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  1. added 2019-01-17
    Consequências para o empirismo construtivo da adoção de um padrão internalista na caracterização do processo de observação.Alessio Gava - 2015 - In Fátima R. Évora Marcelo Carvalho Jr (ed.), Filosofia da Ciência e da Natureza. Coleção XVI Encontro ANPOF. São Paulo, Brazil: ANPOF. pp. 239-250.
    Discutindo acerca das centenas de detecções de planetas extrassolares, que supostamente aconteceram desde 1989 e que ele considera (incorretamente) como instâncias de observações, Peter Kosso disse, justamente, que segundo os parâmetros de Bas van Fraassen esses objetos celestes seriam observáveis. Ora, tais astros poderiam sem dúvida ser observados diretamente (sem a necessidade de instrumentos), nas condições apropriadas. Mas, acrescenta Kosso, “esse tipo de epistemologia externalista, que permite que a justificação se baseie em informação que não temos a disposição (nós não (...)
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  2. added 2018-03-15
    Everyday Practice of Science: Where Intuition and Passion Meeting Objectivity and Logic.Fred Grinnell - 2009 - New York, USA: Oxford University Press.
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  3. added 2017-12-29
    Por uma reformulação do empirismo construtivo a partir de uma reavaliação do conceito de observabilidade.Alessio Gava - 2015 - Dissertation, Universidade Federal de Minas Gerais
    The concept of observability is of key importance for a consistent defense of Constructive Empiricism. This anti-realist position, originally presented in 1980 by Bas van Fraassen in his book The Scientific Image, crucially depends on the observable/unobservable dichotomy. Nevertheless, the question of what it means to observe has been faced in an unsatisfactory and inadequate manner by van Fraassen and this represents an important lacuna in his philosophical position. The aim of this work is to propose a characterization of the (...)
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  4. added 2016-08-19
    Photographic Evidence and the Problem of Theory-Ladenness.Nicola Mößner - 2013 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 44 (1):111–125.
    Scientists use visualisations of different kinds in a variety of ways in their scientific work. In the following article, we will take a closer look at the use of photographic pictures as scientific evidence. In accordance with Patrick Maynard’s thesis, photography will be regarded as a family of technologies serving different purposes in divergent contexts. One of these is its ability to detect certain phenomena. Nonetheless, with regard to the philosophical thesis of theory-ladenness of observation, we encounter certain reservations concerning (...)
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  5. added 2016-02-10
    Unobservability of Short-Lived Particles: Ground for Skepticism About Observational Claims in Elementary Particle Physics.Marcoen J. T. F. Cabbolet - manuscript
    The physics literature contains many claims that elementary particles have been observed: such observational claims are, of course, important for the development of existential knowledge. Regarding claimed observations of short-lived unstable particles in particular, the use of the word 'observation' is based on the convention in physics that the observation of a short-lived unstable particle can be claimed when its predicted decay products have been observed with a significance of 5 sigma. This paper, however, shows that this 5 sigma convention (...)
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  6. added 2014-03-07
    Constructive Empiricism: Normative or Descriptive?Moti Mizrahi - 2014 - International Journal of Philosophical Studies 22 (4):604-616.
    In this paper, I argue that Constructive Empiricism (CE) is ambiguous between two interpretations: CE as a normative epistemology of science and CE as a descriptive philosophy of science. When they present CE, constructive empiricists write as if CE is supposed to be more than a normative epistemology of science and that it is meant to be responsible to actual scientific practices. However, when they respond to objections, constructive empiricists fall back on a strictly normative interpretation of CE. This ambiguity (...)
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  7. added 2014-03-04
    The Chemical Characterization of the Gene: Vicissitudes of Evidential Assessment.Jacob Stegenga - 2011 - History and Philosophy of the Life Sciences 33 (1):105-127.
    The chemical characterization of the substance responsible for the phenomenon of “transformation” of pneumococci was presented in the now famous 1944 paper by Avery, MacLeod, and McCarty. Reception of this work was mixed. Although interpreting their results as evidence that deoxyribonucleic acid (DNA) is the molecule responsible for genetic changes was, at the time, controversial, this paper has been retrospectively celebrated as providing such evidence. The mixed and changing assessment of the evidence presented in the paper was due to the (...)
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  8. added 2013-05-07
    On Two Mathematical Definitions of Observational Equivalence: Manifest Isomorphism and Epsilon-Congruence Reconsidered.Christopher Belanger - 2013 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 44 (2):69-76.
    In this article I examine two mathematical definitions of observational equivalence, one proposed by Charlotte Werndl and based on manifest isomorphism, and the other based on Ornstein and Weiss’s ε-congruence. I argue, for two related reasons, that neither can function as a purely mathematical definition of observational equivalence. First, each definition permits of counterexamples; second, overcoming these counterexamples will introduce non-mathematical premises about the systems in question. Accordingly, the prospects for a broadly applicable and purely mathematical definition of observational equivalence (...)
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