. The candidates differ over how they conceive parthood to interact with existence in time, which connects to the distinction between endurance (...)
  23. Neo-Aristotelian Plenitude.Ross Inman - 2014 - Philosophical Studies 168 (3):583-597.
    Plenitude, roughly, the thesis that for any non-empty region of spacetime there is a material object that is exactly located at that region, is often thought to be part and parcel of the standard Lewisian package in the metaphysics of persistence. While the wedding of plentitude and Lewisian four-dimensionalism is a natural one indeed, there are a hand-full of dissenters who argue against the notion that Lewisian four-dimensionalism has exclusive rights to plentitude. These ‘promiscuous’ three-dimensionalists argue that a temporalized version (...)
  24. Essential Bundle Theory and Modality.Mark Jago - 2018 - Synthese:1-16.
    Bundle theories identify material objects with bundles of properties. On the traditional approach, these are the properties possessed by that material object. That view faces a deep problem: it seems to say that all of an object’s properties are essential to it. Essential bundle theory attempts to overcome this objection, by taking the bundle as a specification of the object’s essential properties only. In this paper, I show that essential bundle theory faces a variant of the objection. To avoid the (...)
  25. Essence and the Grounding Problem.Mark Jago - 2016 - In Reality Making. Oxford: Oxford University Press. pp. 99-120.
    Pluralists about coincident entities say that distinct entities may be spatially coincident throughout their entire existence. The most pressing issue they face is the grounding problem. They say that coincident entities may differ in their persistence conditions and in the sortals they fall under. But how can they differ in these ways, given that they share all their microphysical properties? What grounds those differences, if not their microphysical properties? Do those differences depend only on the way we conceptualise those objects? (...)
  26. Hylomorphism.Mark Johnston - 2006 - Journal of Philosophy 103 (12):652-698.
  27. Fundamental Quantification and the Language of the Ontology Room.Daniel Z. Korman - 2015 - Noûs 49 (2):298-321.
    Nihilism is the thesis that no composite objects exist. Some ontologists have advocated abandoning nihilism in favor of deep nihilism, the thesis that composites do not existO, where to existO is to be in the domain of the most fundamental quantifier. By shifting from an existential to an existentialO thesis, the deep nihilist seems to secure all the benefits of a composite-free ontology without running afoul of ordinary belief in the existence of composites. I argue that, while there are well-known (...)
  28. Objects: Nothing Out of the Ordinary.Daniel Z. Korman - 2015 - Oxford University Press UK.
    One of the central questions of material-object metaphysics is which highly visible objects there are right before our eyes. Daniel Z. Korman defends a conservative view, according to which our ordinary, natural judgments about which objects there are are more or less correct. He begins with an overview of the arguments that have led people away from the conservative view, into revisionary views according to which there are far more objects than we ordinarily take there to be or far fewer. (...)
  29. Debunking Perceptual Beliefs About Ordinary Objects.Daniel Z. Korman - 2014 - Philosophers' Imprint 14.
    Debunking arguments are arguments that aim to undermine some range of beliefs by showing that those beliefs are not appropriately connected to their subject matter. Arguments of this sort rear their heads in a wide variety of domains, threatening beliefs about morality, mathematics, logic, color, and the existence of God. Perceptual beliefs about ordinary objects, however, are widely thought to be invulnerable to such arguments. I will show that this is a mistake. I articulate a debunking argument that purports to (...)
  30. The Vagueness Argument Against Abstract Artifacts.Daniel Z. Korman - 2014 - Philosophical Studies 167 (1):57-71.
    Words, languages, symphonies, fictional characters, games, and recipes are plausibly abstract artifacts— entities that have no spatial location and that are deliberately brought into existence as a result of creative acts. Many accept that composition is unrestricted: for every plurality of material objects, there is a material object that is the sum of those objects. These two views may seem entirely unrelated. I will argue that the most influential argument against restricted composition—the vagueness argument—doubles as an argument that there can (...)
  31. Familiar Objects and Their Shadows. [REVIEW]Daniel Z. Korman - 2011 - Notre Dame Philosophical Reviews.
  32. Ordinary Objects.Daniel Z. Korman - 2011 - Stanford Encyclopedia of Philosophy.
    An encyclopedia entry which covers various revisionary conceptions of which macroscopic objects there are, and the puzzles and arguments that motivate these conceptions: sorites arguments, the argument from vagueness, the puzzles of material constitution, arguments against indeterminate identity, arguments from arbitrariness, debunking arguments, the overdetermination argument, and the problem of the many.
  33. The Argument From Vagueness.Daniel Z. Korman - 2010 - Philosophy Compass 5 (10):891-901.
    A presentation of the Lewis-Sider argument from vagueness for unrestricted composition and possible responses.
  34. Strange Kinds, Familiar Kinds, and the Charge of Arbitrariness.Daniel Z. Korman - 2010 - Oxford Studies in Metaphysics:119-144.
    Particularists in material-object metaphysics hold that our intuitive judgments about which kinds of things there are and are not are largely correct. One common argument against particularism is the argument from arbitrariness, which turns on the claim that there is no ontologically significant difference between certain of the familiar kinds that we intuitively judge to exist (snowballs, islands, statues, solar systems) and certain of the strange kinds that we intuitively judge not to exist (snowdiscalls, incars, gollyswoggles, the fusion of the (...)
  35. Unrestricted Composition and Restricted Quantification.Daniel Z. Korman - 2008 - Philosophical Studies 140 (3):319-334.
    Many of those who accept the universalist thesis that mereological composition is unrestricted also maintain that the folk typically restrict their quantifiers in such a way as to exclude strange fusions when they say things that appear to conflict with universalism. Despite its prima facie implausibility, there are powerful arguments for universalism. By contrast, there is remarkably little evidence for the thesis that strange fusions are excluded from the ordinary domain of quantification. Furthermore, this reconciliatory strategy seems hopeless when applied (...)
  36. The Naive Conception of Material Objects: A Defense.Daniel Z. Korman - 2007 - Dissertation, University of Texas at Austin
    Chapter 1: “Ordinary Objects and the Argument from Strange Concepts.” Chapter 2: “Restricted Composition Without Sharp Cut-Offs.” Chapter 3: “Three Solutions to the Grounding Problem for Coincident Objects.” Chapter 4: “Ordinary Objects Without Overdetermination.” Chapter 5: “Eliminativism and the Challenge from Folk Belief.” Chapter 6: “Unrestricted Composition and Restricted Quantification.”.
  37. Towards a Neo‐Aristotelian Mereology.Kathrin Koslicki - 2007 - Dialectica 61 (1):127-159.
    This paper provides a detailed examination of Kit Fine’s sizeable contribution to the development of a neo‐Aristotelian alternative to standard mereology; I focus especially on the theory of ‘rigid’ and ‘variable embodiments’, as defended in Fine 1999. Section 2 briefly describes the system I call ‘standard mereology’. Section 3 lays out some of the main principles and consequences of Aristotle’s own mereology, in order to be able to compare Fine’s system with its historical precursor. Section 4 gives an exposition of (...)
  38. Review of John Hawthorne, Metaphysical Essays[REVIEW]E. J. Lowe - 2007 - Notre Dame Philosophical Reviews 2007 (1).
  39. Vagueness and Endurance.E. J. Lowe - 2005 - Analysis 65 (2):104–112.
  40. Parts and Wholes.Kris McDaniel - 2010 - Philosophy Compass 5 (5):412-425.
    Philosophical questions concerning parts and wholes have received a tremendous amount of the attention of contemporary analytic metaphysicians. In what follows, I discuss some of the central questions. The questions to be discussed are: how general is parthood? Are there different kinds of parthood or ways to be a part? Can two things be composed of the same parts? When does composition occur? Can material objects gain or lose parts? What is the logical form of the parthood relation enjoyed by (...)
  41. Objects and Persons.Trenton Merricks - 2001 - Oxford University Press.
    Objects and Persons presents an original theory about what kinds of things exist. Trenton Merricks argues that there are no non-living inanimate macrophysical objects -- no statues or rocks or chairs or stars -- because they would have no causal role over and above the causal role of their microphysical parts. Humans do exist: we have non-redundant causal powers. Along the way, Merricks has interesting things to say about mental causation, free will, and various philosophical puzzles. Anyone working in metaphysics (...)
  42. Four-Dimensionalism.Theodore Sider - 1997 - Philosophical Review 106 (2):197-231.
    Persistence through time is like extension through space. A road has spatial parts in the subregions of the region of space it occupies; likewise, an object that exists in time has temporal parts in the various subregions of the total region of time it occupies. This view — known variously as four dimensionalism, the doctrine of temporal parts, and the theory that objects “perdure” — is opposed to “three dimensionalism”, the doctrine that things “endure”, or are “wholly present”.1 I will (...)
  43. Existential Relativity.Ernest Sosa - 1999 - Midwest Studies in Philosophy 23 (1):132–143.
  44. Putnam's Pragmatic Realism.Ernest Sosa - 1993 - Journal of Philosophy 60 (12):605-626.
  45. Subjects Among Other Things.Ernest Sosa - 1987 - Philosophical Perspectives 1:155-187.
  46. Ordinary Objects.Amie Thomasson (ed.) - 2007 - Oxford University Press.
    Arguments that ordinary inanimate objects such as tables and chairs, sticks and stones, simply do not exist have become increasingly common and increasingly prominent. Some are based on demands for parsimony or for a non-arbitrary answer to the special composition question; others arise from prohibitions against causal redundancy, ontological vagueness, or co-location; and others still come from worries that a common sense ontology would be a rival to a scientific one. Until now, little has been done to address these arguments (...)
  47. Metaphysical Arguments Against Ordinary Objects.Amie Thomasson - 2006 - Philosophical Quarterly 56 (224):340 - 359.
    Several prominent attacks on the objects of 'folk ontology' argue that these would be omitted from a scientific ontology, or would be 'rivals' of scientific objects for their claims to be efficacious, occupy space, be composed of parts, or possess a range of other properties. I examine causal redundancy and overdetermination arguments, 'nothing over and above' appeals, and arguments based on problems with collocation and with property additivity. I argue that these share a common problem: applying conjunctive principles to cases (...)
  48. When Are Objects Parts?Peter van Inwagen - 1987 - Philosophical Perspectives 1:21-47.
  49. Quick Thinking? Not so Fast!V. White - 2004 - Sorites 15:7-10.
    Hud Hudson has argued that with a few assumptions one can prove that superluminal objects exist. I argue that even if the assumptions are true that his argument, if sound, leads to a proliferation of movers packing given spaces. I further argue that his argument as it stands cannot in fact entail that objects moving at any speed exist.
  50. Familiar Objects and Their Shadows. By Crawford L. Elder. (Cambridge UP, 2011. Pp. Xi + 210. Price £50.00, $85.00 H/B.). [REVIEW]Nathan Wildman - 2012 - Philosophical Quarterly 62 (246):195-197.
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