Results for 'Constancy of Light Velocity'

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  1. A Fundamentally Irreversible World as an Opportunity Towards a Consistent Understanding of Quantum and Cosmological Contexts.Tributsch Helmut [email protected] - 2016 - Lournal of Modern Physics 7:1455-1482.
    In a preceding publication a fundamentally oriented and irreversible world was shown to be de- rivable from the important principle of least action. A consequence of such a paradigm change is avoidance of paradoxes within a “dynamic” quantum physics. This becomes essentially possible because fundamental irreversibility allows consideration of the “entropy” concept in elementary processes. For this reason, and for a compensation of entropy in the spread out energy of the wave, the duality of particle and wave has to be (...)
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  2. The Self and Its World: Husserlian Contributions to a Metaphysics of Einstein’s Theory of Relativity and Heisenberg’s Indeterminacy Principle in Quantum Physics.Maria Eliza Cruz - manuscript
    This paper centers on the implicit metaphysics beyond the Theory of Relativity and the Principle of Indeterminacy – two revolutionary theories that have changed 20th Century Physics – using the perspective of Husserlian Transcedental Phenomenology. Albert Einstein (1879-1955) and Werner Heisenberg (1901-1976) abolished the theoretical framework of Classical (Galilean- Newtonian) physics that has been complemented, strengthened by Cartesian metaphysics. Rene Descartes (1596- 1850) introduced a separation between subject and object (as two different and self- enclosed substances) while Galileo and Newton (...)
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  3.  81
    The Paradox of Colour Constancy: Plotting the Lower Borders of Perception.Will Davies - forthcoming - Noûs.
    This paper resolves a paradox concerning colour constancy. On the one hand, our intuitive, pre-theoretical concept holds that colour constancy involves invariance in the perceived colours of surfaces under changes in illumination. On the other, there is a robust scientific consensus that colour constancy can persist in cerebral achromatopsia, a profound impairment in the ability to perceive colours. The first stage of the solution advocates pluralism about our colour constancy capacities. The second details the close relationship (...)
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  4. Does Colour Constancy Exist?David H. Foster - 2003 - Trends in Cognitive Sciences 7 (10):439-443.
    For a stable visual world, the colours of objects should appear the same under different lights. This property of colour constancy has been assumed to be fundamental to vision, and many experimental attempts have been made to quantify it. I contend here, however, that the usual methods of measurement are either too coarse or concentrate not on colour constancy itself, but on other, complementary aspects of scene perception. Whether colour constancy exists other than in nominal terms remains (...)
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  5.  59
    Fluctuating Environmental Light Limits Number of Surfaces Visually Recognizable by Colour.David H. Foster - 2021 - Scientific Reports 11:2102.
    Small changes in daylight in the environment can produce large changes in reflected light, even over short intervals of time. Do these changes limit the visual recognition of surfaces by their colour? To address this question, information-theoretic methods were used to estimate computationally the maximum number of surfaces in a sample that can be identified as the same after an interval. Scene data were taken from successive hyperspectral radiance images. With no illumination change, the average number of surfaces distinguishable (...)
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  6. The Situation-Dependency of Perception.Susanna Schellenberg - 2008 - Journal of Philosophy 105 (2):55-84.
    I argue that perception is necessarily situation-dependent. The way an object is must not just be distinguished from the way it appears and the way it is represented, but also from the way it is presented given the situational features. First, I argue that the way an object is presented is best understood in terms of external, mind-independent, but situation-dependent properties of objects. Situation-dependent properties are exclusively sensitive to and ontologically dependent on the intrinsic properties of objects, such as their (...)
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  7. Special Relativity in a Universe of Flowing Time.Ted Dace - 2015 - International Journal of Fundamental Physical Sciences 5 (3).
    By eliminating the need for an absolute frame of reference or ether, Einstein resolved the problem of the constancy of light-speed in all inertial frames but created a new problem in our understanding of time. The resolution of this problem requires no experimentation but only a careful analysis of special relativity, in particular the relativity of simultaneity. This concept is insufficiently relativistic insofar as Einstein failed to recognize that any given set of events privileges the frame in which (...)
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  8.  78
    The C-Aplpha Non Exclusion Principle and the Vastly Different Internal Electron and Muon Center of Charge Vacuum Fluctuation Geometry.Jim Wilson - forthcoming - Physics Essays.
    The electronic and muonic hydrogen energy levels are calculated very accurately [1] in Quantum Electrodynamics (QED) by coupling the Dirac Equation four vector (c ,mc2) current covariantly with the external electromagnetic (EM) field four vector in QED’s Interactive Representation (IR). The c -Non Exclusion Principle(c -NEP) states that, if one accepts c as the electron/muon velocity operator because of the very accurate hydrogen energy levels calculated, the one must also accept the resulting electron/muon internal spatial and time coordinate operators (...)
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  9. PARTS OF THE BHAGAVAD GITA COMPRESSED INTO A FEW THOUSAND WORDS FAMILIAR TO 21ST CENTURY SCIENTISTS.Rodney Bartlett - 2015 - Http://Vixra.Org/Author/Rodney_bartlett.
    This is an essay I entered in a competition about the Bhagavad Gita. Probably written about 2,000 years ago; this writing is perhaps the greatest philosophical expression of Hinduism. I was attracted to the contest because the website included a very favourable comment about the Bhagavad Gita by Albert Einstein (see below). For a while, I actually considered it possible that I’d win the contest. But that time has passed. The winner has been announced and I can now see my (...)
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  10. A Study on Invariance of Temporal Coincidence.Andrew Wutke - manuscript
    This paper presents an attempt to define temporal coincidence starting from the first principles. The temporal coincidence defined here differs from Einstein’s simultaneity for it is invariant across inertial frames - not relative. The meaning and significance of temporal coincidence is derived from axioms of existence and it somehow relates to Kant’s notion of simultaneity. Consistentl y applied to the Special Theory of Relativity framework, temporal coincidence does not in any way create mathematical contradictions; however it allows looking at some (...)
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  11. The Media of Relativity.Jimena Canales - 2015 - Technology and Culture 56 (3):610-645.
    How are fundamental constants, such as c for the speed of light, related to particular technological environments? Our understanding of the constant c and Einstein’s relativistic cosmology depended on key experiences and lessons learned in connection to new forms of telecommunications, first used by the military and later adapted for commercial purposes. Many of Einstein’s contemporaries understood his theory of relativity by reference to telecommunications, some referring to it as “signal-theory” and “message theory.” Prominent physicists who contributed to it (...)
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  12. White Logic and the Constancy of Color.Helen A. Fielding - 2006 - In Dorothea Olkowski & Gail Weiss (eds.), Feminist Interpretations of Maurice Merleau-Ponty. University Park, Pennsylvania, USA: Pennsylvania State University Press. pp. 71-89.
    This chapter considers the ways in which whiteness as a skin color and ideology becomes a dominant level that sets the background against which all things, people and relations appear. Drawing on Merleau-Ponty's phenomenology, it takes up a series of films by Bruce Nauman and Marlon Riggs to consider ways in which this level is phenomenally challenged providing insights into the embodiment of racialization.
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  13.  75
    The Mach-Zehnder Interferometer and Photon Dualism: With an Analysis of Nonlocality (2021).Paul A. Klevgard - 2020 - SPIE 11481, Light in Nature VIII, 114810B (21 August 2020).
    The Mach-Zehnder Interferometer (MZI) is chosen to illustrate the long-standing wave-particle duality problem. Why is which-way (welcher weg) information incompatible with wave interference? How do we explain Wheeler’s delayed choice experiment? Most crucially, how can the photon divide at the first beam splitter and yet terminate on either arm with its undiminished energy? The position advanced is that the photon has two identities, one supporting particle features and the other wave features. There is photon kinetic energy that never splits (on (...)
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  14.  42
    [Early First Draft] Must Minkowski Spacetime Be Categorized as Pseudoscience? (Revisiting the Legitimacy of Mansouri-Sexl Test Theory).Shiva Meucci - manuscript
    Here we discuss and hope to solve a problem rooted in the necessity of the study of historical science, the slow deviation of physics education over the past century, and how the loss of crucial contextual tool has debilitated discussion of a very important yet specialized physics sub-topic: the isotropy of the one-way speed of light. Most notably, the information that appears to be most commonly missing is not simply the knowledge of the historical fact that Poincare and Lorentz (...)
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  15. “Phenomenal Objectivity and Phenomenal Intentionality: In Defense of a Kantian Account.”.Farid Masrour - 2013 - In Uriah Kriegel (ed.), Phenomenal Intentionality. Oxford University Press. pp. 116.
    Perceptual experience has the phenomenal character of encountering a mind-independent objective world. What we encounter in perceptual experience is not presented to us as a state of our own mind. Rather, we seem to encounter facts, objects, and properties that are independent from our mind. In short, perceptual experience has phenomenal objectivity. This paper proposes and defends a Kantian account of phenomenal objectivity that grounds it in experiences of lawlike regularities. The paper offers a novel account of the connection between (...)
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  16. 2. Programming Relativity as the Mathematics of Perspective in a Planck Unit Simulation Hypothesis.Malcolm Macleod - manuscript
    The Simulation Hypothesis proposes that all of reality is in fact an artificial simulation, analogous to a computer simulation. Outlined here is a method for programming relativistic mass, space and time at the Planck level as applicable for use in Planck Universe-as-a-Simulation Hypothesis. For the virtual universe the model uses a 4-axis hyper-sphere that expands in incremental steps (the simulation clock-rate). Virtual particles that oscillate between an electric wave-state and a mass point-state are mapped within this hyper-sphere, the oscillation driven (...)
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  17. Figures of Light in the Early History of Relativity (1905-1914).Scott A. Walter - 2018 - In David E. Rowe, Tilman Sauer & Scott A. Walter (eds.), Einstein Studies. New York, USA: Birkhäuser. pp. 3-50.
    Albert Einstein's bold assertion of the form-invariance of the equation of a spherical light wave with respect to inertial frames of reference became, in the space of six years, the preferred foundation of his theory of relativity. Early on, however, Einstein's universal light-sphere invariance was challenged on epistemological grounds by Henri Poincaré, who promoted an alternative demonstration of the foundations of relativity theory based on the notion of a light-ellipsoid. Drawing in part on archival sources, this paper (...)
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  18. Plato’s Response to the Third Man Argument in the Paradoxical Exercise of the Parmenides.Bryan Frances - 1996 - Ancient Philosophy 16 (1):47-64.
    An analysis of the Third Man Argument, especially in light of Constance Meinwald's book Plato's Parmenides. I argue that her solution to the TMA fails. Then I present my own theory as to what Plato's solution was.
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  19. Review of Glimpse of Light. New Meditations on First Philosophy by Stephen Mumford. [REVIEW]Jan Arreman - 2019 - Philosophy in Review (1):44-45.
    Review of Glimpse of Light. New Meditations on First Philosophy by Stephen Mumford.
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  20. Philosophy of Light.Floyd Irving Lorbeer - 1932 - Los Angeles, Calif., Wetzel Publishing Co..
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  21. Constancy Mechanisms and the Normativity of Perception.Zed Adams & Chauncey Maher - 2017 - In Zed Adams & Jacob Browning (eds.), Giving a Damn: Essays in Dialogue with John Haugeland. Cambridge, MA: MIT Pres.
    In this essay, we draw on John Haugeland’s work in order to argue that Burge is wrong to think that exercises of perceptual constancy mechanisms suffice for perceptual representation. Although Haugeland did not live to read or respond to Burge’s Origins of Objectivity, we think that his work contains resources that can be developed into a critique of the very foundation of Burge’s approach. Specifically, we identify two related problems for Burge. First, if (what Burge calls) mere sensory responses (...)
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  22. Looking Into the Heart of Light: Considering the Poetic Event in the Work of T.S. Eliot and Martin Heidegger.Dominic Griffiths - 2014 - Philosophy and Literature 38 (2):350-367.
    No one is quite sure what happened to T.S. Eliot in that rose-garden. What we do know is that it formed the basis for Four Quartets, arguably the greatest English poem written in the twentieth century. Luckily it turns out that Martin Heidegger, when not pondering the meaning of being, spent a great deal of time thinking and writing about the kind of event that Eliot experienced. This essay explores how Heidegger developed the concept of Ereignis, “event” which, in the (...)
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  23. Space-Time Intervals Underlie Human Conscious Experience, Gravity, and a Theory of Everything.Richard Sieb - 2018 - Neuroquantology 16 (7):49-64.
    Space-time intervals are the fundamental components of conscious experience, gravity, and a Theory of Everything. Space-time intervals are relationships that arise naturally between events. They have a general covariance (independence of coordinate systems, scale invariance), a physical constancy, that encompasses all frames of reference. There are three basic types of space-time intervals (light-like, time-like, space-like) which interact to create space-time and its properties. Human conscious experience is a four-dimensional space-time continuum created through the processing of space-time intervals by (...)
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  24. Hegel and the Divinity of Light in Zoroastrianism and Islamic Phenomenology.Mohammad Azadpur - 2007 - The Classical Bulletin 82 (2):227-246.
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  25. Phenomenology of Light.PhD Rudolph Bauer, Rudolph Bauer - 2012 - Transmission 1 (Awareness).
    The foucus of this paper is on the unfolding of luminousity within the field of awareness.
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  26.  51
    Is the Speed of Light Knowable a Priori.Ilhan Inan - 2017 - In Thought Experiments between Nature and Society,A Festschrift for Nenad Miščević. Oxford, UK: pp. 204-215.
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  27. Constancy and Coherence in 1.4.2 of Hume’s Treatise: The Root of “Indirect” Causation and Hume’s Position on Objects.Stefanie Rocknak - 2013 - The European Legacy (4):444-456.
    This article shows that in 1.4.2.15-24 of the Treatise of Human Nature, Hume presents his own position on objects, which is to be distinguished from both the vulgar and philosophical conception of objects. Here, Hume argues that objects that are effectively imagined to have a “perfect identity” are imagined due to the constancy and coherence of our perceptions (what we may call ‘level 1 constancy and coherence’). In particular, we imagine that objects cause such perceptions, via what I (...)
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  28.  90
    A Wormhole of Light by Using Electronic Materials.Areena Bhatti - 2020 - Physics Tomorrow Letters 2:9.
    Wormhole is a popular tool for interstellar travel in science fiction. It connects two different space-time points directly although such an astrophysical object is not yet observed, but in 2015, researchers in Spain created a tiny magnetic wormhole for the first time ever. They used it to connect two regions of space so that a magnetic field could travel 'invisibly' between them. This article presents a model of making a wormhole of light on the principle of conversion of energy (...)
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  29. The Twin Paradox and Einstein Mistake.Victor Orsini - manuscript
    Time contraction is not a property of the moving body. Permanent contraction is against the constancy of the speed of light. Einstein uses wrong units of measurement and comes to wrong conclusions. We use the translation of the article "On the electrodynamics of moving bodies".
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  30. The Proximity of Light: A Deconstruction of Space.Timothy Rogers - 2004
    A deconstruction of the implicit notion of Absolute space that dominates modern physics. The deconstruction is enacted by juxtaposing the common notion of Absolute space abstracted from Newton’s Philosophiae Naturalis Principia Mathematica with Levinas’ particular present treatment of space in Otherwise than Being: Or Beyond Essence.
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  31. A Notion or a Measure: The Quantification of Light to 1939.Sean F. Johnston - 1994 - Dissertation, University of Leeds
    This study, presenting a history of the measurement of light intensity from its first hesitant emergence to its gradual definition as a scientific subject, explores two major themes. The first concerns the adoption by the evolving physics and engineering communities of quantitative measures of light intensity around the turn of the twentieth century. The mathematisation of light measurement was a contentious process that hinged on finding an acceptable relationship between the mutable response of the human eye and (...)
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  32. Reid, Constance. Hilbert (a Biography). Reviewed by Corcoran in Philosophy of Science 39 (1972), 106–08.John Corcoran - 1972 - Philosophy of Science 39 (1):106-108.
    Reid, Constance. Hilbert (a Biography). Reviewed by Corcoran in Philosophy of Science 39 (1972), 106–08. -/- Constance Reid was an insider of the Berkeley-Stanford logic circle. Her San Francisco home was in Ashbury Heights near the homes of logicians such as Dana Scott and John Corcoran. Her sister Julia Robinson was one of the top mathematical logicians of her generation, as was Julia’s husband Raphael Robinson for whom Robinson Arithmetic was named. Julia was a Tarski PhD and, in recognition of (...)
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  33.  23
    Perspectivism and Special Relativity.Mahdi Khalili - 2021 - Teorie Vědy / Theory of Science 43 (2):191-217.
    The special theory of relativity holds significant interest for scientific perspectivists. In this paper, I distinguish between two related meanings of “perspectival,” and argue that reference frames are perspectives, provided that perspectival means “being conditional” rather than “being partial.” Frame-dependent properties such as length, time duration, and simultaneity, are not partially measured in a reference frame, but their measurements are conditional on the choice of frame. I also discuss whether the constancy of the speed of light depends on (...)
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  34. How Things Look (And What Things Look That Way).Mohan Matthen - 2010 - In Bence Nanay (ed.), Perceiving the World. Oxford University Press. pp. 226.
    What colour does a white wall look in the pinkish light of the late afternoon? Philosophers disagree: they hold variously that it looks pink, white, both, and no colour at all. A new approach is offered. After reviewing the dispute, a reinterpretation of perceptual constancy is offered. In accordance with this reinterpretation, it is argued that perceptual features such as color must always be predicated of perceptual objects. Thus, it might be that in pinkish light, the wall (...)
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  35. An Unconvincing Transformation? Michelson's Interferential Spectroscopy.Sean F. Johnston - 2003 - Nuncius 18 ( 2):803-823.
    Albert Abraham Michelson (1852-1931), the American optical physicist best known for his precise determination of the velocity of light and for his experiments concerning aether drift, is less often acknowledged as the creator of new spectroscopic instrumentation and new spectroscopies. He devised a new method of light analysis relying upon his favourite instrument – a particular configuration of optical interferometer – and published investigations of spectral line separation, Doppler-broadening and simple high-resolution spectra (1887-1898). Contemporaries did not pursue (...)
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  36.  78
    The Kochen - Specker Theorem in Quantum Mechanics: A Philosophical Comment (Part 1).Vasil Penchev - 2013 - Philosophical Alternatives 22 (1):67-77.
    Non-commuting quantities and hidden parameters – Wave-corpuscular dualism and hidden parameters – Local or nonlocal hidden parameters – Phase space in quantum mechanics – Weyl, Wigner, and Moyal – Von Neumann’s theorem about the absence of hidden parameters in quantum mechanics and Hermann – Bell’s objection – Quantum-mechanical and mathematical incommeasurability – Kochen – Specker’s idea about their equivalence – The notion of partial algebra – Embeddability of a qubit into a bit – Quantum computer is not Turing machine – (...)
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  37. Book Reviews - ISIS: History of the Principle of Interference of Light.Nahum Kipnis - 1992 - Isis 83 (4):671-72.
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  38.  33
    Xiang Chen, Instrumental Traditions and Theories of Light: The Uses of Instruments in the Optical Revolution. Science and Philosophy, 9. Dordrecht, Boston and London: Kluwer Academic Publishers, 2000. Pp. XXIII+211. Isbn 0-7923-6349-3. £60·00, $99·00. [REVIEW]Sean F. Johnston - 2002 - British Journal for the History of Science 35 (1):97-123.
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  39. Einstein's Discourse Networks.Jimena Carnales - 2014 - Zeitschrift für Medien- Und Kulturforschung 2014 (1):11-39.
    This paper situates Einstein's theory of relativity within broader networks of communication. The speed of light, explained Einstein, was an unsurpassable velocity if , and only if , it was considered in terms of »arbitrary« and »voluntary« signals. Light signals in physics belong within a broader set of signs and symbols that include communication and military signals, understood by reference to Helmholtz, Saussure, media philosophies from WWII to '68 (Lavelle, Ong, McLuhan) and Derrida. Once light signals (...)
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  40. Reality in Perspectives.Mahdi Khalili - 2022 - Dissertation, VU University Amsterdam
    This dissertation is about human knowledge of reality. In particular, it argues that scientific knowledge is bounded by historically available instruments and theories; nevertheless, the use of several independent instruments and theories can provide access to the persistent potentialities of reality. The replicability of scientific observations and experiments allows us to obtain explorable evidence of robust entities and properties. The dissertation includes seven chapters. It also studies three cases – namely, Higgs bosons and hypothetical Ϝ-particles (section 2.4), the Ptolemaic and (...)
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  41. Do Constancy Mechanisms Save Distal Content?Justin Garson - 2019 - Philosophical Quarterly 69 (275):409-417.
    In this journal, Schulte develops a novel solution to the problem of distal content: by virtue of what is a mental representation about a distal object rather than a more proximal cause of that representation? Schulte maintains that in order for a representation to have a distal content, it must be produced by a constancy mechanism, along with two other conditions. I raise three objections to his solution. First, a core component of Schulte's solution is just a restrictive version (...)
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  42. Time's Paradigm.Alan Graham & Alan R. Graham - 2020
    This wide ranging discourse covers many disciplines of science and the human condition in an attempt to fully understand the manifestation of time. Time's Paradigm is, at its inception, a philosophical debate between the theories of 'Presentism' and 'The Block Model', beginning with a pronounced psychological analysis of 'free will' in an environment where the past and the future already exist. It lays the foundation for the argument that time is a cyclical, contained progression, rather than a meandering voyage into (...)
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  43. Light Out of Plenitude: Towards an Epistemology of Mystical Inclusivism.Janusz Salamon - 2010 - European Journal for Philosophy of Religion 2 (2):141 - 175.
    In this paper I argue that from the point of view of a theist, inclusivism with respect to the issue whether adherents of different religious traditions can have veridical experience of God (or Ultimate Reality) now, is more plausible than the Alstonian exclusivism. I suggest that mystical inclusivism of the kind I imply in this paper may contribute to the development of cross-cultural philosophy of religion, as well as to the theoretical framework for inter-religious dialogue, because (1) it allows for (...)
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  44. Seeing‐As in the Light of Vision Science.Ned Block - 2014 - Philosophy and Phenomenological Research 89 (1):560-572.
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  45.  9
    Personality and Authenticity in Light of the Memory-Modifying Potential of Optogenetics: A Reply to Objections About Potential Therapeutic Applicability of Optogenetics.Agnieszka K. Adamczyk & Przemysław Zawadzki - 2021 - American Journal of Bioethics Neuroscience 1 (12).
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  46.  87
    Science, Dualities and the Phenomenological Map.H. G. Solari & Mario Natiello - manuscript
    We present an epistemological scheme of natural sciences inspired in Peirce's pragmaticist view, stressing the role of the \emph{phenomenological map}, that connects reality and our ideas about it. The scheme has a recognisable mathematical/logical structure which allows to explore some of its consequences. We show that seemingly independent principles as the requirement of reproducibility of experiments and the Principle of sufficient reason are both implied by the scheme, as well as Popper's concept of falsifiability. We show that the scheme has (...)
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  47. Colour Constancy and Fregean Representationalism.Boyd Millar - 2013 - Philosophical Studies 164 (1):219-231.
    All representationalists maintain that there is a necessary connection between an experience’s phenomenal character and intentional content; but there is a disagreement amongst representationalists regarding the nature of those intentional contents that are necessarily connected to phenomenal character. Russellian representationalists maintain that the relevant contents are composed of objects and/or properties, while Fregean representationalists maintain that the relevant contents are composed of modes of presentation of objects and properties. According to Fregean representationalists such as David Chalmers and Brad Thompson, the (...)
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  48. Suhrawardī on Knowledge and the Experience of Light.Hossein Ziai - 2005, - In Matthew T. Kapstein (ed.), The Experience of Light: Divine Radiance and Religious Experience. Chicago & London: The University of Chicago Press. pp. 25-44.
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  49.  59
    Constancy and Constitution.Kristjan Laasik - 2021 - Theoria 87 (3):781-798.
    I argue for the following claims: (1) A core Husserlian account of perceptual constancy needs to be given in terms of indicative future-oriented conditionals but can be complemented by a counterfactual account; (2) thus conceived, constancy is a necessary aspect of content. I speak about a “core Husserlian” account so as to capture certain ideas that Michael Madary has presented as the core of Edmund Husserl's approach to perceptual constancy, viz., that “perception is partly constituted by the (...)
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  50.  66
    Color Constancy: Phenomenal or Projective?Adam J. Reeves, Kinjiro Amano & David H. Foster - 2008 - Perception and Psychophysics 70:219-228.
    Naive observers viewed a sequence of colored Mondrian patterns, simulated on a color monitor. Each pattern was presented twice in succession, first under one daylight illuminant with a correlated color temperature of either 16,000 or 4,000 K and then under the other, to test for color constancy. The observers compared the central square of the pattern across illuminants, either rating it for sameness of material appearance or sameness of hue and saturation or judging an objective property—that is, whether its (...)
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