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Archibald R. Lewis [30]Albert C. Lewis [25]Andrew Lewis [20]Archibald Lewis [18]
Andrew E. M. Lewis [12]Andrew W. Lewis [10]Alan Lewis [10]A. J. Lewis [9]

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Profile: Adrian Lewis
Profile: Andrew Lewis (Graduate Theological Union)
Profile: Ashley Lewis (Wake Forest University)
Profile: Adrienne Lewis
Profile: Andrew J. Lewis
  1.  19
    Morals and Markets: The Case of Ethical Investing.Craig Mackenzie & Alan Lewis - 1999 - Business Ethics Quarterly 9 (3):439-452.
    This paper is a report of an empirical psychological study of the relationship between the ethical and financial beliefs and desires of ethical investors. Semi-structured interviews of 20 ethical investors have been carried out by the project 10 of which have been analysed using qualitative data analysis software. All of our participants faced the problem that, while they had ethical concerns, they were not prepared to sacrifice their essential financial requirements to address them. We found four common ways of dealing (...)
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  2.  29
    Support for Investor Activism Among U.K. Ethical Investors.Alan Lewis & Craig Mackenzie - 2000 - Journal of Business Ethics 24 (3):215 - 222.
    An important goal of ethical investment is to influence companies to improve their ethical and environmental performance. The principal means that many ethical funds employ is passive market signalling, which may not, on its own, have a significant effect. A much more promising approach may be active engagement. This paper reports on a questionnaire study of a sample of 1146 ethical investors in order to assess whether U.K. ethical investors would support more activist ethical investment and whether they would be (...)
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  3.  11
    Ethics and Economic Affairs.Alan Lewis & Karl Erik Wärneryd (eds.) - 1994 - Routledge.
    The longstanding interest in business ethics has been given renewed emphasis by high profile scandals in the world of business and finance. At the same time, many economists--dissatisfied with the discipline's emphasis on self-interest and individualism and by the asocial nature of much economic theory--have sought to englarge the scope of economics by looking at ethical questions. In Ethics and Economic Affairs a group of interdisciplinary scholars provide contributions on international interest in this aspect of socio-economics and economic-psychology. The book (...)
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  4. The ibT Degrees of Computably Enumerable Sets Are Not Dense.George Barmpalias & Andrew E. M. Lewis - 2006 - Annals of Pure and Applied Logic 141 (1-2):51-60.
    We show that the identity bounded Turing degrees of computably enumerable sets are not dense.
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  5.  42
    Morals, Markets and Sustainable Investments: A Qualitative Study of 'Champions'. [REVIEW]Alan Lewis & Carmen Juravle - 2010 - Journal of Business Ethics 93 (3):483 - 494.
    Sustainable investment (SI), which integrates social, environmental and ethical issues, has grown from a niche market of individual ethical investors to embrace institutional investors (e.g. pension funds) resulting in £764 billion in assets under management in the UK alone [Eurosif, 2008 : ‘European SRI Study 2008’ (Eurosif, Paris)]. Explaining this growth is complex, involving shifts in personal and collective values, reactions to corporate scandals, scientific and media pronouncements about climate change, Government initiatives, responses from financial markets and the influence of (...)
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  6.  12
    Randomness, Lowness and Degrees.George Barmpalias, Andrew E. M. Lewis & Mariya Soskova - 2008 - Journal of Symbolic Logic 73 (2):559 - 577.
    We say that A ≤LR B if every B-random number is A-random. Intuitively this means that if oracle A can identify some patterns on some real γ. In other words. B is at least as good as A for this purpose. We study the structure of the LR degrees globally and locally (i.e., restricted to the computably enumberable degrees) and their relationship with the Turing degrees. Among other results we show that whenever α in not GL₂ the LR degree of (...)
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  7.  2
    Π 1 0 Classes, L R Degrees and Turing Degrees.George Barmpalias, Andrew E. M. Lewis & Frank Stephan - 2008 - Annals of Pure and Applied Logic 156 (1):21-38.
    We say that A≤LRB if every B-random set is A-random with respect to Martin–Löf randomness. We study this relation and its interactions with Turing reducibility, classes, hyperimmunity and other recursion theoretic notions.
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  8.  12
    A C.E. Real That Cannot Be SW-Computed by Any Ω Number.George Barmpalias & Andrew E. M. Lewis - 2006 - Notre Dame Journal of Formal Logic 47 (2):197-209.
    The strong weak truth table (sw) reducibility was suggested by Downey, Hirschfeldt, and LaForte as a measure of relative randomness, alternative to the Solovay reducibility. It also occurs naturally in proofs in classical computability theory as well as in the recent work of Soare, Nabutovsky, and Weinberger on applications of computability to differential geometry. We study the sw-degrees of c.e. reals and construct a c.e. real which has no random c.e. real (i.e., Ω number) sw-above it.
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  9. Classes, LR Degrees and Turing Degrees.George Barmpalias, Andrew Lewis & Frank Stephan - 2008 - Annals of Pure and Applied Logic 156 (1):21-38.
    We say that A≤LRB if every B-random set is A-random with respect to Martin–Löf randomness. We study this relation and its interactions with Turing reducibility, classes, hyperimmunity and other recursion theoretic notions.
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  10.  64
    What Group?” Studying Whites and Whiteness in the Era of “Color-Blindness.Amanda E. Lewis - 2004 - Sociological Theory 22 (4):623-646.
    In this article I argue that despite the claims of some, all whites in racialized societies "have race." But because of the current context of race in our society, I argue that scholars of "whiteness" face several difficult theoretical and methodological challenges. First is the problem of how to avoid essentializing race when talking about whites as a social collective. That is, scholars must contend with the challenge of how to write about what is shared by those racialized as white (...)
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  11.  13
    Topological Aspects of the Medvedev Lattice.Andrew Em Lewis, Richard A. Shore & Andrea Sorbi - 2011 - Archive for Mathematical Logic 50 (3-4):319-340.
    We study the Medvedev degrees of mass problems with distinguished topological properties, such as denseness, closedness, or discreteness. We investigate the sublattices generated by these degrees; the prime ideal generated by the dense degrees and its complement, a prime filter; the filter generated by the nonzero closed degrees and the filter generated by the nonzero discrete degrees. We give a complete picture of the relationships of inclusion holding between these sublattices, these filters, and this ideal. We show that the sublattice (...)
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  12.  19
    The Importance of Π⁰₁ Classes in Effective Randomness.George Barmpalias, Andrew E. M. Lewis & Keng Meng Ng - 2010 - Journal of Symbolic Logic 75 (1):387-400.
    We prove a number of results in effective randomness, using methods in which $\Pi _{1}^{0}$ classes play an essential role. The results proved include the fact that every PA Turing degree is the join of two random Turing degrees, and the existence of a minimal pair of LR degrees below the LR degree of the halting problem.
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  13. The Importance of Π1 0 Classes in Effective Randomness.George Barmpalias, Andrew E. M. Lewis & Keng Meng Ng - 2010 - Journal of Symbolic Logic 75 (1):387-400.
    We prove a number of results in effective randomness, using methods in which Π⁰₁ classes play an essential role. The results proved include the fact that every PA Turing degree is the join of two random Turing degrees, and the existence of a minimal pair of LR degrees below the LR degree of the halting problem.
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  14.  25
    Morals and Markets.Alan Lewis - 1999 - Business Ethics Quarterly 9 (3):439-452.
    This paper is a report of an empirical psychological study of the relationship between the ethical and financial beliefs and desires of ethical investors. Semi-structured interviews of 20 ethical investors have been carried out by the project 10 of which have been analysed using qualitative data analysis software. All of our participants faced the problem that, while they had ethical concerns, they were not prepared to sacrifice their essential financial requirements to address them. We found four common ways of dealing (...)
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  15.  1
    Diagonally Non-Computable Functions and Bi-Immunity. Jockusch Jr & Andrew E. M. Lewis - 2013 - Journal of Symbolic Logic 78 (3):977-988.
  16.  52
    Infinite Time Turing Machines.Joel David Hamkins & Andy Lewis - 2000 - Journal of Symbolic Logic 65 (2):567-604.
    Infinite time Turing machines extend the operation of ordinary Turing machines into transfinite ordinal time. By doing so, they provide a natural model of infinitary computability, a theoretical setting for the analysis of the power and limitations of supertask algorithms.
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  17.  40
    Die Französische Thronfolge : Der Ausschluss Der Frauen Und Das Salische Gesetz. [REVIEW]Andrew Lewis - 1978 - Speculum 53 (3):626-628.
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  18.  1
    Randomness and the Linear Degrees of Computability.Andrew Em Lewis & George Barmpalias - 2007 - Annals of Pure and Applied Logic 145 (3):252-257.
    We show that there exists a real α such that, for all reals β, if α is linear reducible to β then β≤Tα. In fact, every random real satisfies this quasi-maximality property. As a corollary we may conclude that there exists no ℓ-complete Δ2 real. Upon realizing that quasi-maximality does not characterize the random reals–there exist reals which are not random but which are of quasi-maximal ℓ-degree–it is then natural to ask whether maximality could provide such a characterization. Such hopes, (...)
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  19.  80
    Π01-Classes and Rado's Selection Principle.C. G. Jockusch, A. Lewis & J. B. Remmel - 1991 - Journal of Symbolic Logic 56 (2):684 - 693.
  20.  15
    Post's Problem for Supertasks has Both Positive and Negative Solutions.Joel David Hamkins & Andrew Lewis - 2002 - Archive for Mathematical Logic 41 (6):507-523.
    The infinite time Turing machine analogue of Post's problem, the question whether there are semi-decidable supertask degrees between 0 and the supertask jump 0∇, has in a sense both positive and negative solutions. Namely, in the context of the reals there are no degrees between 0 and 0∇, but in the context of sets of reals, there are; indeed, there are incomparable semi-decidable supertask degrees. Both arguments employ a kind of transfinite-injury construction which generalizes canonically to oracles.
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  21.  1
    Morals, Markets and Sustainable Investments: A Qualitative Study of ‘Champions’.Alan Lewis & Carmen Juravle - 2010 - Journal of Business Ethics 93 (3):483-494.
  22.  2
    Identifying Impediments to SRI in Europe: A Review of the Practitioner and Academic Literature. [REVIEW]Carmen Juravle & Alan Lewis - 2008 - Business Ethics: A European Review 17 (3):285-310.
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  23.  14
    Die französische Thronfolge : Der Ausschluss der Frauen und das Salische Gesetz. Helmut Scheidgen.Andrew W. Lewis - 1978 - Speculum 53 (3):626-628.
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  24.  10
    Properly Σ2 Minimal Degrees and 0″ Complementation.S. Barry Cooper, Andrew E. M. Lewis & Yue Yang - 2005 - Mathematical Logic Quarterly 51 (3):274-276.
    We show that there exists a properly Σ2 minimal degree b, and moreover that b can be chosen to join with 0′ to 0″ – so that b is a 0″ complement for every degree a such that 0′ ≤ a < 0″.
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  25.  21
    Good Money, Bad Money: The Case of Socially Responsible Investment in UK.Alan Lewis - 2001 - World Futures 56 (4):399-408.
    (2001). Good money, bad money: The case of socially responsible investment in UK. World Futures: Vol. 56, Values, Ethics and Econmics, Part II, pp. 399-408.
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  26.  60
    John Austin, The Province of Jurisprudence Determined, Ed. W. E. Rumble, Cambridge, Cambridge University Press, 1995, Pp. Xxxix + 293. [REVIEW]A. D. E. Lewis - 1997 - Utilitas 9 (2):267.
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  27.  3
    H. Grassmann's 1844Ausdehnungslehreand Schleiermacher'sDialektik.Albert C. Lewis - 1977 - Annals of Science 34 (2):103-162.
    Hermann Grassmann's ideas on the nature and foundations of mathematics were published as an integral part of his mathematical treatise, the Ausdehnungslehre, in 1844. In spite of its notoriously obscure style we can better understand the work if we view it as an expression of the dialectical philosophy of his mentor, the theologian F. Schleiermacher. The relation to Schleiermacher is presented here through an analysis of the principal ideas of the Ausdehnungslehre.
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  28.  29
    The Http://Ars. Els-Cdn. Com/Content/Image/Http://Origin-Ars. Els-Cdn. Com/Content/Image/1-S2. 0-S0168007205001429-Si1. Gif"/> Degrees of Computably Enumerable Sets Are Not Dense. [REVIEW]George Barmpalias & Andrew Em Lewis - 2006 - Annals of Pure and Applied Logic 141 (1):51-60.
  29.  1
    "Properly Sigma~2 Minimal Degrees and 0" Complementation.S. B. Cooper & Andrew E. M. Lewis - 2005 - Mathematical Logic Quarterly 51 (3):274.
    We show that there exists a properly Σ2 minimal degree b, and moreover that b can be chosen to join with 0′ to 0″ – so that b is a 0″ complement for every degree a such that 0′ ≤ a < 0″.
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  30.  1
    Shouldn't Dead Be Dead?: The Search for a Uniform Definition of Death.Ariane Lewis, Katherine Cahn-Fuller & Arthur Caplan - 2017 - Journal of Law, Medicine and Ethics 45 (1):112-128.
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  31. $\Pi^0_1$-Classes And Rado's Selection Principle.C. G. Jockusch, A. Lewis & J. B. Remmel - 1991 - Journal of Symbolic Logic 56 (2):684-693.
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  32.  15
    Fertility and Mental Illness.Aubrey Lewis - 1958 - The Eugenics Review 50 (2):91.
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  33. The Collected Papers of Bertrand Russell, Volume 4: Foundations of Logic, 1903-05.Alasdair Urquhart & Albert C. Lewis (eds.) - 1994 - Routledge.
    First published in 1994. Routledge is an imprint of Taylor & Francis, an informa company.
     
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  34.  47
    Wittgenstein and Rule-Scepticism.A. Lewis - 1988 - Philosophical Quarterly 38 (July):280-304.
  35.  27
    The Metaphysical Status of Civilized Society.Austin Lewis - 1991 - Process Studies 20 (1):10-22.
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  36.  34
    K. J. M. Smith, James Fitzjames Stephen, Portrait of a Victorian Rationalist, Cambridge, Cambridge University Press, 1988, Pp. 338. [REVIEW]Andrew Lewis - 1990 - Utilitas 2 (1):159.
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  37.  10
    German Eugenic Legislation: An Examination of Fact and Theory.Aubrey Lewis - 1934 - The Eugenics Review 26 (3):183.
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  38.  31
    The Background to Bentham on Evidence.A. D. E. Lewis - 1990 - Utilitas 2 (2):195.
    The path of those who would approach the study of Bentham's writings on Evidence has been considerably smoothed by the recent publication of William Twining's work on the evidence theories of Bentham and Wigmore. The material on evidence is now being tackled by the Bentham Project. It presents no easy task. The central core, The Rationale of Judicial Evidence, edited and published by John Stuart Mill in 1827, exists only in the printed version, the MSS from which Mill worked having (...)
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  39.  14
    The Minimal Complementation Property Above 0′.Andrew E. M. Lewis - 2005 - Mathematical Logic Quarterly 51 (5):470-492.
    Let us say that any degree d > 0satisfies the minimal complementation property if for every degree 0 < a < d there exists a minimal degree b < d such that a ∨ b = d . We show that every degree d ≥ 0′ satisfies MCP.
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  40.  4
    A Predictive Coding Perspective on Beta Oscillations During Sentence-Level Language Comprehension.Ashley G. Lewis, Jan-Mathijs Schoffelen, Herbert Schriefers & Marcel Bastiaansen - 2016 - Frontiers in Human Neuroscience 10.
  41. Social and Ethical Investing.Alan Lewis & Paul Webley - 1994 - In Alan Lewis & Karl Erik Wärneryd (eds.), Ethics and Economic Affairs. Routledge. pp. 171--82.
     
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  42. The Longstanding Interest in Business Ethics.Karl-Erik Wärneryd & Alan Lewis - 1994 - In Alan Lewis & Karl Erik Wärneryd (eds.), Ethics and Economic Affairs. Routledge. pp. 1--14.
     
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  43.  8
    Roman Law of Letting and Hiring. P.J. Du Plessis Letting and Hiring in Roman Legal Thought: 27bce–284ce. Pp. XVI + 213. Leiden and Boston: Brill, 2012. Cased, €101, Us$140. Isbn: 978-90-04-21959-5. [REVIEW]Andrew Lewis - 2015 - The Classical Review 65 (1):214-216.
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  44.  12
    Presentation of the Memoirs of President Schreber in French Translation.Jacques Lacan & Andrew J. Lewis - 1996 - Analysis 7:1.
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  45.  12
    Empty Intervals in the Enumeration Degrees.Thomas F. Kent, Andrew Em Lewis & Andrea Sorbi - 2012 - Annals of Pure and Applied Logic 163 (5):567-574.
  46.  11
    Ring of Gyges.Ava Agopsowicz, Yura Campbell, Fiona Dark, Raven Landwehr, Amelia Lewis & Helen Liska - 2013 - Questions 13:12-13.
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  47.  8
    Forest Rights and the Celebration of May: Two Documents From the French Vexin, 1311-1318.Andrew W. Lewis - 1991 - Mediaeval Studies 53 (1):259-277.
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  48.  23
    The Unity of Logic, Pedagogy and Foundations in Grassmann's Mathematical Work.Albert C. Lewis - 2004 - History and Philosophy of Logic 25 (1):15-36.
    Hermann Grassmann's Ausdehnungslehre of 1844 and his Lehrbuch der Arithmetik of 1861 are landmark works in mathematics; the former not only developed new mathematical fields but also both contributed to the setting of modern standards of rigor. Their very modernity, however, may obscure features of Grassmann's view of the foundations of mathematics that were not adopted since. Grassmann gave a key role to the learning of mathematics that affected his method of presentation, including his emphasis on making initial assumptions explicit. (...)
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  49.  4
    Before European Hegemony: The World System, A.D. 1250-1350.Janet L. Abu-Lughod.Archibald R. Lewis - 1991 - Speculum 66 (3):605-606.
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  50.  10
    Psychological Syndromes in Central Nervous Disease: A Genetic Interpretation.Aubrey J. Lewis - 1935 - The Eugenics Review 27 (3):213.
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