243 found
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  1.  21
    Bell's Theorem Versus Local Realism in a Quaternionic Model of Physical Space.Joy Christian - 2019 - IEEE Access 7:133388-133409.
    In the context of EPR-Bohm type experiments and spin detections confined to spacelike hypersurfaces, a local, deterministic and realistic model within a Friedmann-Robertson-Walker spacetime with a constant spatial curvature (S^3 ) is presented that describes simultaneous measurements of the spins of two fermions emerging in a singlet state from the decay of a spinless boson. Exact agreement with the probabilistic predictions of quantum theory is achieved in the model without data rejection, remote contextuality, superdeterminism or backward causation. A singularity-free Clifford-algebraic (...)
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  2.  26
    Oversights in the Respective Theorems of von Neumann and Bell Are Homologous.Joy Christian - manuscript
    We show that the respective oversights in the von Neumann's general theorem against all hidden variable theories and Bell's theorem against their local-realistic counterparts are homologous. When latter oversight is rectified, the bounds on the CHSH correlator work out to be ±2√2 instead of ±2.
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  3. The Aggregation of Propositional Attitudes: Towards a General Theory.Franz Dietrich & List & Christian - 2010 - In Tamar Szabó Gendler & John Hawthorne (eds.), Oxford Studies in Epistemology Volume 3. Oxford University Press.
    How can the propositional attitudes of several individuals be aggregated into overall collective propositional attitudes? Although there are large bodies of work on the aggregation of various special kinds of propositional attitudes, such as preferences, judgments, probabilities and utilities, the aggregation of propositional attitudes is seldom studied in full generality. In this paper, we seek to contribute to …lling this gap in the literature. We sketch the ingredients of a general theory of propositional attitude aggregation and prove two new theorems. (...)
     
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  4.  25
    The Crucial Role of Turnover Intentions in Transforming Moral Disengagement Into Deviant Behavior at Work.Jessica Siegel Christian & Aleksander P. J. Ellis - 2014 - Journal of Business Ethics 119 (2):1-16.
    Organizational deviance represents a costly behavior to many organizations. While some precursors to deviance have been identified, we hope to add to our predictive capabilities. Utilizing social cognitive theory and psychological contract theory as explanatory concepts, we explore the role of moral disengagement and turnover intentions, testing our hypotheses using two samples: a sample of 44 nurses from a hospital system in the Southwestern United States (Study 1), and a sample of 52 working adults collected from an online survey system (...)
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  5.  19
    On a Surprising Oversight by John S. Bell in the Proof of His Famous Theorem.Joy Christian - unknown
    Bell inequalities are usually derived by assuming locality and realism, and therefore violations of the Bell-CHSH inequality are usually taken to imply violations of either locality or realism, or both. But, after reviewing an oversight by Bell, in the Corollary below we derive the Bell-CHSH inequality by assuming only that Bob can measure along vectors b and b' simultaneously while Alice measures along either a or a', and likewise Alice can measure along vectors a and a' simultaneously while Bob measures (...)
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  6.  8
    Quantum Correlations Are Weaved by the Spinors of the Euclidean Primitives.Joy Christian - 2018 - Royal Society Open Science 5:1-40.
    The exceptional Lie group E_8 plays a prominent role both in mathematics and theoretical physics. It is the largest symmetry group connected to the most general possible normed division algebra, that of the non-associative real octonions, which — thanks to their non-associativity — form the only possible closed set of spinors that can parallelize the 7-sphere. By contrast, here we show how a similar 7-sphere also arises naturally from the algebraic interplay of the graded Euclidean primitives, such as points, lines, (...)
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  7. The Moral Equality of Combatants.Barry Christian & Christie Lars - 2017 - In Seth Lazar & Helen Frowe (eds.), The Oxford Handbook of Ethics of War. Oxford: Oxford University Press.
    The doctrine of the moral equality of combatants holds that combatants on either side of a war have equal moral status, even if one side is fighting a just war while the other is not. This chapter examines arguments that have been offered for and against this doctrine, including the collectivist position famously articulated by Walzer and McMahan’s influential individualist critique. We also explore collectivist positions that have rejected the moral equality doctrine and arguments that some individualists have offered in (...)
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  8. We Acknowledge Gratefully the Receipt of Our Contemporaries: Adris Newsletter, Chicago, Summer 1977. Catholic Life in Poland (Press Survey), Warsaw, Summer 1977. The Churchman, Vol. 91. 3, July 1977. The Churchman, St. Petersburg, Florida, Summer and Autumn Numbers. [REVIEW]Gay Christian, Rocznichin Teologiezno-Kanoniczne & Zycie I. Mysl - 1977 - Studium : revista de filosofía y teología 17:2.
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  9. Nature’s Legacy: On Rohwer and Marris and Genomic Conservation.Richard Christian - 2015 - Ethics, Policy and Environment 18 (3):265-267.
    Rohwer & Marris claim that “many conservation biologists” believe that there is a prima facie duty to preserve the genetic integrity of species. (A prima facie duty is a necessary pro tanto moral reason.) They describe three possible arguments for that belief and reject them all. They conclude that the biologists they cite are mistaken, and that there is no such duty: duties to preserve genetic integrity are merely instrumental: we ought act to preserve genetic integrity only because doing so (...)
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  10.  27
    Perceived Comfort Level of Medical Students and Residents in Handling Clinical Ethics Issues.H. J. Silverman, J. Dagenais, E. Gordon-Lipkin, L. Caputo, M. W. Christian, B. W. Maidment, A. Binstock, A. Oyalowo & M. Moni - 2013 - Journal of Medical Ethics 39 (1):55-58.
    Background Studies have shown that medical students and residents believe that their ethics preparation has been inadequate for handling ethical conflicts. The objective of this study was to determine the self-perceived comfort level of medical students and residents in confronting clinical ethics issues. Methods Clinical medical students and residents at the University of Maryland School of Medicine completed a web-based survey between September 2009 and February 2010. The survey consisted of a demographic section, questions regarding the respondents’ sense of comfort (...)
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  11.  27
    The Shape of Things to Come: Exploring Goal-Directed Prospection.Brittany M. Christian, Lynden K. Miles, Fiona Hoi Kei Fung, Sarah Best & C. Neil Macrae - 2013 - Consciousness and Cognition 22 (2):471-478.
    Through the ability to preview the future , people can anticipate how best to think, feel and act in just about any setting. But exactly what factors determine the contents of prospection? Extending research on action identification and temporal construal, here we explored how action goals and temporal distance modulate the characteristics of future previews. Participants were required to imagine travelling to Egypt to climb or photograph a pyramid. Afterwards, to probe the contents of prospection, participants provided a sketch of (...)
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  12.  21
    Local Causality in a Friedmann-Robertson-Walker Spacetime.Joy Christian - unknown
    A local, deterministic, and realistic model within a Friedmann-Robertson-Walker spacetime with constant spatial curvature is presented which describes simultaneous measurements of the spins of two fermions emerging in a singlet state from the decay of a spinless boson. Exact agreement with the probabilistic predictions of quantum theory is achieved in the model without data rejection, remote contextuality, superdeterminism, or backward causation. An event-by-event numerical simulation of the model is presented, which confirms our analytical results with the accuracy of 4 in (...)
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  13.  77
    The Race for Theory.Barbara Christian - 1988 - Feminist Studies 14 (1):67.
  14.  31
    The Return of Universal History.David Christian - 2010 - History and Theory 49 (4):6-27.
    The prediction defended in this paper is that over the next fifty years we will see a return of the ancient tradition of “universal history”; but this will be a new form of universal history that is global in its practice and scientific in its spirit and methods. Until the end of the nineteenth century, universal history of some kind seems to have been present in most historiographical traditions. Then it vanished as historians became disillusioned with the search for grand (...)
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  15.  23
    Disproof of Bell's Theorem.Joy Christian - unknown
    We illustrate an explicit counterexample to Bell's theorem by constructing a pair of dichotomic variables that exactly reproduce the EPR-Bohm correlations in a manifestly local-realistic manner.
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  16. Book Review: Suffering Divine Things: Theology as Church PracticeSuffering Divine Things: Theology as Church PracticebyHütterReinhardEerdmans, Grand Rapids, 2000. 314 Pp. $25.00. ISBN 0-8028-4688-2. [REVIEW]Charles W. Christian - 2001 - Interpretation: A Journal of Bible and Theology 55 (3):333-333.
  17.  20
    Using Category Structures to Test Iterated Learning as a Method for Identifying Inductive Biases.Thomas L. Griffiths, Brian R. Christian & Michael L. Kalish - 2008 - Cognitive Science 32 (1):68-107.
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  18. Disproof of Bell's Theorem by Clifford Algebra Valued Local Variables.Joy Christian - unknown
    It is shown that Bell's theorem fails for the Clifford algebra valued local realistic variables. This is made evident by exactly reproducing quantum mechanical expectation value for the EPR-Bohm type spin correlations observable by means of a local, deterministic, Clifford algebra valued variable, without necessitating either remote contextuality or backward causation. Since Clifford product of multivector variables is non-commutative in general, the spin correlations derived within our locally causal model violate the CHSH inequality just as strongly as their quantum mechanical (...)
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  19.  23
    Visual Perspective and the Characteristics of Mind Wandering.Brittany M. Christian, Lynden K. Miles, Carolyn Parkinson & C. Neil Macrae - 2013 - Frontiers in Psychology 4.
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  20. 'A Lapsu Corruptus': Calvinist Doctrines and Seventeenth-Century Scottish Theses Ethicæ.Maurer Christian - 2016 - History of Universities 29 (2):188-209.
  21.  67
    Can Bell’s Prescription for Physical Reality Be Considered Complete?Joy Christian - unknown
    An experiment is proposed to test Bell’s theorem in a purely macroscopic domain. If realized, it would determine whether Bell inequalities are satisfied for a manifestly local, classical system. It is stressed why the inequalities should not be presumed to hold for such a macroscopic system without actual experimental evidence. In particular, by providing a purely classical, topological explanation for the EPR-Bohm type spin correlations, it is demonstrated why Bell inequalities must be violated in the manifestly local, macroscopic domain, just (...)
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  22.  8
    What Really Sets the Upper Bound on Quantum Correlations?Joy Christian - unknown
    The discipline of parallelization in the manifold of all possible measurement results is shown to be responsible for the existence of all quantum correlations, with the upper bound on their strength stemming from the maximum of possible torsion within all norm-composing parallelizable manifolds. A profound interplay is thus uncovered between the existence and strength of quantum correlations and the parallelizability of the spheres S^0, S^1, S^3, and S^7 necessitated by the four real division algebras. In particular, parallelization within a unit (...)
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  23.  41
    Macroscopic Observability of Spinorial Sign Changes Under 2pi Rotations.Joy Christian - unknown
    The question of observability of sign changes under 2pi rotations is considered. It is shown that in certain circumstances there are observable consequences of such sign changes in classical physics. A macroscopic experiment is proposed which could in principle detect the 4pi periodicity of rotations.
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  24. Disproof of Bell's Theorem: Further Consolidations.Joy Christian - unknown
    The failure of Bell's theorem for Clifford algebra valued local variables is further consolidated by proving that the conditions of remote parameter independence and remote outcome independence are duly respected within the recently constructed exact, local realistic model for the EPR-Bohm correlations. Since the conjunction of these two conditions is equivalent to the locality condition of Bell, this provides an independent geometric proof of the local causality of the model, at the level of microstates. In addition to local causality, the (...)
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  25.  15
    On the Suppression of Medical Evidence.Alexander Christian - 2017 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 48 (3):395-418.
    Financial conflicts of interest in medical research foster deviations from research standards and evidentially lead to the suppression of research findings that are at odds with commercial interests of pharmaceutical companies. Questionable research practices prevent data from being created, made available, or given suitable recognition. They run counter to codified principles of responsible conduct of research, such as honesty, openness or respect for the law. Resulting in ignorance, misrepresentation and suspension of scientific self-correction, suppression of medical evidence in its various (...)
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  26.  20
    Lexical Word Formation in Children with Grammatical SLI: A Grammar-Specific Versus an Input-Processing Deficit?Heather K. J. van der Lely & Valerie Christian - 2000 - Cognition 75 (1):33-63.
  27.  17
    The Second International Conference of the German Society for Philosophy of Science (GWP.2016), 8–11 March 2016.Alexander Christian, Christian J. Feldbacher-Escamilla & Alexander Gebharter - 2017 - In Selected Papers of the Triennial Conference of the German Society for Philosophy of Science GWP.2016, Düsseldorf, March 8–11, 2016. pp. 289-291.
  28.  13
    When Do I Wear Me Out? Mental Simulation and the Diminution of Self-Control.C. Neil Macrae, Brittany M. Christian, Marius Golubickis, Magdalene Karanasiou, Lenka Troksiarova, Diana L. McNamara & Lynden K. Miles - 2014 - Journal of Experimental Psychology: General 143 (4):1755-1764.
  29. Failure of Bell's Theorem and the Local Causality of the Entangled Photons.Joy Christian - unknown
    A counterexample to Bell's theorem is presented which uses a pair of photons instead of spin-1/2 particles used in our previous counterexamples. A locally causal protocol is provided for Alice and Bob, which allows them to simulate observing photon polarizations at various angles, and record their results as A=+/-1 in S^3 and B=+/-1 in S^3, respectively. When these results are compared, the correlations are seen to be exactly those predicted by quantum mechanics; namely cos 2(alpha - beta), where alpha and (...)
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  30.  93
    Disproofs of Bell, Ghz, and Hardy Type Theorems and the Illusion of Entanglement.Joy Christian - unknown
    An elementary topological error in Bell's representation of the EPR elements of reality is identified. Once recognized, it leads to a topologically correct local-realistic framework that provides exact, deterministic, and local underpinning of at least the Bell, GHZ-3, GHZ-4, and Hardy states. The correlations exhibited by these states are shown to be exactly the classical correlations among the points of a 3 or 7-sphere, both of which are closed under multiplication, and hence preserve the locality condition of Bell. The alleged (...)
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  31.  30
    Turning I Into Me: Imagining Your Future Self.C. Neil Macrae, Jason P. Mitchell, Kirsten A. Tait, Diana L. McNamara, Marius Golubickis, Pavlos P. Topalidis & Brittany M. Christian - 2015 - Consciousness and Cognition 37:207-213.
  32.  71
    Big History : Between Nothing and Everything.David Christian, Cynthia Brown & Craig Benjamin - unknown
  33.  27
    Macroscopic Observability of Fermionic Sign Changes: A Reply to Gill.Joy Christian - unknown
    In a recent arXiv preprint Richard Gill has criticized an experimental proposal published in a journal of theoretical physics which describes how to detect a macroscopic signature of fermionic sign changes. Here I point out that his worries stem from his own elementary algebraic and conceptual mistakes, and present several event-by-event numerical simulations which expose the vacuity of his claims by explicit computations.
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  34.  2
    Proposed Macroscopic Test of the Physical Relevance of Bell's Theorem.Joy Christian - unknown
    A macroscopic experiment capable of detecting a signature of spinorial sign changes is discussed. If realized, it would determine whether Bell inequalities are satisfied for a manifestly local, classical system. By providing an explicitly local-realistic derivation of the EPR-Bohm type spin correlations, it is demonstrated why Bell inequalities must be violated even in such a manifestly local, macroscopic domain, just as strongly as they are in the microscopic domain. The proposed experiment has the potential to transform our understanding of the (...)
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  35.  7
    Achieving Change in Health Care Practice.Sally Redfern & Sara Christian - 2003 - Journal of Evaluation in Clinical Practice 9 (2):225-238.
  36.  79
    A Simplified Local-Realistic Derivation of the EPR-Bohm Correlation.Joy Christian - unknown
    We illustrate an explicit counterexample to Bell's theorem by constructing a pair of spin variables within S^3 that exactly reproduces the EPR-Bohm correlation in a manifestly local-realistic manner.
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  37.  10
    Effects of Sucrose Concentrations Upon Schedule-Induced Polydipsia Using Free and Response-Contingent Dry-Food Reinforcement Schedules.Walter P. Christian, Robert W. Riester & Robert W. Schaeffer - 1973 - Bulletin of the Psychonomic Society 2 (2):65-68.
  38.  19
    Whither All the Scope and Generality of Bell's Theorem?Joy Christian - unknown
    In a recent preprint James Owen Weatherall has attempted a simple local-deterministic model for the EPR-Bohm correlation and speculated about why his model fails when my counterexample to Bell's theorem succeeds. Here I bring out the physical, mathematical, and conceptual reasons why his model fails. In particular, I demonstrate why no model based on a tensor representation of the rotation group SU can reproduce the EPR-Bohm correlation. I demonstrate this by calculating the correlation explicitly between measurement results A = +1 (...)
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  39. The Most Human Human: What Talking with Computers Teaches Us About What It Means to Be Alive.Brian Christian - 2011 - Doubleday.
  40. What Do You Mean Philosophy???James L. Christian - unknown
    Sometime, at your leisure—if you want to know what philosophy is—go into a large bookstore and browse. Check a variety of books in psychology, anthropology, physics, chemistry, archeology, astronomy, and other nonfiction fields. Look at the last chapter in each book. In a surprising number of cases, you will find that the author has chosen to round out his work with a final summation of what the book is all about. That is, having written a whole book on a specialized (...)
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  41.  7
    Experiments on the Deformation of Niobium Single Crystals.G. Taylor & J. W. Christian - 1967 - Philosophical Magazine 15 (137):893-929.
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  42.  17
    Refutation of Richard Gill's Argument Against My Disproof of Bell's Theorem.Joy Christian - unknown
    I identify a number of errors in Richard Gill's purported refutation of my disproof of Bell's theorem. In particular, I point out that his central argument is based, not only on a rather trivial misreading of my counterexample to Bell's theorem, but also on a simple oversight of a freedom of choice in the orientation of a Clifford algebra. What is innovative and original in my counterexample is thus mistaken for an error, at the expense of the professed universality and (...)
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  43.  36
    Truth and Consequences in James “The Will To Believe”.Rose Ann Christian - 2005 - International Journal for Philosophy of Religion 58 (1):1-26.
  44.  18
    Restoring Local Causality and Objective Reality to the Entangled Photons.Joy Christian - unknown
    Unlike our basic theories of space and time, quantum mechanics is not a locally causal theory. This well known fact was brought forth by Einstein, Podolsky, and Rosen in 1935. Today it is widely believed that any hopes of restoring local causality within a realistic theory have been undermined by Bell's theorem and its supporting experiments. By contrast, we provide a strictly local, deterministic, and realistic explanation for the correlations observed in two such supporting experiments performed at Orsay and Innsbruck. (...)
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  45.  10
    Lessons From James's Debate with Clifford: How Not to Philosophize. Christian - 2012 - American Journal of Theology and Philosophy 33 (2):159.
  46.  2
    Book Review: Process Philosophy and Christian Thought. [REVIEW]William A. Christian - 1972 - Interpretation: A Journal of Bible and Theology 26 (1):120-121.
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  47.  51
    Conditions of Religious Truth.William A. Christian - 1966 - World Futures 5 (2):88-92.
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  48.  44
    Temporal Pattern Similarity in Human MEG and Intracranial EEG Reveals the Reinstatement of Episodic Memory Trajectories.Staudigl Tobias, Vollmar Christian, Noachtar Soheyl & Hanslmayr Simon - 2015 - Frontiers in Human Neuroscience 9.
  49.  7
    Stacking Faults in Cold-Worked Cobalt-Nickel Alloys.J. W. Christian & J. Spreadborough - 1956 - Philosophical Magazine 1 (11):1069-1075.
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  50.  19
    The Calculation of Shear Stress and Shear Strain for Double Glide in Tension and Compression.D. K. Bowen & J. W. Christian - 1965 - Philosophical Magazine 12 (116):369-378.
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