Results for 'G. Morley'

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  1.  32
    Ethical Problems in Rural Healthcare: Local Symptoms, Systemic Disease.Christopher P. Morley & Peter G. Beatty - 2008 - American Journal of Bioethics 8 (4):59-60.
  2.  19
    Trusting the Ethics Consultant: Adopting a Trauma-Informed Approach to Ethics Consultation.P. J. Ford, G. Morley & L. R. Sankary - 2023 - American Journal of Bioethics 23 (1):101-103.
    Layers of complexity arise when a person arrives in an Intensive Care Unit (ICU) due to self-harm intended to end their life and when there is known past personal trauma. We highlight three importa...
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  3.  9
    Introduction.L. A. Harrington, M. D. Morley & S. G. Simpson - 1990 - Journal of Symbolic Logic 55 (2):867-868.
  4.  31
    Morley Rank in Homogeneous Models.Alexei Kolesnikov & G. V. N. G. Krishnamurthi - 2006 - Notre Dame Journal of Formal Logic 47 (3):319-329.
    We define an appropriate analog of the Morley rank in a totally transcendental homogeneous model with type diagram D. We show that if RM[p] = α then for some 1 ≤ n < ω the type p has n, but not n + 1, distinct D-extensions of rank α. This is surprising, because the proof of the statement in the first-order case depends heavily on compactness. We also show that types over (D,ℵ₀)-homogeneous models have multiplicity (Morley degree) 1.
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  5. Empowerment or Engagement? Digital Health Technologies for Mental Healthcare.Christopher Burr & Jessica Morley - 2020 - In Christopher Burr & Silvia Milano (eds.), The 2019 Yearbook of the Digital Ethics Lab. Springer Nature. pp. 67-88.
    We argue that while digital health technologies (e.g. artificial intelligence, smartphones, and virtual reality) present significant opportunities for improving the delivery of healthcare, key concepts that are used to evaluate and understand their impact can obscure significant ethical issues related to patient engagement and experience. Specifically, we focus on the concept of empowerment and ask whether it is adequate for addressing some significant ethical concerns that relate to digital health technologies for mental healthcare. We frame these concerns using five key (...)
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  6.  29
    Mikhail G. Peretyat'Kin. Finitely axiomatizable theories. English translation of Konechno aksiomatiziruemye teorii. Siberian school of algebra and logic. Consultants Bureau, New York, London, and Moscow, 1977, xiv + 294 pp. [REVIEW]Vivienne Morley - 1999 - Journal of Symbolic Logic 64 (4):1828-1830.
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  7.  18
    Review: Mikhail G. Peretyat'kin, Finitely Axiomatizable Theories. [REVIEW]Vivienne Morley - 1999 - Journal of Symbolic Logic 64 (4):1828-1830.
  8.  3
    Miscellanies. John Morley.G. P. Gooch - 1909 - International Journal of Ethics 20 (1):120-123.
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  9.  13
    Michael Morley. On theories categorical in uncountable powers. Proceedings of the National Academy of Sciences of the United States of America, vol. 49 , pp. 213–216. - Michael Morley. Categoricity in power. Transactions of the American Mathematical Society, vol. 114 , pp. 514–538. [REVIEW]G. Fuhrken - 1966 - Journal of Symbolic Logic 31 (4):646-646.
  10.  9
    Ω-stability and Morley rank of bilinear maps, rings and nilpotent groups.Alexei G. Myasnikov & Mahmood Sohrabi - 2017 - Journal of Symbolic Logic 82 (2):754-777.
    In this paper we study the algebraic structure ofω-stable bilinear maps, arbitrary rings, and nilpotent groups. We will also provide rather complete structure theorems for the above structures in the finite Morley rank case.
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  11.  7
    Review: Michael Morley, On Theories Categorical in Uncountable Powers; Michael Morley, Categoricity in Power. [REVIEW]G. Fuhrken - 1966 - Journal of Symbolic Logic 31 (4):646-646.
  12.  9
    Book Review:Miscellanies. John Morley[REVIEW]G. P. Gooch - 1909 - International Journal of Ethics 20 (1):120-.
  13.  2
    Review of John Morley: Miscellanies[REVIEW]G. P. Gooch - 1909 - International Journal of Ethics 20 (1):120-123.
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  14.  22
    Michael Morley. Omitting classes of elements. The theory of models, Proceedings of the 1963 International Symposium at Berkeley, edited by J. W. Addison, Leon Henkin, and Alfred Tarski, Studies in logic and the foundations of mathematics, North-Holland Publishing Company, Amsterdam1965, pp. 265–273. [REVIEW]E. G. K. Lopez-Escobar - 1968 - Journal of Symbolic Logic 33 (2):286-287.
  15. Review: Michael Morley, Omitting Classes of Elements. [REVIEW]E. G. K. Lopez-Escobar - 1968 - Journal of Symbolic Logic 33 (2):286-287.
  16.  5
    Guide Book to the Ruins of Quirigua. Sylvanus G. Morley.George Sarton - 1936 - Isis 25 (2):511-513.
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  17.  57
    A notion of rank in set theory without choice.G. S. Mendick & J. K. Truss - 2003 - Archive for Mathematical Logic 42 (2):165-178.
    Starting from the definition of `amorphous set' in set theory without the axiom of choice, we propose a notion of rank (which will only make sense for, at most, the class of Dedekind finite sets), which is intended to be an analogue in this situation of Morley rank in model theory.
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  18.  4
    Guide Book to the Ruins of Quirigua by Sylvanus G. Morley[REVIEW]George Sarton - 1936 - Isis 25:511-513.
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  19. On the falsity of the Fitzgerald-lorentz contraction hypothesis.Melbourne G. Evans - 1969 - Philosophy of Science 36 (4):354-362.
    The Fitzgerald-Lorentz contraction hypothesis, proposed as an explanation of the Michelson-Morley result, fails to account for the Kennedy-Thorndike result. Hence, Grünbaum argues, the hypothesis has been falsified. However, the contraction hypothesis as formulated by Lorentz is false for the very fundamental reason that it entails a contradiction, namely, the consequence that light waves must have a variable velocity along what by definition is taken to be a rest length. Furthermore, the attempt to resolve this contradiction by coupling the Fitzgerald-Lorentz (...)
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  20.  25
    Revised Robertson's test theory of special relativity.José G. Vargas - 1984 - Foundations of Physics 14 (7):625-651.
    The only test theory used by workers in the field of testing special relativity to analyze the significance of their experiments is the proof by H. P. Robertson [Rev. Mod. Phys. 21, 378 (1949)] of the Lorentz transformations from the results of the experimental evidence. Some researchers would argue that the proof contains an unwarranted assumption disguised as a convention about synchronization procedures. Others would say that alternative conventions are possible. In the present paper, no convention is used, but the (...)
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  21.  23
    Nonrelativistic para-Lorentzian mechanics.J. G. Vargas - 1981 - Foundations of Physics 11 (3-4):235-278.
    After reviewing the foundations of special relativity and the room left for rival theories, a set of nonrelativistic para-Lorentzian transformations is derived uniquely, based on (a) a weaker first principle, (b) the requirement that the transformations sought do not give rise to the clock “paradox” (in a refined version), and (c) the compliance of the transformations with the classical experiments of Michelson-Morley, Kennedy-Thorndike, and Ives-Stilwell. The corresponding dynamics is developed. Most of the experimental support of special relativity is reconsidered (...)
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  22.  20
    Kinematical and gravitational analysis of the rocket-borne clock experiment by Vessot and Levine using the revised Robertson's test theory of special relativity.José G. Vargas - 1986 - Foundations of Physics 16 (10):1003-1020.
    The kinematic aspects of the rocket-borne clock experiment by Vessot and Levine are analyzed with the revised Robertson's test theory of special relativity (Found. Phys. 14, 625 (1984)). Besides the expected time-dilation, it is found that the intermediate steps of this experiment yield in principle Michelson-Morley type information (a relation between longitudinal and transverse length contractions) in the third order of the velocities involved, but no relativity-of-simultaneity related effects.The flat space-time test theory induces a family of “spherically symmetric” line (...)
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  23.  16
    The relativity of simultaneity: A critical analysis.Melbourne G. Evans - 1962 - Dialectica 16 (1):61-82.
    RésuméLe raisonnement selon lequel la simultanéité est relative du point de vue de l'observateur est fondamental dans la Relativité restreinte. Pourtant, l'analyse de ce raisonnement mène aux critiques suivantes:1. Le raisonnement appartient à la physique classique plutǒt qu'à la physique relativiste, en ce qu'il adopte la conception classique de la propagation de la lumière et ignore le principe de la constance de la vitesse de la lumière.2. Il entre en conflit avec l'évidence empirique, car son hypothèse de base et son (...)
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  24.  29
    On dividing chains in simple theories.Steffen Lewitzka & Ruy J. G. B. De Queiroz - 2005 - Archive for Mathematical Logic 44 (7):897-911.
    Dividing chains have been used as conditions to isolate adequate subclasses of simple theories. In the first part of this paper we present an introduction to the area. We give an overview on fundamental notions and present proofs of some of the basic and well-known facts related to dividing chains in simple theories. In the second part we discuss various characterizations of the subclass of low theories. Our main theorem generalizes and slightly extends a well-known fact about the connection between (...)
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  25.  18
    Stephen G. Simpson. Nonprovability of certain combinatorial properties of finite trees. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. Ṧčedrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. 87–117. , pp. 45–65.). [REVIEW]W. Buchholz - 1990 - Journal of Symbolic Logic 55 (2):868-869.
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  26.  24
    Stephen G. Simpson. Friedman's research on subsystems of second order arithmetic. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. 137–159. [REVIEW]Wilfried Sieg - 1990 - Journal of Symbolic Logic 55 (2):870-874.
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  27. Bad groups of finite Morley rank.Luis Jaime Corredor - 1989 - Journal of Symbolic Logic 54 (3):768-773.
    We prove the following theorem. Let G be a connected simple bad group (i.e. of finite Morley rank, nonsolvable and with all the Borel subgroups nilpotent) of minimal Morley rank. Then the Borel subgroups of G are conjugate to each other, and if B is a Borel subgroup of G, then $G = \bigcup_{g \in G}B^g,N_G(B) = B$ , and G has no involutions.
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  28.  58
    A generation theorem for groups of finite Morley rank.Jeffrey Burdges & Gregory Cherlin - 2008 - Journal of Mathematical Logic 8 (2):163-195.
    We deal with two forms of the "uniqueness cases" in the classification of large simple K*-groups of finite Morley rank of odd type, where large means the 2-rank m2 is at least three. This substantially extends results known for even larger groups having Prüfer 2-rank at least three, so as to cover the two groups PSp 4 and G 2. With an eye towards more distant developments, we carry out this analysis for L*-groups, a context which is substantially broader (...)
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  29.  12
    Split BN-pairs of finite Morley rank.Katrin Tent - 2003 - Annals of Pure and Applied Logic 119 (1-3):239-264.
    Let G be a simple group of finite Morley rank with a definable BN-pair of rank 2 where B=UT for T=B ∩ N and U a normal subgroup of B with Z≠1. By [9] 853) the Weyl group W=N/T has cardinality 2n with n=3,4,6,8 or 12. We prove here:Theorem 1. If n=3, then G is interpretably isomorphic to PSL3 for some algebraically closed field K.Theorem 2. Suppose Z contains some B-minimal subgroup AZ with RMRM for both parabolic subgroups P1 (...)
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  30.  24
    J. C. Shepherdson. Algorithmic procedures, generalized Turing algorithms, and elementary recursion theory. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. 285–308. - J. C. Shepherdson. Computational complexity of real functions. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. 309–315. - A. J. Kfoury. The pebble game and logics of programs. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, an. [REVIEW]J. V. Tucker - 1990 - Journal of Symbolic Logic 55 (2):876-878.
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  31.  28
    Charles Steinhorn. Borel structures for first-order and extended logics. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. 161–178. [REVIEW]David Marker - 1990 - Journal of Symbolic Logic 55 (2):874-875.
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  32.  47
    C. Smoryński. Nonstandard models and related developments. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. 179–229. [REVIEW]C. Dimitracopoulos - 1990 - Journal of Symbolic Logic 55 (2):875-876.
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  33.  9
    Review: L. A. Harrington, M. D. Morley, A. Scedrov, S. G. Simpson, Introduction. [REVIEW]H. B. Enderton - 1990 - Journal of Symbolic Logic 55 (2):867-868.
  34.  14
    The Structure of an SL2-module of finite Morley rank.Jules Tindzogho Ntsiri - 2017 - Mathematical Logic Quarterly 63 (5):364-375.
    We consider a universe of finite Morley rank and the following definable objects: a field math formula, a non-trivial action of a group math formula on a connected abelian group V, and a torus T of G such that math formula. We prove that every T-minimal subgroup of V has Morley rank math formula. Moreover V is a direct sum of math formula-minimal subgroups of the form math formula, where W is T-minimal and ζ is an element of (...)
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  35.  20
    Berarducci, A. and Fornasiero, A., o-Minimal Cohomology: Finiteness and Invariance Results 2 (2009) 167 Burdges, J. and Cherlin, G., Semisimple Torsion in Groups of Finite Morley Rank 2 (2009) 183. [REVIEW]S. R. Buss & A. Beckmann - 2009 - Journal of Mathematical Logic 9 (2):285.
  36.  33
    Rick L. Smith. The consistency strengths of some finite forms of the Higman and Kruskal theorems. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. 119–136. [REVIEW]Wilfried Sieg - 1990 - Journal of Symbolic Logic 55 (2):869-870.
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  37.  16
    L. A. Harrington, M. D. Morley, A. S̆c̆edrov, and S. G. Simpson. Introduction. Harvey Friedman's research on the foundations of mathematics, edited by L. A. Harrington, M. D. Morley, A. Ščedrov, and S. G. Simpson, Studies in logic and the foundations of mathematics, vol. 117, North-Holland, Amsterdam, New York, and Oxford, 1985, pp. vii–xii. [REVIEW]H. B. Enderton - 1990 - Journal of Symbolic Logic 55 (2):867-868.
  38.  48
    Macintyre Angus. On ω1-categorical theories of abelian groups. Fundamenta mathematicae, vol. 70 , pp. 253–270.Macintyre Angus. On ω1-categorical theories of fields. Fundamenta mathematicae, vol. 71 , pp. 1–25.Reineke Joachim. Minimale Gruppen. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 21 , pp. 357–359.Baldwin J. T. and Saxl Jan. Logical stability in group theory. The journal of the Australian Mathematical Society, vol. 21 ser. A , pp. 267–276.Zil'bér B. I.. Gruppy i kol'ca, téoriá kotoryh katégorična . Fundamenta mathematicae, vol. 95 , pp. 173–188.Baur Walter, Cherlin Gregory, and Macintyre Angus. Totally categorical groups and rings. Journal of algebra, vol. 57 , pp. 407–440.Cherlin Gregory. Groups of small Morley rank. Annals of mathematical logic, vol. 17 , pp. 1–28.Cherlin G. and Shelah S.. Superstable fields and groups. Annals of mathematical logic, vol. 18 , pp. 227–270.Poizat Bruno. Sous-groupes définissables d 'un groupe stable. [REVIEW]Anand Pillay - 1984 - Journal of Symbolic Logic 49 (1):317-321.
  39.  36
    On the Schur-zassenhaus theorem for groups of finite Morley rank.Alexandre V. Borovik & Ali Nesin - 1992 - Journal of Symbolic Logic 57 (4):1469-1477.
    The Schur-Zassenhaus Theorem is one of the fundamental theorems of finite group theory. Here is its statement:Fact1.1 (Schur-Zassenhaus Theorem). Let G be a finite group and let N be a normal subgroup of G. Assume that the order ∣N∣ is relatively prime to the index [G:N]. Then N has a complement in G and any two complements of N are conjugate in G.The proof can be found in most standard books in group theory, e.g., in [S, Chapter 2, Theorem 8.10]. (...)
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  40.  31
    Fusion of 2-elements in groups of finite Morley rank.Luis-Jaime Corredor - 2001 - Journal of Symbolic Logic 66 (2):722-730.
    The Alperin-Goldschmidt Fusion Theorem [1, 5], when combined with pushing up [7], was a useful tool in the classification of the finite simple groups. Similar theorems are needed in the study of simple groups of finite Morley rank, in the even type case (that is, when the Sylow 2-subgroups are of bounded exponent, as in algebraic groups over fields of characteristic 2). In that context a body of results relating to fusion of 2-elements and the structure of 2-local subgroups (...)
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  41.  45
    Generalized fitting subgroup of a group of finite Morley rank.Ali Nesin - 1991 - Journal of Symbolic Logic 56 (4):1391-1399.
    We define a characteristic and definable subgroup F*(G) of any group G of finite Morley rank that behaves very much like the generalized Fitting subgroup of a finite group. We also prove that semisimple subnormal subgroups of G are all definable and that there are finitely many of them.
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  42.  11
    On the definability of verbal subgroups.Françcoise Point - 2001 - Archive for Mathematical Logic 40 (7):525-529.
    We show that if G is a group of finite Morley rank, then the verbal subgroup is of finite width, where w is a concise word. As a byproduct, we show that if G is any abelian-by-finite group, then Gn= is definable.
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  43.  32
    On central extensions of algebraic groups.Tuna Altinel & Gregory Cherlin - 1999 - Journal of Symbolic Logic 64 (1):68-74.
    In this paper the following theorem is proved regarding groups of finite Morley rank which are perfect central extensions of quasisimple algebraic groups.Theorem1.Let G be a perfect group of finite Morley rank and let C0be a definable central subgroup of G such that G/C0is a universal linear algebraic group over an algebraically closed field; that is G is a perfect central extension of finite Morley rank of a universal linear algebraic group. Then C0= 1.Contrary to an impression (...)
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  44.  25
    The geometry of weakly minimal types.Steven Buechler - 1985 - Journal of Symbolic Logic 50 (4):1044-1053.
    Let T be superstable. We say a type p is weakly minimal if R(p, L, ∞) = 1. Let $M \models T$ be uncountable and saturated, H = p(M). We say $D \subset H$ is locally modular if for all $X, Y \subset D$ with $X = \operatorname{acl}(X) \cap D, Y = \operatorname{acl}(Y) \cap D$ and $X \cap Y \neq \varnothing$ , dim(X ∪ Y) + dim(X ∩ Y) = dim(X) + dim(Y). Theorem 1. Let p ∈ S(A) be weakly (...)
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  45.  70
    Michelson, Fitzgerald and lorentz: The origins of relativity revisited.Harvey R. Brown - unknown
    It is argued that an unheralded moment marking the beginnings of relativity theory occurred in 1889, when G. F. FitzGerald, no doubt with the puzzling 1887 Michelson-Morley experiment fresh in mind, wrote to Heaviside about the possible effects of motion on inter-molecular forces in bodies. Emphasis is placed on the difference between FitzGerald's and Lorentz's independent justifications of the shape distortion effect involved. Finally, the importance of the their `constructive' approach to kinematics---stripped of any commitment to the physicality of (...)
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  46.  27
    Ethics of early detection of disease risk factors: A scoping review.Sammie N. G. Jansen, Bart A. Kamphorst, Bob C. Mulder, Irene van Kamp, Sandra Boekhold, Peter van den Hazel & Marcel F. Verweij - 2024 - BMC Medical Ethics 25 (1):1-16.
    Background Scientific and technological advancements in mapping and understanding the interrelated pathways through which biological and environmental exposures affect disease development create new possibilities for detecting disease risk factors. Early detection of such risk factors may help prevent disease onset or moderate the disease course, thereby decreasing associated disease burden, morbidity, and mortality. However, the ethical implications of screening for disease risk factors are unclear and the current literature provides a fragmented and case-by-case picture. Methods To identify key ethical considerations (...)
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  47.  17
    Independent testability and experimental type: Response to Erlichson.Ronald Laymon - 1982 - Philosophy of Science 49 (2):274-281.
    One of the things I attempted to do in my paper on independent testability was to illustrate convincingly the very real difficulties of distinguishing between the accidental and essential features of a scientific experiment. The importance of this distinction is that independent testability presumably requires differences that are essential and telling and not merely accidental reflections of existing experimental technique or of the procedural preferences of the experimenter. In the case of the Michelson-Morley and Kennedy-Thorndike experiments, I showed, following (...)
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  48.  6
    Selected logic papers.Gerald E. Sacks - 1999 - River Edge, N.J.: World Scientific.
    Contents: Recursive Enumerability and the Jump Operator; On the Degrees Less Than 0'; A Simple Set Which Is Not Effectively Simple; The Recursively Enumerable Degrees Are Dense; Metarecursive Sets (with G Kreisel); Post's Problem, Admissible Ordinals and Regularity; On a Theorem of Lachlan and Marlin; A Minimal Hyperdegree (with R O Gandy); Measure-Theoretic Uniformity in Recursion Theory and Set Theory; Forcing with Perfect Closed Sets; Recursion in Objects of Finite Type; The a-Finite Injury Method (with S G Simpson); Remarks Against (...)
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  49.  60
    Einstein's discovery of special relativity.Gary Gutting - 1972 - Philosophy of Science 39 (1):51-68.
    This paper discusses the controversy between philosophers of science (e.g. Grünbaum) and historians of science (e.g. Holton) regarding Einstein's discovery of STR. Although Holton is surely correct on the historical point that experimental results (especially the Michelson-Morley experiment) had little influence on Einstein's development of STR, this fact is not sufficient to establish his (and Polanyi's) claim that major scientific discoveries are primarily matters of private, nonspecifiable insights into physical reality. It is possible that Einstein's work was based primarily (...)
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  50. Echo Chambers, Ignorance and Domination.Breno R. G. Santos - 2021 - Social Epistemology 35 (2):109-119.
    My aim in this paper is to engage with C. Thi Nguyen’s characterization of the echo chamber and to propose two things. First, I argue that a proper reading of his concept of echo chamber should make use of the notion of ignorance in the form of a structural epistemic insensitivity. My main contention is that ignorance as a substantive structural practice accounts for the epistemically deleterious effects of echo chambers. Second, I propose that from the talk of ignorance we (...)
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