9 found
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  1.  60
    Why Non-Individuality? A Discussion on Individuality, Identity, and Cardinality in the Quantum Context.Jonas Rafael Becker Arenhart & Décio Krause - 2012 - Erkenntnis (1):1-18.
    Recently, in the debate about the ontology of quantum mechanics some authors have defended the view that quantum particles are individuals in a primitive sense, so that individuality should be preferred over non-individuality (the alternative option). Primitive individuality involves two main claims: (1) every item is identical with itself and (2) it is distinct from every other item. Non-relativistic quantum mechanics is said to provide positive evidence for that position, since in every situation comprising multiple particles there is a well-defined (...)
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  2.  56
    Wither Away Individuals.Jonas Rafael Becker Arenhart - 2013 - Synthese 190 (16):3475-3494.
    In this paper we deal with the problem of identity and individuality in quantum mechanics. We analyze three definitions of the concept of an individual and propose to check their merits in relation to the theory. In order to achieve our goals our approach also ties those definitions of individuality to two distinct kinds of naturalism in ontology: a strong version, according to which quantum mechanics must somehow authorize in a positive fashion the ontological concepts being dealt with, and a (...)
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  3. Weak Discernibility in Quantum Mechanics: Does It Save PII?Jonas Rafael Becker Arenhart - 2013 - Axiomathes 23 (3):461-484.
    The Weak Principle of the Identity of Indiscernibles (weak PII), states that numerically distinct items must be discernible by a symmetrical and irreflexive relation. Recently, some authors have proposed that weak PII holds in non relativistic quantum mechanics, contradicting a long tradition claiming PII to be simply false in that theory. The question that arises then is: are relations allowed in the scope of PII? In this paper, we propose that quantum mechanics does not help us in deciding matters concerning (...)
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  4.  56
    A Discussion on Finite Quasi-Cardinals in Quasi-Set Theory.Jonas Rafael Becker Arenhart - 2011 - Foundations of Physics 41 (8):1338-1354.
    Quasi-set theory Q is an alternative set-theory designed to deal mathematically with collections of indistinguishable objects. The intended interpretation for those objects is the indistinguishable particles of non-relativistic quantum mechanics, under one specific interpretation of that theory. The notion of cardinal of a collection in Q is treated by the concept of quasi-cardinal, which in the usual formulations of the theory is introduced as a primitive symbol, since the usual means of cardinal definition fail for collections of indistinguishable objects. In (...)
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  5.  7
    On Material Exclusion and Absolute Contradiction.Jonas Rafael Becker Arenhart - forthcoming - Axiomathes:1-13.
    Francesco Berto has argued that a primitive concept of material exclusion could be employed to formulate a notion of absolute contradiction that not even dialetheists could accept. The machinery of material exclusion and absolute contradiction could then be employed as a common ground by both dialetheists as well as their opponents in debates about negation and truth. In this paper, we first put the idea on a clear basis, and then present some criticism to it. We shall argue that the (...)
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  6.  13
    Indistinguibilidade, não reflexividade, ontologia e física quântica.Jonas Rafael Becker Arenhart & Décio Krause - 2012 - Scientiae Studia 10 (1):41-69.
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  7.  10
    Sobre uma fundamentação não reflexiva da mecânica quântica.Newton Carneiro Affonso da Costa, Décio Krause, Jonas Rafael Becker Arenhart & Jaison Schinaider - 2012 - Scientiae Studia 10 (1):71-104.
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  8.  32
    Perspectivismo na filosofia da ciência: um estudo de caso na física quântica / Perspectivism in philosophy of science: a case-study in quantum physics.Décio Krause & Jonas Rafael Becker Arenhart - 2013 - Scientiae Studia 11 (1):159-183.
    PORTUGUESE: Neste artigo, apresentaremos uma visão particular do desenvolvimento de teorias científicas que denominamos (inspirados em Ortega y Gasset) "perspectivismo". Discutiremos como, através desse enfoque, é possível compatibilizar diversas descrições aparentemente distintas e incompatíveis de uma suposta realidade que se investiga. Fazemos isso distinguindo entre a "realidade" (R) e a "descrição empírica da realidade" (Re). Aceitando que podemos ter diversas descrições empíricas de uma mesma realidade, discutimos o caso particular em que esse esquema é utilizado nos debates atuais acerca da (...)
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  9.  9
    Does Weak Discernibility Determine Metaphysics?Jonas Rafael Becker Arenhart - 2017 - Theoria: Revista de Teoría, Historia y Fundamentos de la Ciencia 32 (1):109-125.
    Two entities are weakly discernible when an irreflexive and symmetric relation holds between them. That weak discernibility holds in quantum mechanics is fairly uncontroversial nowadays. The ontological consequences of weak discernibility, however, are far from clear. Part of the literature seems to imply that weak discernibility points to a definite metaphysics to quantum mechanics. In this paper we shall discuss the metaphysical contribution of weak discernibility to quantum mechanics and argue that, contrary to part of current literature, it does not (...)
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