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  1. added 2019-01-11
    Celestial Chaos: The New Logics of Theory-Testing in Orbital Dynamics.Isaac Wilhelm - 2016 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics.
    I explore how the nature, scope, and limits of the knowledge obtained in orbital dynamics has changed in recent years. Innovations in the design of spacecraft trajectories, as well as in astronomy, have led to new logics of theory-testing—that is, new research methodologies—in orbital dynamics. These methodologies—which combine resonance overlap theories, numerical experiments, and the implementation of space missions—were developed in response to the discovery of chaotic dynamical systems in our solar system. In the past few decades, they have replaced (...)
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  2. added 2018-09-19
    The Principle of Equivalence as a Criterion of Identity.Ryan Samaroo - forthcoming - Synthese:1-25.
    In 1907 Einstein had the insight that bodies in free fall do not “feel” their own weight. This has been formalized in what is called “the principle of equivalence.” The principle motivated a critical analysis of the Newtonian and special-relativistic concepts of inertia, and it was indispensable to Einstein’s development of his theory of gravitation. A great deal has been written about the principle. Nearly all of this work has focused on the content of the principle and whether it has (...)
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  3. added 2018-09-09
    Minimal Approximations and Norton’s Dome.Samuel C. Fletcher - forthcoming - Synthese.
    In this note, I apply Norton’s (Philos Sci 79(2):207–232, 2012) distinction between idealizations and approximations to argue that the epistemic and inferential advantages often taken to accrue to minimal models (Batterman in Br J Philos Sci 53:21–38, 2002) could apply equally to approximations, including “infinite” ones for which there is no consistent model. This shows that the strategy of capturing essential features through minimality extends beyond models, even though the techniques for justifying this extended strategy remain similar. As an application (...)
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  4. added 2018-08-15
    Some Disputed Aspects of Inertia, with Particular Reference to the Equivalence Principle.Ryan Samaroo - 2013 - Dissertation, The University of Western Ontario
    This thesis is a contribution to the foundations of space-time theories. It examines the proper understanding of the Newtonian and 1905 inertial frame concepts and the critical analysis of these concepts that was motivated by the equivalence principle. This is the hypothesis that it is impossible to distinguish locally between a homogeneous gravitational field and a uniformly accelerated frame. The three essays that comprise this thesis address, in one way or another, the criteria through which the inertial frame concepts are (...)
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  5. added 2018-06-25
    Quantum Theory is Not Only About Information.Laura Felline - 2018 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics.
    In his recent book Bananaworld. Quantum mechanics for primates, Jeff Bub revives and provides a mature version of his influential information-theoretic interpretation of Quantum Theory (QT). In this paper, I test Bub’s conjecture that QT should be interpreted as a theory about information, by examining whether his information-theoretic interpretation has the resources to explain (or explain away) quantum conundrums. The discussion of Bub’s theses will also serve to investigate, more in general, whether other approaches succeed in defending the claim that (...)
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  6. added 2018-06-05
    Metaphysics of the Principle of Least Action.Vladislav Terekhovich - 2018 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 62:189-201.
    Despite the importance of the variational principles of physics, there have been relatively few attempts to consider them for a realistic framework. In addition to the old teleological question, this paper continues the recent discussion regarding the modal involvement of the principle of least action and its relations with the Humean view of the laws of nature. The reality of possible paths in the principle of least action is examined from the perspectives of the contemporary metaphysics of modality and Leibniz's (...)
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  7. added 2018-05-30
    A Study of Time in Modern Physics.Peter W. Evans - 2011 - Dissertation,
    This thesis is a study of the notion of time in modern physics, consisting of two parts. Part I takes seriously the doctrine that modern physics should be treated as the primary guide to the nature of time. To this end, it offers an analysis of the various conceptions of time that emerge in the context of various physical theories and, furthermore, an analysis of the relation between these conceptions of time and the more orthodox philosophical views on the nature (...)
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  8. added 2018-05-29
    Newton's Regulae Philosophandi.Zvi Biener - 2018 - In Chris Smeenk & Eric Schliesser (eds.), Oxford Handbook of Isaac Newton. Oxford University Press.
    Newton’s Regulae philosophandi—the rules for reasoning in natural philosophy—are maxims of causal reasoning and induction. This essay reviews their significance for Newton’s method of inquiry, as well as their application to particular propositions within the Principia. Two main claims emerge. First, the rules are not only interrelated, they defend various facets of the same core idea: that nature is simple and orderly by divine decree, and that, consequently, human beings can be justified in inferring universal causes from limited phenomena, if (...)
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  9. added 2018-04-24
    The Metaphysics of Invariance.David Schroeren - manuscript
    Fundamental physics contains an important link between properties of elementary particles and continuous symmetries of particle systems. For example, properties such as mass and spin are said to be 'associated' with specific continuous symmetries. -/- These 'associations' have played a key role in the discovery of various new particle kinds, but more importantly: they are thought to provide a deep insight into the nature of physical reality. The link between properties and symmetries has been said to call for a radical (...)
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  10. added 2018-04-04
    Mechanistic Causation and Constraints: Perspectival Parts and Powers, Non-Perspectival Modal Patterns.Jason Winning - forthcoming - British Journal for the Philosophy of Science.
    Any successful account of the metaphysics of mechanistic causation must satisfy at least five key desiderata. In this paper, I lay out these five desiderata and explain why existing accounts of the metaphysics of mechanistic causation fail to satisfy them. I then present an alternative account which does satisfy the five desiderata. According to this alternative account, we must resort to a type of ontological entity that is new to metaphysics, but not to science: constraints. In this paper, I explain (...)
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  11. added 2018-03-02
    On Spacetime Functionalism.David John Baker - manuscript
    Eleanor Knox has argued that our concept of spacetime applies to whichever structure plays a certain functional role in the laws (the role of determining local inertial structure). I raise two complications for this approach. First, our spacetime concept seems to have the structure of a cluster concept, which means that Knox's inertial criteria for spacetime cannot succeed with complete generality. Second, the notion of metaphysical fundamentality may feature in the spacetime concept, in which case spacetime functionalism may be uninformative (...)
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  12. added 2018-03-01
    On Classical Motion.C. D. McCoy - 2018 - Philosophers' Imprint 18.
    The impetus theory of motion states that to be in motion is to have a non-zero velocity. The at-at theory of motion states that to be in motion is to be at different places at different times, which in classical physics is naturally understood as the reduction of velocities to position developments. I first defend the at-at theory against the criticism raised by Arntzenius that it renders determinism impossible. I then develop a novel impetus theory of motion that reduces positions (...)
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  13. added 2018-02-18
    Are Quantum Particles Objects?Simon Saunders - 2006 - Analysis 66 (1):52-63.
    Particle indistinguishability has always been considered a purely quantum mechanical concept. In parallel, indistinguishable particles have been thought to be entities that are not properly speaking objects at all. I argue, to the contrary, that the concept can equally be applied to classical particles, and that in either case particles may (with certain exceptions) be counted as objects even though they are indistinguishable. The exceptions are elementary bosons (for example photons).
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  14. added 2018-02-17
    Heidegger and Galileo’s Slippery Slope.Shannon Dea - 2009 - Dialogue 48 (1):59.
    ABSTRACT: In Die Frage nach dem Ding, Martin Heidegger characterizes Galileo as an important transitional figure in the struggle to replace the Aristotelian conception of nature with that of Newton. However, Heidegger only attends to Galileo’s modernity and not to those Aristotelian elements still discernible in Galileo’s work. This article fleshes out both aspects in Galileo in light of Heidegger’s discussion. It concludes by arguing that the lacuna in Heidegger’s account of Galileo is the consequence of Heidegger’s own self-conscious modernity (...)
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  15. added 2018-02-17
    Do Newton’s Rules of Reasoning Guarantee Truth … Must They?Quayshawn Spencer - 2004 - Studies in History and Philosophy of Science Part A 35 (4):759-782.
    Newton’s Principia introduces four rules of reasoning for natural philosophy. Although useful, there is a concern about whether Newton’s rules guarantee truth. After redirecting the discussion from truth to validity, I show that these rules are valid insofar as they fulfill Goodman’s criteria for inductive rules and Newton’s own methodological program of experimental philosophy; provided that cross-checks are used prior to applications of rule 4 and immediately after applications of rule 2 the following activities are pursued: (1) research addressing observations (...)
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  16. added 2018-02-17
    Unification, Explanation, and the Composition of Causes in Newtonian Mechanics.Malcolm Forster - 1988 - Studies in History and Philosophy of Science Part A 19 (1):55-101.
  17. added 2018-02-05
    Rethinking Causality in Biological and Neural Mechanisms: Constraints and Control.Jason Winning & William Bechtel - 2018 - Minds and Machines 28 (2).
    Existing accounts of mechanistic causation are not suited for understanding causation in biological and neural mechanisms because they do not have the resources to capture the unique causal structure of control heterarchies. In this paper, we provide a new account on which the causal powers of mechanisms are grounded by time-dependent, variable constraints. Constraints can also serve as a key bridge concept between the mechanistic approach to explanation and underappreciated work in theoretical biology that sheds light on how biological systems (...)
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  18. added 2018-02-03
    Journey of Physics between Continuity and Discontinuity مسيرة الفيزياء بين مقولتي الاتصال والانفصال.Salah Osman - 1998 - In Continuity and Infinity between Science and Philosophy. pp. 151 - 241.
    تجلت المعالجة الفيزيائية المعاصرة لموضوع الاتصال في نظريتين كبريتين تقاسمتا البحث في الظواهر الطبيعية منذ بداية القرن العشرين: إحداهما نظريــة النسبية (الخاصـة والعامـة)، والأخرى نظرية الكم. وبينما تُعيد النسبية الخاصة صياغة القوانين الأساسية للحركة على نحو أدق مما قدمه نيوتن، تتجه النسبية العامة إلى تعليل خواص المادة على النطاق الواسع، أي على مستوى الكون الأكبر، حيث النجوم والكواكب وحركاتها التجاذبية. أما نظرية الكمّ فتًعلل خواص المادة على النطاق الضيق جدًا، أي على مستوى الكون الذري. وليس هناك فيما يبدو أية رابطة (...)
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  19. added 2018-01-30
    Isaac Newton despre acțiunea la distanță în gravitație - Cu sau fără Dumnezeu?Nicolae Sfetcu - manuscript
    Interpretarea textelor lui Isaac Newton a suscitat numeroase controverse, până în zilele noastre. Una din cele mai aprinse dezbateri este legată de acțiunea între două corpuri aflate la distanță unul de celălalt (atracția gravitațională), și în ce măsură Newton a implicat pe Dumnezeu în acest caz. Practic, majoritatea lucrărilor discută patru tipuri de atracții gravitaționale în cazul corpurilor aflate la distanță: acțiunea la distanță directă ca proprietate intrinsecă a corpurilor în sens epicurian; acțiunea la distanță directă mediată divin, de Dumnezeu; (...)
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  20. added 2018-01-13
    The Telephone and Attention Waves.George L. Jackson - 1906 - Journal of Philosophy, Psychology and Scientific Methods 3 (22):602-604.
  21. added 2018-01-10
    Determinism, Predictability and Chaos.G. M. K. Hunt - 1987 - Analysis 47 (3):129 - 133.
  22. added 2018-01-10
    The Language of Modern Physics.H. Hutten Ernest - 1956 - New York: Macmillan.
  23. added 2017-12-21
    Against Comparativism About Mass in Newtonian Gravity - a Case Study in the Metaphysics of Scale.Niels C. M. Martens - 2017 - Dissertation, University of Oxford
    This thesis concerns the metaphysics of scale. It investigates the implications of a physical determinable being dimensionful. In particular, it considers the case study of mass, as it features within Newtonian Gravity. Nevertheless, most of the terminology, methodology and arguments developed should be relatively straightforwardly applicable to other determinables and theories. -/- Weak Absolutism about mass holds that mass ratios obtain in virtue of absolute masses. Weak Comparativism denies this. In the first five chapters I argue in favour of Weak (...)
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  24. added 2017-12-19
    The Inconsistent Equivalence Principle.Alfonso Leon Guillen Gomez - manuscript
    The equivalence principle between the gravitational motion and the inertial motion is false because a particle or body successively in two any contiguous points while in a gravitational frame they have different kinetic energy, instead they always have equal kinetic energy in an inertial frame.
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  25. added 2017-12-08
    Harvesting Wave Energy with Resonant Observers.Alfred Hubler & Thomas Kirsh - 2015 - Complexity 20 (4):6-7.
  26. added 2017-12-08
    Verallgemeinerte Gravitationstheorie.Ulrich Hoyer - 1989 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 20 (2):287-302.
    Proceeding from the principles of Euclidean geometry and absolute time a generalization of the classical theory of gravitation for high velocities is given. The new theory is applied to the redshift of spectral lines, the deviation of light passing the sun, and the secular motion of the perihelion of Mercury. A comparison with the results obtained from the theory of general relativity, though not beyond any doubt, seems to be favourable for the new theory, and to support the view, formerly (...)
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  27. added 2017-12-08
    Theorie der Lorentztransformationen.Ulrich Hoyer - 1988 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 19 (1):28-36.
    By way of mathematical demonstration proof is given that the Lorentz transformations can completely be based upon the theory of absolute time, i. e. upon the Galilei transformations . Thus, it becomes evident that the theory of special relativity does not imply a revolution of classical kinematics, let alone of idealistic theory of knowledge.
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  28. added 2017-11-29
    Controversa dintre Isaac Newton și Robert Hooke despre prioritatea în legea gravitației.Nicolae Sfetcu - manuscript
    Una din cele mai disputate controverse privind prioritatea unor descoperiri științifice este cea privind legea gravitației universale, între Isaac Newton și Robert Hooke. În acest eseu extind o lucrare mai veche pe aceeași temă, ”Isaac Newton vs. Robert Hooke în legea gravitației universale”. Hooke l-a acuzat pe Newton de plagiat, preluându-i ideile exprimate în lucrările anterioare. În această lucrare încerc să arăt, pe baza unor analize anterioare, că ambii oameni de știință au greșit: Robert Hooke pentru că teoria sa nu (...)
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  29. added 2017-11-25
    On the Existence of Steady Periodic Capillary-Gravity Stratified Water Waves.David Henry & Bogan-Vasile Matioc - 2013 - Annali della Scuola Normale Superiore di Pisa 12 (4):955-974.
  30. added 2017-11-25
    Classical and Modern Physics.Victor Francis Hess - 1941 - Thought: Fordham University Quarterly 16 (1):199-200.
  31. added 2017-11-24
    Dear Pat, I'm Sure Were Both Getting Pretty Anxious to Terminate This: I Had Really Heaved a Big Sigh of Relief, That I Could Get Back to Physics.Pat Hayes - unknown
    But still I think some account has to be given of the application of CM to tides and cannon balls etc. etc. It seems to me that Einstein's and Bohr's analysis was essentially correct: we make the connection, and thus apply the mathematical statements of CM to macroscopic features of the world about us, by constructing, within the mathematical framework,. macroscopic conglomerates of the elementary particles and fields that should have the general appearance of tides and billiard, looked at from (...)
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  32. added 2017-11-24
    Causality Requirements and the Theory of Relativity.Peter Havas - 1968 - Synthese 18 (1):75 - 102.
  33. added 2017-11-22
    The Law of Inertia: A Philosopher's Touchstone.Norwood Russell Hanson - 1963 - Philosophy of Science 30 (2):107-121.
    The conceptual excitement of science often seems geared only to work in contemporary physics. Thus, philosophers regularly discuss current cosmology, relativity, or the foundations of microphysics. In these areas one's philosophy is stretched and strained far beyond what our ancestors might have anticipated. Historians of science have also focused attention on past events by remarking their analogies and similarities with perplexities in physics today. But there are statements, hypotheses and theories of the past which are rewarding in themselves, without having (...)
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  34. added 2017-11-06
    Particles, Fields and a Canonical Distance Form.A. N. Grigorenko - 2016 - Foundations of Physics 46 (3):382-392.
    We examine a notion of an elementary particle in classical physics and suggest that its existence requires non-trivial homotopy of space-time. We show that non-trivial homotopy may naturally arise for space-times in which metric relations are generated by a canonical distance form factorized by a Weyl field. Some consequences of the presence of a Weyl field are discussed.
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  35. added 2017-10-28
    Can Continuous Motion Be an Illusion?Shan Gao - unknown
    It is widely accepted that continuity is the most essential characteristic of motion; the motion of macroscopic objects is apparently continuous, and classical mechanics, which describes such motion, is also based on the assumption of continuous motion. But is motion really continuous in reality? In this paper, I will try to answer this question through a new analysis of the cause of motion. It has been argued that the standard velocity in classical mechanics cannot fulfill the causal role required for (...)
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  36. added 2017-10-28
    Laws and Initial Conditions.Mathias Frisch - 2004 - Philosophy of Science 71 (5):696-706.
    I discuss two case studies from classical electrodynamics challenging the distinction between laws that delineate physically possible words and initial conditions. First, for many reasonable initial conditions there exist no global solutions to the Maxwell‐Lorentz equations for continuous charge distributions. Second, in deriving an equation of motion for a charged point particle one needs to invoke an asymptotic condition that seems to express a physically contingent fact even though it is mathematically necessary for the derivation.
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  37. added 2017-10-26
    The Theoretical Practices of Physics: Philosophical Essays * By R.I.G. HUGHES.S. French - 2010 - Analysis 70 (3):601-603.
  38. added 2017-10-26
    Using Excel to Simulate Pendulum Motion and Maybe Understand Calculus a Little Better.Michael Fowler - 2004 - Science & Education 13 (7-8):791-796.
  39. added 2017-10-23
    Einstein's Theory of Theories and Types of Theoretical Explanation.Francisco Flores - 1999 - International Studies in the Philosophy of Science 13 (2):123 – 134.
    In this paper I draw on Einstein's distinction between “principle” and “constructive” theories to isolate two levels of physical theory that can be found in both classical and (special) relativistic physics. I then argue that when we focus on theoretical explanations in physics, i.e. explanations of physical laws, the two leading views on explanation, Salmon's “bottom-up” view and Kitcher's “top-down” view, accurately describe theoretical explanations for a given level of theory. I arrive at this conclusion through an analysis of explanations (...)
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  40. added 2017-10-22
    How the Weak Variance of Momentum Can Turn Out to Be Negative.M. R. Feyereisen - 2015 - Foundations of Physics 45 (5):535-556.
    Weak values are average quantities, therefore investigating their associated variance is crucial in understanding their place in quantum mechanics. We develop the concept of a position-postselected weak variance of momentum as cohesively as possible, building primarily on material from Moyal and Sonego :1135, 1991) . The weak variance is defined in terms of the Wigner function, using a standard construction from probability theory. We show this corresponds to a measurable quantity, which is not itself a weak value. It also leads (...)
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  41. added 2017-10-22
    Leibniz and the Vis Viva Controversy.Idan Shimony - 2010 - In Marcelo Dascal (ed.), The Practice of Reason: Leibniz and His Controversies. Philadelphia / Amsterdam: John Benjamins. pp. 51-73.
  42. added 2017-10-13
    The Frame of Fixed Stars in Relational Mechanics.Rafael Ferraro - 2017 - Foundations of Physics 47 (1):71-88.
    Relational mechanics is a gauge theory of classical mechanics whose laws do not govern the motion of individual particles but the evolution of the distances between particles. Its formulation gives a satisfactory answer to Leibniz’s and Mach’s criticisms of Newton’s mechanics: relational mechanics does not rely on the idea of an absolute space. When describing the behavior of small subsystems with respect to the so called “fixed stars”, relational mechanics basically agrees with Newtonian mechanics. However, those subsystems having huge angular (...)
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  43. added 2017-10-07
    The Meaning and Status of Newton's Law of Inertia and the Nature of Gravitational Forces.J. Earman & M. Friedman - 1973 - Philosophy of Science 40 (3):329-359.
    A four dimensional approach to Newtonian physics is used to distinguish between a number of different structures for Newtonian space-time and a number of different formulations of Newtonian gravitational theory. This in turn makes possible an in-depth study of the meaning and status of Newton's Law of Inertia and a detailed comparison of the Newtonian and Einsteinian versions of the Law of Inertia and the Newtonian and Einsteinian treatments of gravitational forces. Various claims about the status of Newton's Law of (...)
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  44. added 2017-10-06
    Newton on Action at a Distance and the Cause of Gravity.Steffen Ducheyne - 2011 - Studies in History and Philosophy of Science Part A 42 (1):154-159.
    In this discussion paper, I seek to challenge Hylarie Kochiras’ recent claims on Newton’s attitude towards action at a distance, which will be presented in Section 1. In doing so, I shall include the positions of Andrew Janiak and John Henry in my discussion and present my own tackle on the matter . Additionally, I seek to strengthen Kochiras’ argument that Newton sought to explain the cause of gravity in terms of secondary causation . I also provide some specification on (...)
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  45. added 2017-10-06
    Inertia, the Communication of Motion, and Kant's Third Law of Mechanics.Howard Duncan - 1984 - Philosophy of Science 51 (1):93-119.
    In Kant's Metaphysical Foundations of Natural Science are found a dynamist reduction of matter and an account of the communication of motion by impact. One would expect to find an analysis of the causal mechanism involved in the communication of motion between bodies given in terms of the fundamental dynamical nature of bodies. However, Kant's analysis, as given in the discussion of his third law of mechanics (an action-reaction law) is purely kinematical, invoking no causal mechanisms at all, let alone (...)
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  46. added 2017-10-05
    The Self as a Center of Narrative Gravity.Daniel C. Dennett - 1992 - In Frank S. Kessel, P. M. Cole & D. L. Johnson (eds.), [Book Chapter]. Lawrence Erlbaum. pp. 4--237.
    What is a self? I will try to answer this question by developing an analogy with something much simpler, something which is nowhere near as puzzling as a self, but has some properties in common with selves. What I have in mind is the center of gravity of an object. This is a well-behaved concept in Newtonian physics. But a center of gravity is not an atom or a subatomic particle or any other physical item in the world. It has (...)
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  47. added 2017-10-04
    Gleason-Type Theorem for Projective Measurements, Including Qubits: The Born Rule Beyond Quantum Physics.F. De Zela - 2016 - Foundations of Physics 46 (10):1293-1306.
    Born’s quantum probability rule is traditionally included among the quantum postulates as being given by the squared amplitude projection of a measured state over a prepared state, or else as a trace formula for density operators. Both Gleason’s theorem and Busch’s theorem derive the quantum probability rule starting from very general assumptions about probability measures. Remarkably, Gleason’s theorem holds only under the physically unsound restriction that the dimension of the underlying Hilbert space \ must be larger than two. Busch’s theorem (...)
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  48. added 2017-10-04
    Determinism in Classical Physics.G. F. Dear - 1960 - British Journal for the Philosophy of Science 11 (44):289-304.
  49. added 2017-10-01
    Suppes Predicates for Classical Physics.N. C. A. Da Costa & F. A. Doria - 1992 - In Javier Echeverria, Andoni Ibarra & Thomas Mormann (eds.), The Space of Mathematics: Philosophical, Epistemological, and Historical Explorations. De Gruyter.
  50. added 2017-09-28
    The Self as a Center of Narrative Gravity.P. Cole & D. Johnson - unknown
    This is a well-behaved concept in Newtonian physics. But a center of gravity is not an atom or a subatomic particle or any other physical item in the world. It has no mass; it has no color; it has no physical properties at all, except for spatio-temporal location. It is a fine example of what Hans Reichenbach would call an abstractum. It is a purely abstract object. It is, if you like , a theorist's fiction. It is not one of (...)
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1 — 50 / 547