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  1. Tomasz Bigaj (2008). On Temporal Becoming, Relativity, and Quantum Mechanics. In Dennis Dieks (ed.), The Ontology of Spacetime II.
    In the first section of the chapter, I scrutinize Howard Stein’s 1991 definition of a transitive becoming relation that is Lorentz invariant. I argue first that Stein’s analysis gives few clues regarding the required characteristics of the relation complementary to his becoming—i.e. the relation of indefiniteness. It turns out that this relation cannot satisfy the condition of transitivity, and this fact can force us to reconsider the transitivity requirement as applied to the relation of becoming. I argue that the relation (...)
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  2. Thomas Bittner & Barry Smith (2003). Granular Spatio-Temporal Ontologies. AAAI Symposium:12-17.
    We propose an ontological theory that is powerful enough to describe both complex spatio-temporal processes (occurrents) and the enduring entities (continuants) that participate therein. The theory is divided into two major categories of sub-theories: (sub-) theories of type SPAN and (sub-)theories of type SNAP. These theories represent two complementary perspectives on reality and result in distinct though compatible systems of categories. In SNAP we have enduring entities such as substances, qualities, roles, functions; in SPAN we have perduring entities such as (...)
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  3. R. Brown, J. F. Glazebrook & I. C. Baianu (2007). A Conceptual Construction of Complexity Levels Theory in Spacetime Categorical Ontology: Non-Abelian Algebraic Topology, Many-Valued Logics and Dynamic Systems. [REVIEW] Axiomathes 17 (3-4):409-493.
    A novel conceptual framework is introduced for the Complexity Levels Theory in a Categorical Ontology of Space and Time. This conceptual and formal construction is intended for ontological studies of Emergent Biosystems, Super-complex Dynamics, Evolution and Human Consciousness. A claim is defended concerning the universal representation of an item’s essence in categorical terms. As an essential example, relational structures of living organisms are well represented by applying the important categorical concept of natural transformations to biomolecular reactions and relational structures that (...)
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  4. Roberto Casati & Achille C. Varzi (1997). Spatial Entities. In Oliviero Stock (ed.), Spatial and Temporal Reasoning. Kluwer. 73–96.
    Ordinary reasoning about space—we argue—is first and foremost reasoning about things or events located in space. Accordingly, any theory concerned with the construction of a general model of our spatial competence must be grounded on a general account of the sort of entities that may enter into the scope of the theory. Moreover, on the methodological side the emphasis on spatial entities (as opposed to purely geometrical items such as points or regions) calls for a reexamination of the conceptual categories (...)
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  5. Roberto Casati & Achille C. Varzi (1996). The Structure of Spatial Localization. Philosophical Studies 82 (2):205 - 239.
    What are the relationships between an entity and the space at which it is located? And between a region of space and the events that take place there? What is the metaphysical structure of localization? What its modal status? This paper addresses some of these questions in an attempt to work out at least the main coordinates of the logical structure of localization. Our task is mostly taxonomic. But we also highlight some of the underlying structural features and we single (...)
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  6. Gabriele Contessa (2008). A Note on the Nomic Possibility of a Dynamic Shift. Erkenntnis 68 (2):187 - 190.
    In this note, I argue that a dynamically shifted world—i.e. a world identical to our own except for a fixed constant difference in the absolute acceleration of each object—is nomically impossible in a Newtonian world populated by finitely many objects. A dynamic shift however seems to be nomically possible in a world populated by infinitely many objects, but only in a broad sense of nomic possibility.
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  7. Cian Dorr (2011). Physical Geometry and Fundamental Metaphysics. Proceedings of the Aristotelian Society 111 (1pt1):135-159.
    I explore some ways in which one might base an account of the fundamental metaphysics of geometry on the mathematical theory of Linear Structures recently developed by Tim Maudlin (2010). Having considered some of the challenges facing this approach, Idevelop an alternative approach, according to which the fundamental ontology includes concrete entities structurally isomorphic to functions from space-time points to real numbers.
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  8. David Ellerman, Why Delayed Choice Experiments Do NOT Imply Retrocausality.
    There is a fallacy that is often involved in the interpretation of quantum experiments involving a certain type of separation such as the: double-slit experiments, which-way interferometer experiments, polarization analyzer experiments, Stern-Gerlach experiments, and quantum eraser experiments. The fallacy leads not only to flawed textbook accounts of these experiments but to flawed inferences about retrocausality in the context of delayed choice versions of separation experiments.
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  9. Michael Esfeld & Vincent Lam (2006). Moderate Structural Realism About Space-Time. Synthese 160 (1):27 - 46.
    This paper sets out a moderate version of metaphysical structural realism that stands in contrast to both the epistemic structural realism of Worrall and the—radical—ontic structural realism of French and Ladyman. According to moderate structural realism, objects and relations (structure) are on the same ontological footing, with the objects being characterized only by the relations in which they stand. We show how this position fares well as regards philosophical arguments, avoiding the objections against the other two versions of structural realism. (...)
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  10. Sharon R. Ford (2011). Deriving the Manifestly Qualitative World From a Pure-Power Base: Light-Like Networks. Philosophia Scientiae 15 (3):155-175.
    Seeking to derive the manifestly qualitative world of objects and entities without recourse to fundamental categoricity or qualitativity, I offer an account of how higher-order categorical properties and objects may emerge from a pure-power base. I explore the possibility of ‘fields’ whose fluctuations are force-carrying entities, differentiated with respect to a micro-topology of curled-up spatial dimensions. Since the spacetime paths of gauge bosons have zero ‘spacetime interval’ and no time-like extension, I argue that according them the status of fundamental entities (...)
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  11. Shan Gao, Derivation of the Schrödinger Equation.
    It is shown that the heuristic "derivation" of the Schrödinger equation in quantum mechanics textbooks can be turned into a real derivation by resorting to spacetime translation invariance and relativistic invariance.
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  12. Hilary Greaves, In Search of Spacetime Structuralism.
    The debate between substantivalists and relationists about spacetime was given a new lease of life approximately twenty years ago, when John Earman and John Norton published an argument for the conclusion that, in the light of general relativity, substantivalism is untenable. Responses to Earman and Norton’s argument generated a proliferation of ‘substantivalisms’, and a debate between them that was, to the ears of at least some, distinctively metaphysical in character.
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  13. Hilary Greaves (2011). In Search of (Spacetime) Structuralism. Philosophical Perspectives 25 (1):189-204.
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  14. Douglas Kutach (2010). A Connection Between Minkowski and Galilean Space-Times in Quantum Mechanics. International Studies in the Philosophy of Science 24 (1):15 – 29.
    Relativistic quantum theories are equipped with a background Minkowski spacetime and non-relativistic quantum theories with a Galilean space-time. Traditional investigations have distinguished their distinct space-time structures and have examined ways in which relativistic theories become sufficiently like Galilean theories in a low velocity approximation or limit. A different way to look at their relationship is to see that both kinds of theories are special cases of a certain five-dimensional generalization involving no limiting procedures or approximations. When one compares them, striking (...)
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  15. Matteo Morganti (2013). Combining Science and Metaphysics. Palgrave Macmillan.
    Science and philosophy both express, and attempt to quench, the distinctively human thirst for knowledge. Today, their mutual relationship has become one of conflict or indifference rather than cooperation. At the same time, scientists and philosophers alike have moved away from at least some of our ordinary beliefs. But what can scientific and philosophical theories tell us about the world, in isolation from each other? And to what extent does a sophisticated investigation into the nature of things force us to (...)
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  16. Thomas Mormann (2013). Heyting Mereology as a Framework for Spatial Reasoning. Axiomathes 23 (1):137- 164.
    In this paper it is shown that Heyting and Co-Heyting mereological systems provide a convenient conceptual framework for spatial reasoning, in which spatial concepts such as connectedness, interior parts, (exterior) contact, and boundary can be defined in a natural and intuitively appealing way. This fact refutes the wide-spread contention that mereology cannot deal with the more advanced aspects of spatial reasoning and therefore has to be enhanced by further non-mereological concepts to overcome its congenital limitations. The allegedly unmereological concept of (...)
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  17. Jill North (2009). The “Structure” of Physics. Journal of Philosophy 106 (2):57-88.
    We are used to talking about the “structure” posited by a given theory of physics. We say that relativity is a theory about spacetime structure. Special relativity posits one spacetime structure; different models of general relativity posit different spacetime structures. We also talk of the “existence” of these structures. Special relativity says the world’s spacetime structure is Minkowskian: it posits that this spacetime structure exists. Understanding structure in this sense seems important for understanding what physics is telling us about the (...)
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  18. Oliver Pooley (2006). Points, Particles and Structural Realism. In Dean Rickles, Steven French & Juha Saatsi (eds.), The Structural Foundations of Quantum Gravity. Oxford University Press. 83--120.
    In his paper ``What is Structural Realism?'' James Ladyman drew a distinction between epistemological structural realism and metaphysical (or ontic) structural realism. He also drew a suggestive analogy between the perennial debate between substantivalist and relationalist interpretations of spacetime on the one hand, and the debate about whether quantum mechanics treats identical particles as individuals or as `non-individuals' on the other. In both cases, Ladyman's suggestion is that an ontic structural realist interpretation of the physics might be just what is (...)
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  19. Dean Rickles, Steven French & Juha Saatsi (eds.) (2006). The Structural Foundations of Quantum Gravity. Oxford University Press.
    This volume closes that gap, with essays written by some of the leading researchers in the field.
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  20. Mark F. Sharlow, Time and Subjective Facts: Readings in From Brain to Cosmos.
    This document consists primarily of excerpts (chapters 5 and 7-9) from the author’s book From Brain to Cosmos. These excerpts address some traditional philosophical problems about temporal flux and identity through time, using the concept of subjective fact that the author developed earlier in the book. (Readers unfamiliar with that concept are strongly advised to read chapters 2 and 3 of From Brain to Cosmos first. See the last page of this document for details on how to obtain those chapters.).
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  21. Barry Smith (1987). The Substance of Brentano's Ontology. Topoi 6 (1):39-49.
    This paper is a study of Brentano’s ontology, and more specifically of his theory of substance and accident as put forward toward the end of his life in the materials collected together as the Kategorienlehre or Theory of Categories. Here Brentano presents an auditious (re-)interpretation of Aristotle’s theory of substance and accidence. We show that on the Brentano initially defends, it is space which serves as the single substance upon which all other entities depend as accidents of space. In an (...)
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  22. Joshua Spencer (2010). A Tale of Two Simples. Philosophical Studies 148 (2):167 - 181.
    A material simple is a material object that has no proper parts. Some philosophers have argued for the possibility of extended simples. Some have even argued for the possibility of heterogeneous simples or simples that have intrinsic variations across their surfaces. There is a puzzle, though, that is meant to show that extended, heterogeneous simples are impossible. Although several plausible responses have been given to this puzzle, I wish to reopen the case against extended, heterogeneous simples. In this paper, I (...)
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  23. Giuliano Torrengo (2014). Il caso Tridim. In Elena Casetta & Valeria Giardino (eds.), Mettere a fuoco il mondo. © ISONOMIA – Epistemologica, University of Urbino. 86-94.
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  24. Mario Bacelar Valente, The Relativity of Simultaneity and Presentism.
    According to conventional wisdom, presentism is at odds with the theory of relativity. This is supposed to be shown quite simply just by considering the relativity of simultaneity. In this paper I will show that conventional wisdom is wrong. In fact by clarifying the physical meaning of the relativity of simultaneity one can inform the philosophical debate and endorse a presentist view.
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  25. Antonio Vassallo (forthcoming). General Covariance, Diffeomorphism Invariance, and Background Independence in 5 Dimensions. In Tomasz Bigaj & Christian Wüthrich (eds.), Metaphysics in Contemporary Physics. Rodopi.
    The paper considers the "GR-desideratum", that is, the way general relativity implements general covariance, diffeomorphism invariance, and background independence. Two cases are discussed where 5-dimensional generalizations of general relativity run into interpretational troubles when the GR-desideratum is forced upon them. It is shown how the conceptual problems dissolve when such a desideratum is relaxed. In the end, it is suggested that a similar strategy might mitigate some major issues such as the problem of time or the embedding of quantum non-locality (...)
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  26. Guido J. M. Verstraeten (1987). Thermodynamical Reduction of the Anisotropy of Time by Introducing Irreversibility on Microscopical Scale. In Y. S. Kim and W. W. Zachary (ed.), The Physics of Phase Space Nonlinear Dynamics and Chaos Geometric Quantization, and Wigner Function Lecture Notes in Physics Volume 278, 1987,. Springer Verlag. 438-440.
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