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146 found
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1 — 50 / 146
  1. added 2018-12-12
    Weak Discernibility for Quanta, the Right Way.Nick Huggett & Joshua Norton - 2014 - British Journal for the Philosophy of Science 65 (1):39-58.
    Muller and Saunders ([2008]) purport to demonstrate that, surprisingly, bosons and fermions are discernible; this article disputes their arguments, then derives a similar conclusion in a more satisfactory fashion. After briefly explicating their proof and indicating how it escapes earlier indiscernibility results, we note that the observables which Muller and Saunders argue discern particles are (i) non-symmetric in the case of bosons and (ii) trivial multiples of the identity in the case of fermions. Both problems undermine the claim that they (...)
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  2. added 2018-07-14
    Explanation and Individual Essence.Márta Ujvári - 2017 - European Journal of Analytic Philosophy 13 (2):23-42.
    In this paper I show that a novel ontic reading of explanation, intending to capture the de re essential features of individuals, can support the qualitative view of individual essences. It is argued further that the putative harmful consequences of the Leibniz Principle (PII) and its converse for the qualitative view can be avoided, provided that individual essences are not construed in the style of the naïve bundle theory with set-theoretical identity- conditions. Adopting either the more sophisticated two-tier BT or, (...)
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  3. added 2018-06-12
    The Metaphysics of Identity.André Gallois - 2016 - Routledge.
    The philosophy problem of identity and the related problem of change go back to the ancient Greek philosophers and fascinated later figures including Leibniz, Locke and Hume. Heraclitus argued that one could not swim in the same river twice because new waters were ever flowing in. When is a river not the same river? If one removes one plank at a time when is a ship no longer a ship? What is the basic nature of identity and persistence? This book (...)
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  4. added 2018-06-12
    Review of Fraser MacBride (Ed.), Identity and Modality[REVIEW]Matti Eklund - 2007 - Notre Dame Philosophical Reviews 2007 (3).
  5. added 2018-06-12
    The Ontological Status of Identity.Robert Anthony Delfino - 2001 - Dissertation, State University of New York at Buffalo
    This dissertation is an investigation of the ontological status of identity . The preface is a discussion of how foundational and important metaphysical issues concerning identity are for philosophy in general, and of some of the problems that have plagued the study of identity historically. ;In chapter one various issues concerning identity are framed and the metaphysical issues are divided into two main genera: persistence problems and ontological problems. The primary attention of the dissertation is not given to persistence problems, (...)
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  6. added 2018-06-12
    The Identity of Indiscernibles and the Formalist Definition of " Identity ".Gustav Bebqmann - 1953 - Mind 62 (245):75-79.
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  7. added 2018-05-18
    Odróżnialność a indywidualność.Blazej Skrzypulec - 2011 - Filozofia Nauki 19 (3):13.
    Od opublikowania tekstu Maxa Blacka The Identity of Indiscernibles (1952) — stanowiącego locus classicus analitycznych dyskusji dotyczących obowiązywania zasady identyczności przedmiotów nieodróżnialnych — minęło już blisko 60 lat. W rozlicznych tekstach napisanych od tego czasu niejednokrotnie zwracano uwagę, że rozwiązanie problemu w dużej mierze determinowane jest przez przyjęte założenia, np. odnośnie zaakceptowanej wersji zasady identyczności przedmiotów nieodróżnialnych (np. Adams 1979) lub natury przestrzeni (np. O’Connor 1976). W poniższym tekście postaram się pokazać, w jaki sposób zmiany w przyjętych założeniach wpływają na (...)
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  8. added 2018-02-17
    The Physical World as a Blob: Is OSR Really Realism?Mauro Dorato - 2016 - Metascience 25 (2):173-181.
    In my review of Steven French's The structure of the world. Metaphysics & Representation. OUP, Oxford, 2014 I argue that the author is forced to navigate between the Scilla of Tegmark’s Pitagoreanism (2008) and the Carybdis of “blobobjectivism” (Horgan and Potrč 2008), namely the claim that the whole physical universe is a single concrete structurally complex but partless cosmos (a “blob”).
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  9. added 2018-02-16
    The Ambiguity of Indiscernibility.John Dilworth - manuscript
    I argue that there is an ambiguity in the concept of indiscernibility as applied to objects, because there are two different categories of properties, associated with two different ways in which all of the pre-theoretical 'properties' of an object may be identified. In one structural way, identifications of properties are independent of any particular spatial orientation of the object in question, but in another 'field' way, identifications are instead dependent on an object's particular spatial orientation, so that its properties as (...)
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  10. added 2017-09-22
    Bohm's Approach and Individuality.Paavo Pylkkänen, Basil J. Hiley & Ilkka Pättiniemi - 2016 - In Alexandre Guay & Thomas Pradeu (eds.), Individuals Across the Sciences. Oxford, UK: Oxford University Press.
    Ladyman and Ross argue that quantum objects are not individuals and use this idea to ground their metaphysical view, ontic structural realism, according to which relational structures are primary to things. LR acknowledge that there is a version of quantum theory, namely the Bohm theory, according to which particles do have denite trajectories at all times. However, LR interpret the research by Brown et al. as implying that "raw stuff" or haecceities are needed for the individuality of particles of BT, (...)
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  11. added 2017-08-21
    On Discernibility and Symmetries.Tomasz Bigaj - 2015 - Erkenntnis 80 (1):117-135.
    This paper addresses the issue of the multiplicity of various grades of discernibility that can be defined in model theory. Building upon earlier works on the subject, I first expand the known logical categorizations of discernibility by introducing several symmetry-based concepts of discernibility, including one I call “witness symmetry-discernibility”. Then I argue that only grades of discernibility stronger than this one possess certain intuitive features necessary to individuate objects. Further downsizing of the set of non-equivalent grades of discernibility can be (...)
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  12. added 2017-08-21
    L’Identité des indiscernablesThe Identity of Indiscernibles.Max Black - 2012 - Philosophia Scientiae 16:121-132.
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  13. added 2017-08-21
    L’Identité des indiscernablesThe Identity of Indiscernibles.Max Black - 2012 - Philosophia Scientae 16:121-132.
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  14. added 2017-08-21
    Identity and Necessary Similarity.Raja Bahlul - 1992 - Canadian Journal of Philosophy 22 (4):531 - 546.
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  15. added 2017-08-21
    The Identity of Indiscernibles.A. J. Ayer - 1953 - Proceedings of the XIth International Congress of Philosophy 3:124-129.
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  16. added 2017-08-19
    The Repeatability Argument and the Non-Extensional Bundle Theory.Matteo Benocci - 2018 - Australasian Journal of Philosophy 96 (3):432-446.
    ABSTRACTI present a new objection to Bundle Theory. The objection rests on the repeatability of universals, and targets every version of Bundle Theory that assumes that concrete particulars constituted by the same universals are numerically identical. The only way that bundle theorists can elude this objection is to admit the possibility of distinct bundles constituted by the same universals. If even this view is untenable, then Bundle Theory as such is hopeless. Finally, I show how the present inquiry reshapes the (...)
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  17. added 2017-06-13
    Discernibility and Qualitative Difference.Micah Newman - 2014 - Journal of Philosophical Research 39:43-49.
    The Principle of the Identity of Indiscernibles, according to which two objects are identical if they share all the same properties, has come in for much criticism. Michael Della Rocca has recently defended PII on the grounds that it is needed to forestall the possibility that where there appears to be only one object present, there is actually a multiplicity of exactly-overlapping such objects. Katherine Hawley has criticized this approach for violating a plausible “ground rule” in applying rules of indiscernibility (...)
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  18. added 2017-01-27
    Some Remarks About Indistinguishability and Elementary Particles.Adonai S. Sant’Anna - 1997 - Logique Et Analyse 157:45-66.
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  19. added 2017-01-26
    Axioms for Collections of Indistinguishable Objects.Décio Krause - 1996 - Logique Et Analyse 153 (154):69-93.
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  20. added 2016-12-08
    Identity and Indiscernibility.K. Hawley - 2009 - Mind 118 (469):101-119.
    Putative counterexamples to the Principle of Identity of Indiscernibles (PII) are notoriously inconclusive. I establish ground rules for debate in this area, offer a new response to such counterexamples for friends of the PII, but then argue that no response is entirely satisfactory. Finally, I undermine some positive arguments for PII.
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  21. added 2016-12-08
    Discerning Fermions.Simon Saunders & F. A. Muller - 2008 - British Journal for the Philosophy of Science 59 (3):499 - 548.
    We demonstrate that the quantum-mechanical description of composite physical systems of an arbitrary number of similar fermions in all their admissible states, mixed or pure, for all finite-dimensional Hilbert spaces, is not in conflict with Leibniz's Principle of the Identity of Indiscernibles (PII). We discern the fermions by means of physically meaningful, permutation-invariant categorical relations, i.e. relations independent of the quantum-mechanical probabilities. If, indeed, probabilistic relations are permitted as well, we argue that similar bosons can also be discerned in all (...)
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  22. added 2016-12-08
    Issues and Options in Individuation.J. P. Moreland - 2000 - Grazer Philosophische Studien 60 (1):31-54.
    Construed metaphysically, the problem of individuation is the problem of offering an ontological assay of two entities that share all their pure properties in common so as to offer an account of what makes them distinct particulars. This article provides a survey of the major contemporary attempts to answer this problem. To accomplish this goal, the most important contemporary advocates of each solution is analyzed: the trope nominalism of Keith Campbell, the realism of D. M. Armstrong, the Leibnizian essence view (...)
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  23. added 2016-09-30
    Graph Theory and The Identity of Indiscernibles.Callum Duguid - 2016 - Dialectica 70 (3):463-474.
    The mathematical field of graph theory has recently been used to provide counterexamples to the Principle of the Identity of Indiscernibles. In response to this, it has been argued that appeal to relations between graphs allows the Principle to survive the counterexamples. In this paper, I aim to show why that proposal does not succeed.
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  24. added 2016-07-07
    Discernibility and Qualitative Difference.Micah Newman - 2014 - Journal of Philosophical Research 39:43-49.
    The Principle of the Identity of Indiscernibles , according to which two objects are identical if they share all the same properties, has come in for much criticism. Michael Della Rocca has recently defended PII on the grounds that it is needed to forestall the possibility that where there appears to be only one object present, there is actually a multiplicity of exactly-overlapping such objects. Katherine Hawley has criticized this approach for violating a plausible “ground rule” in applying rules of (...)
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  25. added 2016-05-25
    Leibnizian Rejection of Standard Thought Experiments Against Identity of Indiscernibles.Ari Maunu - 2015 - Metaphysica 16 (2):189-193.
    It is argued that from a genuine Leibnizian point of view the well-known thought experiment, call it BTE, involving a possible world with only two exactly similar objects, cannot be used to refute Leibniz's Principle of the Identity of Indiscernibles (LIdI). If the claim that there are two objects in BTE is based on primitive thisnesses, the Leibnizian objection is that there are no such things; and even if there were, then, quite generally, something true of one object – that (...)
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  26. added 2016-04-04
    Weak Discernibility and Relations Between Quanta.Joshua Norton - unknown
    Some authors have attempted to defend Leibniz's identity of indicernibes through weak discernibility. The idea is that if there is a symmetric, non-reflexive physical relation which holds between two particles, then those particles cannot be identical. In this paper I focus only on Muller and Saunders' account and argue that the means by which they achieve weak discernibility is not through a physical observable but an alternate mathematical construction which is both unorthodox and incomplete. Muller and Saunders build a map (...)
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  27. added 2016-02-27
    Identical Legal Entities and the Trinity: Relative-Social Trinitarianism.James Goetz - 2016 - Journal of Analytic Theology 4 (1):128-146.
    Goetz outlined legal models of identical entities that include natural persons who are identical to a coregency and natural persons who are identical to a general partnership. Those entities cohere with the formula logic of relative identity. This essay outlines the coexistence of relative identity and numerical identity in the models of identical legal entities, which is impure relative identity. These models support the synthesis of Relative Trinitarianism and Social Trinitarianism, which I call Relative-Social Trinitarianism.
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  28. added 2016-01-22
    Structuralism and Its Ontology.Marc Gasser - 2015 - Ergo: An Open Access Journal of Philosophy 2:1-26.
    A prominent version of mathematical structuralism holds that mathematical objects are at bottom nothing but "positions in structures," purely relational entities without any sort of nature independent of the structure to which they belong. Such an ontology is often presented as a response to Benacerraf's "multiple reductions" problem, or motivated on hermeneutic grounds, as a faithful representation of the discourse and practice of mathematics. In this paper I argue that there are serious difficulties with this kind of view: its proponents (...)
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  29. added 2016-01-08
    Weak Discernibility and the Identity of Spacetime Points.Dennis Dieks - 2010 - In Giovanni Macchia, Francesco Orilia & Vincenzo Fano (eds.), Space and Time: A Priori and a Posteriori Studies. De Gruyter. pp. 43-62.
    In this article we investigate putative counterexamples to Leibniz’s principle of the Identity of Indiscernibles. In particular, we look at the status of spacetime points: although these all possess exactly the same properties in symmetrical spacetimes and thus seem indiscernible, there are certainly more than one of them. However, we shall defend Leibniz’s principle, even for such highly symmetrical cases. Part of our strategy will be to invoke the notion of “weak discernibility”, as proposed in the recent literature. Weakly discernible (...)
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  30. added 2016-01-08
    Some Observations on the Identity of Indiscernibles.M. Carrara - 2002 - Rivista di Storia Della Filosofia 57 (1):28-45.
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  31. added 2016-01-08
    Identity, Essence, and Indiscernibility.Stephen Yablo - 1987 - Journal of Philosophy 84 (6):293-314.
  32. added 2016-01-08
    Identity and the Formation of the Notion of Object. Or: The Identity of Indiscernibles: A Synthetic a Priori.Gilead Bar-Elli - 1982 - Erkenntnis 17 (2):229 - 248.
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  33. added 2016-01-08
    Identity and Reference.A. J. Ayer - 1975 - Philosophia 5 (3):171-192.
  34. added 2016-01-06
    Identity of Indiscernibilities.P. Forrest - forthcoming - Stanford Encyclopedia of Philosophy.
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  35. added 2016-01-06
    The Identity of Indiscernibles.Michael Wreen - 2015 - Philosophy 90 (1):33-57.
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  36. added 2016-01-06
    The Identity of Indiscernibles and the Principle of No Co-Location.Roberto Casati & Giuliano Torrengo - unknown
    we propose a revised version of Black's original argument against the principle of identity of indiscernibles. Our aim is to examine a puzzle regarding the intuitiveness of arguments, by showing that the revised version is clearly less intuitive than Black's original one, and appears to be unjustified by our ordinary means of assessment of intuitions.
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  37. added 2016-01-06
    The Identity of Indiscernibles and the Articulability of Concepts.Michael Della Rocca - 2008 - Linguistic and Philosophical Investigations 7.
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  38. added 2016-01-06
    The Identity of Indiscernibles: Some Tractarian Reflections.Jay F. Rosenberg - 1998 - Acta Analytica 21:11-30.
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  39. added 2016-01-06
    Eternal Recurrence and the Principle of the Identity of Indiscernibles.Sandra J. Reeves - 1986 - International Studies in Philosophy 18 (2):49-59.
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  40. added 2016-01-06
    The Identity of Indiscernibles.Verne Warren Bourgeois - 1979 - Dissertation, University of California, Irvine
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  41. added 2016-01-06
    A Theorem on Absolute Indiscernibles.D. A. Anapolitanos - 1978 - Studia Logica 37 (3):291 - 295.
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  42. added 2016-01-06
    The Indiscernibility of Identicals and the Relativity of Identity.Douglas Odegard - 1978 - Philosophical Studies 33 (3):313 - 317.
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  43. added 2016-01-06
    The Principle Of The Identity Of Indiscernibles:A False Principle.Alberto Cortes - 1975 - Southwest Philosophical Studies (xx):xx.
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  44. added 2016-01-06
    The Identity of Indiscernibles.David A. Shotwell - 1974 - Dialectica 28 (3‐4):239-242.
    SummaryOne form of the principle of the identity of indiscernibles asserts that for any two distinct entities it is necessarily the case that there is a description which distinguishes between them, in that it applies to one but not to the other. In this paper it is argued that this form of the principle is false. The argument is based upon the nature of language, in particular the need for ostensive definition of terms which are not verbally definable. It is (...)
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  45. added 2015-10-10
    Essentialism and the Identity of Indiscernables.Michael B. Burke - 1983 - Philosophy Research Archives 9:223-243.
    The paper formulates and defends a version of the Identity of Indiscernibles and demonstrates that it entails a non-trivial version of the doctrine of essentialism.
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  46. added 2015-09-16
    The Discernibility of Identicals.Donald L. M. Baxter - 1999 - Journal of Philosophical Research 24:37-55.
    I argue via examples that there are cases in which things that are not two distinct things qualitatively differ without contradiction. In other words, there are cases in which something differs from itself. Standard responses to such cases are to divide the thing into distinct parts, or to conceive of the thing under different descriptions, or to appeal to different times, or to deny that the property had is the property lacked. I show these responses to be unsatisfactory. I then (...)
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  47. added 2015-04-09
    Composition as a Kind of Identity.Phillip Bricker - 2016 - Inquiry: An Interdisciplinary Journal of Philosophy 59 (3):264-294.
    Composition as identity, as I understand it, is a theory of the composite structure of reality. The theory’s underlying logic is irreducibly plural; its fundamental primitive is a generalized identity relation that takes either plural or singular arguments. Strong versions of the theory that incorporate a generalized version of the indiscernibility of identicals are incompatible with the framework of plural logic, and should be rejected. Weak versions of the theory that are based on the idea that composition is merely analogous (...)
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  48. added 2015-03-26
    Numerical Identity and Objecthood.Berent Enç - 1975 - Mind 84 (333):10-26.
    There is a category of objects such that for any two occurrences of an object in that category, Establishing the highest degree of their qualitative identity will not be sufficient to establish that the object involved is one and the same. It is first argued that objects in this category occupy positions in a spatio-Temporal continuum and obey certain principles of conservation. And then two criteria for the numerical identity of these objects are developed: (a) that there are scientific laws (...)
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  49. added 2015-03-17
    The Rumble in the Bundle.Benjamin L. Curtis - 2014 - Noûs 48 (2):298-313.
    In 1952, two well-known characters called ‘A’ and ‘B’ met for the first time to argue about the Identity of Indiscernibles (Black, 1952). A argued that the principle is true, and B that it is false. By all accounts A took a bit of a beating and came out worst-off. Forty-three years later John O’Leary-Hawthorne offered a response on behalf of A that looked as if it would work so long as A was willing to accept the universal-bundle theory of (...)
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  50. added 2015-03-17
    Identity.Harold Noonan & Benjamin L. Curtis - 2014 - Stanford Encyclopedia of Philosophy.
    Much of the debate about identity in recent decades has been about personal identity, and specifically about personal identity over time, but identity generally, and the identity of things of other kinds, have also attracted attention. Various interrelated problems have been at the centre of discussion, but it is fair to say that recent work has focussed particularly on the following areas: the notion of a criterion of identity; the correct analysis of identity over time, and, in particular, the disagreement (...)
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1 — 50 / 146