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NAMES, POSSIBLE WORLDS AND PARTICLE STATISTICS


NAMES, POSSIBLE WORLDS AND PARTICLE STATISTICS As we have indicated, by initially introducing sub/super-scripts in our description of an assembly of quantum particles, it may appear that we are labelling and hence naming them. The probl
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CLASSICAL STATISTICAL MECHANICS AND INDIVIDUALITY REVISITED


CLASSICAL STATISTICAL MECHANICS AND INDIVIDUALITY REVISITED We recall our fundamental question: how should we understand the individuality of the particles? The metaphysically economical option is to focus on their properties and adopt
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DISTINGUISHABILITY


DISTINGUISHABILITY At last we come to the issue of distinguishability. As it is not susceptible to the problem of describability noted above, distinguishability is obviously easier end p.15   to characterize. We recall questi
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CONCLUSION: THE METAPHYSICS OF CLASSICAL PHYSICS


CONCLUSION: THE METAPHYSICS OF CLASSICAL PHYSICS Let us briefly return to the argument with which we began this chapter: classical particles should be regarded as individuals because of the way permutations are counted in classical stat
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Individuality in Classical Physics


Individuality in Classical Physics I see no reason why energy shouldn t also be regarded as divided atomically. Boltzmann, Halle Conference 1891 Let us begin by recalling the distinction between distinguishability, understood as
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BORN AND STRUCTURAL INVARIANTS


BORN AND STRUCTURAL INVARIANTS Nevertheless, by the early 1930s the ‘Received View’ of quantum particles as non-individuals had propagated from specialist to more popular texts: Darwin, in his ‘semi-popular’ presentation of the new mec
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HAECCEITISM


HAECCEITISM As originally introduced, this is the doctrine that holds “ . that it does make sense to ask—without reference to common attributes and behavior—whether this is the same individual in another possible world, that individuals
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SELF-IDENTITY


SELF-IDENTITY Let us briefly consider this notion in a little more detail. If self-identity is understood as a property or, more specifically, a relation, like any other then it would seem that we have returned to a form of answer (a) a
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INDIVIDUALITY AND SPACE-TIME


INDIVIDUALITY AND SPACE-TIME There is, of course, an immense literature on the nature of space-time and we have no intention of trying to do justice to it here. We shall simply take what we need from this body of work in order to illust
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NAMES AND THE PRACTICE OF PHYSICS


NAMES AND THE PRACTICE OF PHYSICS Given that scientific practice is primarily concerned with distinguishability and re-identification, it should come as no surprise that physicists appear to name and refer to objects in terms of a clust
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NAMES AND NOMOLOGICAL OBJECTS


NAMES AND NOMOLOGICAL OBJECTS As we noted above, Dalla Chiara and Toraldo di Francia suggest that the practice of physics supports a Descriptivist view of names in general. When it comes to QM they insist there are no proper names to b
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WEYL AND THE ANALYSIS OF AGGREGATES


WEYL AND THE ANALYSIS OF AGGREGATES The far-reaching nature of these issues was clearly perceived by Cassirer, and, even more acutely and perceptively perhaps, by Weyl. In remarking on the radical epistemological transformation effected
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THE UNDERDETERMINATION OF METAPHYSICS BY PHYSICS


THE UNDERDETERMINATION OF METAPHYSICS BY PHYSICS We have now reviewed a number of different ways in which one might ‘flesh out’ the metaphysical package of particles-as-individuals, together with some of the more obvious problems that t
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Non-Reflexive Quantum Logics


Non-Reflexive Quantum Logics  show chapter abstract and keywords  hide chapter abstract and keywords Steven French Décio Krause Si nous envisageons des domaines qui diffèrent du monde familier à notre échelle,
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THE POSTULATES OF SPECIAL RELATIVITY


(18) THE POSTULATES OF SPECIAL RELATIVITY. In 1905 A.Einstein gave 2 postulates that form the basis of his spec.th.of rel.: 1. The principle of relativity: The laws of physics are the same in all inertial reference frames. 2. The principle of
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RELATIVITY: THE SPECIAL AND GENERAL THEORY BY ALBERT EINSTEIN


RELATIVITY: THE SPECIAL AND GENERAL THEORY BY ALBERT EINSTEIN CONTENTS Preface Part I: The Special Theory of Relativity 01. Physical Meaning of Geometrical Propositions 02. The System of Co-ordinates 03. Space
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Albert Einstein s Words on Spirituality and Religion. . .


Albert Einstein s Words on Spirituality and Religion. . .-------- ----- ------ -------- ----- ------ ----- ----- ----(The following quotes are taken from The Quotable Einstein, Princeton University Press unless otherwise noted) &q
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MAGNETIC FLOWMETERS


MAGNETIC FLOWMETERS Flow Reference Section INTRODUCTION Magnetic flowmeters are low pressure drop, volumetric, liquid flow measuring devices. The low maintenance design–with no moving parts, high accuracy, linear analog outputs, insensi
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Albert Einstein s Words on Spirituality and Religion. . .


Albert Einstein s Words on Spirituality and Religion. . .-------- ----- ------ -------- ----- ------ ----- ----- ----(The following quotes are taken from The Quotable Einstein, Princeton University Press unless otherwise noted) &q
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Energy


Energy Un joc foarte dinamic, in care pot fi prinsi toti tinerii din grup. Vei avea nevoie de un teren de joc destul de mare, astfel incat tinerii sa poata sa fuga in voie in el. De asemenea, vei avea n
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