Results for 'Skolem's Paradox'

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  1.  70
    Skolem's Paradox.Timothy Bays - 2012 - In Peter Adamson (ed.), Stanford Encyclopedia of Philosophy. Stanford Encyclopedia of Philosophy.
    Skolem's Paradox involves a seeming conflict between two theorems from classical logic. The Löwenheim Skolem theorem says that if a first order theory has infinite models, then it has models whose domains are only countable. Cantor's theorem says that some sets are uncountable. Skolem's Paradox arises when we notice that the basic principles of Cantorian set theory—i.e., the very principles used to prove Cantor's theorem on the existence of uncountable sets—can themselves be formulated as a collection (...)
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  2. Skolem’s “paradox” as logic of ground: The mutual foundation of both proper and improper interpretations.Vasil Penchev - 2020 - Epistemology eJournal (Elsevier: SSRN) 13 (19):1-16.
    A principle, according to which any scientific theory can be mathematized, is investigated. That theory is presupposed to be a consistent text, which can be exhaustedly represented by a certain mathematical structure constructively. In thus used, the term “theory” includes all hypotheses as yet unconfirmed as already rejected. The investigation of the sketch of a possible proof of the principle demonstrates that it should be accepted rather a metamathematical axiom about the relation of mathematics and reality. Its investigation needs philosophical (...)
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  3. The Mathematics of Skolem's Paradox.Timothy Bays - 2006 - In Dale Jacquette (ed.), Philosophy of Logic. North Holland. pp. 615--648.
    Over the years, Skolem’s Paradox has generated a fairly steady stream of philosophical discussion; nonetheless, the overwhelming consensus among philosophers and logicians is that the paradox doesn’t constitute a mathematical problem (i.e., it doesn’t constitute a real contradiction). Further, there’s general agreement as to why the paradox doesn’t constitute a mathematical problem. By looking at the way firstorder structures interpret quantifiers—and, in particular, by looking at how this interpretation changes as we move from structure to structure—we can (...)
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  4.  80
    On Skolem's paradox.Michael David Resnik - 1966 - Journal of Philosophy 63 (15):425-438.
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  5.  39
    Skolem's Paradox and Platonism.Carlo Cellucci - 1970 - Critica 4 (11/12):43-54.
  6.  31
    Skolem's paradox and constructivism.Charles McCarty & Neil Tennant - 1987 - Journal of Philosophical Logic 16 (2):165 - 202.
  7.  94
    Reflections on Skolem's Paradox.Timothy Bays - 2000 - Dissertation, University of California, Los Angeles
    The Lowenheim-Skolem theorems say that if a first-order theory has infinite models, then it has models which are only countably infinite. Cantor's theorem says that some sets are uncountable. Together, these theorems induce a puzzle known as Skolem's Paradox: the very axioms of set theory which prove the existence of uncountable sets can be satisfied by a merely countable model. ;This dissertation examines Skolem's Paradox from three perspectives. After a brief introduction, chapters two and three examine (...)
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  8.  42
    More on Skolem's paradox.Michael David Resnik - 1969 - Noûs 3 (2):185-196.
  9. Higher-Order Skolem’s Paradoxes.Davood Hosseini & Mansooreh Kimiagari - manuscript
    Some analogous higher-order versions of Skolem’s paradox will be introduced. The generalizability of two solutions for Skolem’s paradox will be assessed: the course-book approach and Bays’ one. Bays’ solution to Skolem’s paradox, unlike the course-book solution, can be generalized to solve the higher-order paradoxes without any implication about the possibility or order of a language in which mathematical practice is to be formalized.
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  10.  24
    Higher-Order Skolem’s Paradoxes and the Practice of Mathematics: a Note.Mansooreh Kimiagari & Davood Hosseini - 2022 - Disputatio 14 (64):41-49.
    We will formulate some analogous higher-order versions of Skolem’s paradox and assess the generalizability of two solutions for Skolem’s paradox to these paradoxes: the textbook approach and that of Bays (2000). We argue that the textbook approach to handle Skolem’s paradox cannot be generalized to solve the parallel higher-order paradoxes, unless it is augmented by the claim that there is no unique language within which the practice of mathematics can be formalized. Then, we argue that Bays’ solution (...)
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  11. Set Theory, Skolem's paradox and the Tractatatus.A. W. Moore - 1985 - Analysis 45 (1):13--20.
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  12.  52
    Skolem's promises and paradoxes.W. D. Hart - 1970 - Journal of Philosophy 67 (4):98-109.
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  13.  36
    Another Proof of Takeuti's Theorems on Skolem's Paradox.Erwin Engeler & Shoji Maehara - 1966 - Journal of Symbolic Logic 31 (4):659.
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  14.  35
    Shôji Maehara. Another proof of Takeuti's theorems on Skolem's paradox. Journal of the Faculty of Science, University of Tokyo, section I, vol. 7 part 5 , pp. 541–556. [REVIEW]Erwin Engeler - 1966 - Journal of Symbolic Logic 31 (4):659-659.
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  15. Skolem, the Skolem 'Paradox' and Informal Mathematics.Luca Bellotti - 2006 - Theoria 72 (3):177-212.
    I discuss Skolem's own ideas on his ‘paradox’, some classical disputes between Skolemites and Antiskolemites, and the underlying notion of ‘informal mathematics’, from a point of view which I hope to be rather unusual. I argue that the Skolemite cannot maintain that from an absolute point of view everything is in fact denumerable; on the other hand, the Antiskolemite is left with the onus of explaining the notion of informal mathematical knowledge of the intended model of set theory. (...)
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  16.  12
    Gödel's Proof.Th Skolem - 1958 - Journal of Symbolic Logic 24 (3):222-222.
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  17. Zermelo and the Skolem paradox.Dirk Van Dalen & Heinz-Dieter Ebbinghaus - 2000 - Bulletin of Symbolic Logic 6 (2):145-161.
    On October 4, 1937, Zermelo composed a small note entitled “Der Relativismus in der Mengenlehre und der sogenannte Skolemsche Satz” in which he gives a refutation of “Skolem's paradox”, i.e., the fact that Zermelo-Fraenkel set theory—guaranteeing the existence of uncountably many sets—has a countable model. Compared with what he wished to disprove, the argument fails. However, at a second glance, it strongly documents his view of mathematics as based on a world of objects that could only be grasped (...)
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  18. 1. Zeno's Metrical Paradox. The version of Zeno's argument that points to possible trouble in measure theory may be stated as follows: 1. Composition. A line segment is an aggregate of points. 2. Point-length. Each point has length 0. 3. Summation. The sum of a (possibly infinite) collection of 0's is. [REVIEW]Zeno'S. Metrical Paradox Revisited - 1988 - Philosophy of Science 55:58-73.
     
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  19.  9
    " To be an object" means" to have properties." Thus, any object has at least one property. A good formalization of this simple conclusion is a thesis of second-order logic:(1) Vx3P (Px) This formalization is based on two assumptions:(a) object variables. [REVIEW]Russell'S. Paradox - 2006 - In J. Jadacki & J. Pasniczek (eds.), The Lvov-Warsaw School: The New Generation. Reidel. pp. 6--129.
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  20.  79
    Zermelo and the Skolem Paradox.Dirk Van Dalen & Heinz-Dieter Ebbinghaus - 2000 - Bulletin of Symbolic Logic 6 (2):145-161.
    On October 4, 1937, Zermelo composed a small note entitled “Der Relativismus in der Mengenlehre und der sogenannte Skolemsche Satz”(“Relativism in Set Theory and the So-Called Theorem of Skolem”) in which he gives a refutation of “Skolem's paradox”, i.e., the fact that Zermelo-Fraenkel set theory—guaranteeing the existence of uncountably many sets—has a countable model. Compared with what he wished to disprove, the argument fails. However, at a second glance, it strongly documents his view of mathematics as based on (...)
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  21.  7
    The outer limits of reason: what science, mathematics, and logic cannot tell us.Noson S. Yanofsky - 2013 - Cambridge, Massachusetts: The MIT Press.
    Many books explain what is known about the universe. This book investigates what cannot be known. Rather than exploring the amazing facts that science, mathematics, and reason have revealed to us, this work studies what science, mathematics, and reason tell us cannot be revealed. In The Outer Limits of Reason, Noson Yanofsky considers what cannot be predicted, described, or known, and what will never be understood. He discusses the limitations of computers, physics, logic, and our own thought processes. Yanofsky describes (...)
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  22. Fechner's paradox predicts visual adaptation to induced interocular brightness differences.E. S. MacMillan, L. S. Gray & G. Heron - 1996 - In Enrique Villanueva (ed.), Perception. Ridgeview. pp. 118-118.
     
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  23. Simpson's Paradox and Causality.Prasanta S. Bandyopadhyay, Mark Greenwood, Don Dcruz & Venkata Raghavan - 2015 - American Philosophical Quarterly 52 (1):13-25.
    There are three questions associated with Simpson’s Paradox (SP): (i) Why is SP paradoxical? (ii) What conditions generate SP?, and (iii) What should be done about SP? By developing a logic-based account of SP, it is argued that (i) and (ii) must be divorced from (iii). This account shows that (i) and (ii) have nothing to do with causality, which plays a role only in addressing (iii). A counterexample is also presented against the causal account. Finally, the causal and (...)
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  24.  11
    Nagel Ernest and Newman James R.. Gödei's proof. New York University Press, New York 1958, ix + 118 pp. [REVIEW]Th Skolem - 1959 - Journal of Symbolic Logic 24 (3):222-222.
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  25.  18
    Review: Ernest Nagel, James R. Newman, Godel's Proof. [REVIEW]Th Skolem - 1959 - Journal of Symbolic Logic 24 (3):222-222.
  26. Moore’s Paradox: New Essays on Belief, Rationality, and the First Person.Mitchell S. Green & John N. Williams (eds.) - 2007 - Oxford, England: Oxford University Press.
    G. E. Moore observed that to assert, 'I went to the pictures last Tuesday but I don't believe that I did' would be 'absurd'. Over half a century later, such sayings continue to perplex philosophers. In the definitive treatment of the famous paradox, Green and Williams explain its history and relevance and present new essays by leading thinkers in the area.
  27.  45
    Skolem Redux.W. D. Hart - 2000 - Notre Dame Journal of Formal Logic 41 (4):399--414.
    Hume's Principle requires the existence of the finite cardinals and their cardinal, but these are the only cardinals the Principle requires. Were the Principle an analysis of the concept of cardinal number, it would already be peculiar that it requires the existence of any cardinals; an analysis of bachelor is not expected to yield unmarried men. But that it requires the existence of some cardinals, the countable ones, but not others, the uncountable, makes it seem invidious; it is as if (...)
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  28.  84
    The logic of Simpson’s paradox.Prasanta S. Bandyoapdhyay, Davin Nelson, Mark Greenwood, Gordon Brittan & Jesse Berwald - 2011 - Synthese 181 (2):185 - 208.
    There are three distinct questions associated with Simpson's paradox, (i) Why or in what sense is Simpson's paradox a paradox? (ii) What is the proper analysis of the paradox? (iii) How one should proceed when confronted with a typical case of the paradox? We propose a "formar" answer to the first two questions which, among other things, includes deductive proofs for important theorems regarding Simpson's paradox. Our account contrasts sharply with Pearl's causal (and questionable) (...)
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  29.  30
    The logic of Simpson’s paradox.Prasanta S. Bandyoapdhyay, Davin Nelson, Mark Greenwood, Gordon Brittan & Jesse Berwald - 2011 - Synthese 181 (2):185-208.
    There are three distinct questions associated with Simpson’s paradox. Why or in what sense is Simpson’s paradox a paradox? What is the proper analysis of the paradox? How one should proceed when confronted with a typical case of the paradox? We propose a “formal” answer to the first two questions which, among other things, includes deductive proofs for important theorems regarding Simpson’s paradox. Our account contrasts sharply with Pearl’s causal account of the first two (...)
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  30. Mathematics, Models and Zeno's Paradoxes.Joseph S. Alper & Mark Bridger - 1997 - Synthese 110 (1):143-166.
    A version of nonstandard analysis, Internal Set Theory, has been used to provide a resolution of Zeno's paradoxes of motion. This resolution is inadequate because the application of Internal Set Theory to the paradoxes requires a model of the world that is not in accordance with either experience or intuition. A model of standard mathematics in which the ordinary real numbers are defined in terms of rational intervals does provide a formalism for understanding the paradoxes. This model suggests that in (...)
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  31. Truths about Simpson's Paradox - Saving the Paradox from Falsity.Don Dcruz, Prasanta S. Bandyopadhyay, Venkata Raghavan & Gordon Brittain Jr - 2015 - In M. Banerjee & S. N. Krishna (eds.), LNCS 8923. pp. 58-75.
    There are three questions associated with Simpson’s paradox (SP): (i) Why is SP paradoxical? (ii) What conditions generate SP? and (iii) How to proceed when confronted with SP? An adequate analysis of the paradox starts by distinguishing these three questions. Then, by developing a formal account of SP, and substantiating it with a counterexample to causal accounts, we argue that there are no causal factors at play in answering questions (i) and (ii). Causality enters only in connection with (...)
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  32.  86
    Paradoxes of multi-location.S. Barker & P. Dowe - 2003 - Analysis 63 (2):106-114.
  33. Hempel's paradox and Wason's selection task: Logical and psychological puzzles of confirmation.Raymond S. Nickerson - 1996 - Thinking and Reasoning 2 (1):1 – 31.
    Hempel's paradox of the ravens has to do with the question of what constitutes confirmation from a logical point of view; Wason 's selection task has been used extensively to investigate how people go about attempting to confirm or disconfirm conditional claims. This paper presents an argument that the paradox is resolved, and that people's typical performance in the selection task can be explained, by consideration of what constitutes an effective strategy for seeking evidence of the tenability of (...)
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  34.  35
    Skolem Functions in Non-Classical Logics.Tore Fjetland Øgaard - 2017 - Australasian Journal of Logic 14 (1):181-225.
    This paper shows how to conservatively extend theories formulated in non-classical logics such as the Logic of Paradox, the Strong Kleene Logic and relevant logics with Skolem functions. Translations to and from the language extended by Skolem functions into the original one are presented and shown to preserve derivability. It is also shown that one may not always substitute s=f(t) and A(t, s) even though A determines the extension of a function and f is a Skolem function for A.
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  35.  26
    The 'mental eye' defence of an infinitized version of Yablo's paradox.S. Bringsjord & B. V. Heuveln - 2003 - Analysis 63 (1):61-70.
  36.  3
    Bertrand’s Paradox Revisited: More Lessons about that Ambiguous Word, Random.Samuel S. Chiu & Richard C. Larson - 2009 - Journal of Industrial and Systems Engineering 3 (1):1-26.
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  37. Are Scientific Models of life Testable? A lesson from Simpson's Paradox.Prasanta S. Bandyopadhyay, Don Dcruz, Nolan Grunska & Mark Greenwood - 2020 - Sci 1 (3).
    We address the need for a model by considering two competing theories regarding the origin of life: (i) the Metabolism First theory, and (ii) the RNA World theory. We discuss two interrelated points, namely: (i) Models are valuable tools for understanding both the processes and intricacies of origin-of-life issues, and (ii) Insights from models also help us to evaluate the core objection to origin-of-life theories, called “the inefficiency objection”, which is commonly raised by proponents of both the Metabolism First theory (...)
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  38. Humphrey's paradox and the interpretation of inverse conditional propensities.Christopher S. I. Mccurdy - 1996 - Synthese 108 (1):105 - 125.
    The aim of this paper is to distinguish between, and examine, three issues surrounding Humphreys's paradox and interpretation of conditional propensities. The first issue involves the controversy over the interpretation of inverse conditional propensities — conditional propensities in which the conditioned event occurs before the conditioning event. The second issue is the consistency of the dispositional nature of the propensity interpretation and the inversion theorems of the probability calculus, where an inversion theorem is any theorem of probability that makes (...)
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  39.  11
    Probability and Lycan’s Paradox.R. D. Boyd & S. K. Wertz - 1988 - Southwest Philosophy Review 4 (2):85-85.
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  40.  29
    Probability and Lycan’s Paradox.S. K. Wertz - 1988 - Southwest Philosophy Review 4 (2):85-85.
  41. A new solution to Moore's paradox.Anthony S. Gillies - 2001 - Philosophical Studies 105 (3):237-250.
    Moore's paradox pits our intuitions about semantic oddnessagainst the concept of truth-functional consistency. Most solutions tothe problem proceed by explaining away our intuitions. But``consistency'' is a theory-laden concept, having different contours indifferent semantic theories. Truth-functional consistency is appropriateonly if the semantic theory we are using identifies meaning withtruth-conditions. I argue that such a framework is not appropriate whenit comes to analzying epistemic modality. I show that a theory whichaccounts for a wide variety of semantic data about epistemic modals(Update Semantics) (...)
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  42.  34
    Zeno’s Paradoxes Revisited.Anguel S. Stefanov - 2013 - Logos and Episteme (3):319-335.
    My aim in this paper is to suggest a new outlook concerning the nature of Zeno’s paradoxes. The attention is directed towards the three famous paradoxes known as “Dichotomy,” “Achilles and the Tortoise,” and “The Arrow.” An analysis of the paradigmatic proposals for a solution shows that an adequate solution has not yet been reached. An answer is provided instead to the question “How Zeno’s paradoxes emerge in their quality of aporiae?,” that is to say in their quality of impasses, (...)
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  43. Prisoner's Dilemma.S. M. Amadae - 2015 - In Prisoners of Reason: Game Theory and Neoliberal Political Economy. New York: Cambridge University Press. pp. 24-61.
    As these opening quotes acknowledge, the Prisoner’s Dilemma (PD) represents a core puzzle within the formal mathematics of game theory.3 Its rise in conspicuity is evident figure 2.1 above demonstrating a relatively steady rise in incidences of the phrase’s usage between 1960 to 1995, with a stable presence persisting into the twenty first century. This famous two-person “game,” with a stock narrative cast in terms of two prisoners who each independently must choose whether to remain silent or speak, each advancing (...)
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  44.  71
    Risk, Contractualism, and Rose's "Prevention Paradox".S. D. John - 2014 - Social Theory and Practice 40 (1):28-50.
    Geoffrey Rose’s prevention paradox points to a tension between two prima facie plausible moral principles: that we should save the greater number and that weshould save the most at risk. This paper argues that a novel moral theory, ex-ante contractualism, captures our intuitions in many prevention paradox cases, regardless of our interpretation of probability claims. However, it goes on to show that it might be impossible to square ex-ante contractualism with all of our moral intuitions. It concludes that (...)
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  45.  73
    The paradox of self-consciousness.S. Ashford - 2001 - Australasian Journal of Philosophy 79 (2):298 – 300.
    Book Information The Paradox of Self-Consciousness. By José Luis Bermúdez. Bradford/MIT. Cambridge, MA. 1998. Pp. xv + 338. $US30.00.
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  46. Long-Term Semantic Memory Versus Contextual Memory in Unconscious Number Processing.S. Dehaene, A. G. Greenwald, R. L. Abrams & L. Naccache - 2003 - Journal of Experimental Psychology 29 (2):235-247.
    Subjects classified visible 2-digit numbers as larger or smaller than 55. Target numbers were preceded by masked 2-digit primes that were either congruent (same relation to 55) or incongruent. Experiments 1 and 2 showed prime congruency effects for stimuli never included in the set of classified visible targets, indicating subliminal priming based on long-term semantic memory. Experiments 2 and 3 went further to demonstrate paradoxical unconscious priming effects resulting from task context. For example, after repeated practice classifying 73 as larger (...)
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  47. Shoemaker on Moore's Paradox and Self-Knowledge.William S. Larkin - 1999 - Philosophical Studies 96 (3):239-252.
    Shoemaker argues that a satisfactory resolution of Moore's paradox requires a _self-intimation thesis that posits a "constitutive relation between belief and believing that one believes." He claims that such a thesis is needed to explain the crucial fact that the assent conditions for '_P' entail those for '_I believe that P'. This paper argues for an alternative resolution of Moore's paradox that provides for an adequate explanation of the crucial fact without relying on the kind of necessary connection (...)
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  48.  48
    Computable Diagonalizations and Turing’s Cardinality Paradox.Dale Jacquette - 2014 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 45 (2):239-262.
    A. N. Turing’s 1936 concept of computability, computing machines, and computable binary digital sequences, is subject to Turing’s Cardinality Paradox. The paradox conjoins two opposed but comparably powerful lines of argument, supporting the propositions that the cardinality of dedicated Turing machines outputting all and only the computable binary digital sequences can only be denumerable, and yet must also be nondenumerable. Turing’s objections to a similar kind of diagonalization are answered, and the implications of the paradox for the (...)
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  49.  11
    The New Defense of Determinism: Neurobiological Reduction.Mehmet Ödemi̇ş - 2021 - Kader 19 (1):29-54.
    Determinist thought with its sui generis view on life, nature and being as a whole is a point of view that could be observed in many different cultures and beliefs. It was thanks to Greek thought that it ceased to be a cultural element and transformed into a systematic cosmology. Schools such as Leucippos, then Democritos and Stoa attempted to integrate the determinist philosophy into ontology and cosmology. In the course of time, physics and metaphysics-based determinism approaches were introduced, and (...)
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  50. On the Einstein Podolsky Rosen paradox.J. S. Bell - 2004 - In John Stewart Bell (ed.), Speakable and unspeakable in quantum mechanics: collected papers on quantum philosophy. New York: Cambridge University Press. pp. 14--21.
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