We apply the distinction between parameter independence and outcome independence to the linear and nonlinear models of a recent nonrelativistic theory of continuous state vector reduction. We show that in the nonlinear model there is a set of realizations of the stochastic process that drives the state vector reduction for which parameter independence is violated for parallel spin components in the EPR-Bohm setup. Such a set has an appreciable probability of occurrence (≈ 1/2). On the other hand, the linear model (...) exhibits only extremely small parameter dependence effects. We investigate some specific features of the models and we recall that, as has been pointed out recently, if one wants to be able to speak of definite outcomes (or equivalently of possessed objective elements of reality) at finite times, one has to slightly change the criteria for their attribution to physical systems. The concluding section is devoted to a detailed discussion of the difficulties which one meets when one tries to take, as a starting point for the formulation of a relativistic theory, a nonrelativistic scheme which exhibits parameter dependence. Here we derive a theorem which identifies the precise sense in which the occurrence of parameter dependence forbids a genuinely relativistic generalization. Finally we show how the appreciable parameter dependence of the nonlinear model gives rise to problems with relativity, while the extremely weak parameter dependence of the linear model does not give rise to any difficulty, provided one takes into account the appropriate criteria for the attribution of definite outcomes. (shrink)
The US neutrino community gathered at the Workshop on the Intermediate Neutrino Program at Brookhaven National Laboratory February 4-6, 2015 to explore opportunities in neutrino physics over the next five to ten years. Scientists from particle, astroparticle and nuclear physics participated in the workshop. The workshop examined promising opportunities for neutrino physics in the intermediate term, including possible new small to mid-scale experiments, US contributions to large experiments, upgrades to existing experiments, R&D plans and theory. The workshop was organized into (...) two sets of parallel working group sessions, divided by physics topics and technology. Physics working groups covered topics on Sterile Neutrinos, Neutrino Mixing, Neutrino Interactions, Neutrino Properties and Astrophysical Neutrinos. Technology sessions were organized into Theory, Short-Baseline Accelerator Neutrinos, Reactor Neutrinos, Detector R&D and Source, Cyclotron and Meson Decay at Rest sessions.This report summarizes discussion and conclusions from the workshop. (shrink)
In this major study, Professor Kitching builds on recent scholarship on Marx and Wittgenstein to provide an incisive, readable account and critique of the whole of Marx's work. He presents the philosophical, economic, and political Marx as one thinker, and argues that the key to understanding Marx is his commitment to a 'philosophy of praxis'. This sees thought as just part of that purposive activity (or praxis) which distinguishes human beings from other creatures. This is the first book to analyse (...) all of Marx's thought from a Wittgenstein perspective; in doing so, it clarifies and deepens our understanding of Marx. (shrink)
G. N. A. Vesey; X—Being and Feeling, Proceedings of the Aristotelian Society, Volume 69, Issue 1, 1 June 1969, Pages 133–148, https://doi.org/10.1093/aristoteli.
In the late 1810s and 1820s the Edinburgh phrenologists were largely concerned with trying to establish phrenology as the true science of mind. They challenged the accepted theories about the nature of mind and the brain; in turn, phrenology was attacked by the proponents of Scottish common-sense philosophy and by some medical men. The ensuing debate, which is discussed as an example of conflict between incommensurable world-views, involved a wide range of contentious theological, philosophical, scientific and methodological issues.
G. N. A. Vesey; XI—Berkeley and the Man Born Blind, Proceedings of the Aristotelian Society, Volume 61, Issue 1, 1 June 1961, Pages 189–206, https://doi.org/10.
This volume offers to the English-speaking world a collection of important works by the eminent twentieth century logician, Jan Lukasiewicz, many of which are here translated into English for the first time. This edition differs significantly from the Polish edition which appeared in 1961—containing ten logic papers not appearing there and omitting articles primarily of interest to the Polish reader. In addition to writing in Polish, Lukasiewicz also published works in French, English, and notably in German, and sometimes translated his (...) own works from one language to another. One of the most valuable works on the history of logic is Lukasiewicz’ paper, "On the History of the Logic of Propositions". Lukasiewicz points out the difference between the two basic areas of formal logic, the logic of propositions and the logic of terms, undifferentiated before the development of modern mathematical logic. The understanding of this distinction leads Lukasiewicz to trace the history of propositional logic back to its original development by the Stoics, its further development by the medieval Scholastics, and its axiomatization by Gottlob Frege. The status of mathematical logic is discussed in various works. The most basic system is propositional logic, upon which depend the other logical disciplines and also mathematics. Mathematical logic, also called logistic, is independent of philosophy and espouses no philosophical viewpoint. Early in his career, Lukasiewicz refers to mathematical logic as the logic of algebra and uses mathematical symbolism to represent logical propositions. Later he introduces what we now call "Polish notation," in particular, "Cpq" for "if p, then q" and "Np" for "it is not the case that p" for the primitive functions, eliminating the need for punctuation. He adopts the symbols Π and Σ for quantification from Charles S. Peirce, and also brings to light the almost unknown fact that it was Peirce who invented the matrix method in 1885. The paper, "Investigations into the Sentential Calculus", written by Lukasiewicz and Tarski embodies the results of a decade of research on the sentential calculus initiated by Lukasiewicz at the University of Warsaw systematically compiling the contributions of five logicians: Lindenbaum, Sobocinski, Wajsberg, Tarski, and Lukasiewicz. The approach is metalogical and depends heavily upon set theoretic concepts; it covers both the matrix and axiomatic methods. One of the problems that preoccupied Lukasiewicz was that of determinism, which led to his development of three-valued logic. A proposition such as "I shall be in Warsaw at noon on 21 December of next year" is neither true nor false; a third truth value is needed, one which Lukasiewicz calls "the possible." Another area to which Lukasiewicz contributed is modal logic, proving that modal logic cannot be two-valued. Lukasiewicz’ analysis and axiomatization of Aristotle’s syllogistic is not included in the present volume since an English edition by Lukasiewicz on this topic is available. We have here briefly touched upon a few of Lukasiewicz’ numerous achievements in logic; the best means of appreciating them is to read his works.—T. G. N. (shrink)
While many aspects of Shapin's historical thesis are accepted, this paper raises objections to specific parts of his historical account, and also to the historiographical assumptions underlying his sociological programme. In particular, Shapin's claim to have explained the Edinburgh phrenology debate in social terms is analysed and rejected.
This work is an introductory textbook for deductive logic being primarily concerned with truth-functional logic, but also containing an introduction to syllogisms with the application of Venn diagrams, an introduction to quantification theory, and a brief discussion of axiom systems. Harrison employs six logical operators in his truth-functional calculus, including both inclusive and exclusive disjunction. The six operators are initially defined by truth tables, but in the natural deduction presentation negation and conjunction are taken as primitive and the other connectives (...) are defined in terms of these two. The conditional and indirect methods of proof are included with the approach being essentially the same as that given in Copi’s Symbolic Logic. Categorical statements and syllogisms are analyzed from both hypothetical and existential viewpoints. The treatment of quantification theory includes two-place predicates and employs the four standard rules for generalization and instantiation. The book contains an abundance of explanations, examples, and exercises. Selected answers, usually for the odd numbered problems, are given in an appendix.—T. G. N. (shrink)
In the competitive and globalized scenario, organizations are interested in enhancing employee–organization relationship. Perceived organizational support is one way to understand employee–organization relationship. This study examines the impact of various work-related experiences of healthcare professionals on perceived organizational support. The work experience comprises employees’ experience with i) formal support through human resource practices and facility in the workplace and ii) informal social support from supervisors and coworkers in the workplace. A survey is conducted among healthcare professionals including medical officers and (...) staff nurses working in primary health centers in the state of Tamil Nadu. The results of the study proved the positive impact of human resource practices (such as pay and rewards, and job autonomy), social support (such as supervisor support and coworker support), and health facility on perceived organizational support. The career growth opportunities showed a negative impact on perceived organizational support. The supervisor support and coworker support showed higher influence on perceived organizational support than human resource practices and health facility. The study has contributed to the literature on human resource practices and perceived organizational support. The results of the study have provided inputs on how to enhance perceived organizational support of healthcare professionals and about healthcare professionals’ perception of human resource practices that could be incorporated while making policies related to public health. (shrink)
This work is, in large part, a series of refutations; it is also the author's Ph.D. thesis. First to be refuted is Russell's vicious circle principle as a general remedy for the solution of the paradoxes. The author rejects the classification of paradoxes into syntactic and semantic, since in his view there are no purely syntactic paradoxes. The distinction in logic between the uninterpreted syntactical aspect of a system and the system when given a determinate interpretation is held to be (...) untenable. Tarski's distinction between object-language and meta-language and his concept of semantically closed language are considered irrelevant for the solution of the Liar paradox. The author claims that the usual versions of the Liar paradox have the same structure as the Barber paradox, viz., [S ↔ ~S]. The author solves the Liar paradox by pointing out that it does not have a proper reference. Cantor's diagonal argument for the indenumerability [[sic]] of the real numbers is labeled as unsatisfactory. Since the diagonal number is dependent upon the real numbers in the constructed list, the author claims that this makes the diagonal number to be of a different nature and status than the real numbers in the list; thus we have what the author calls the dependence fallacy. The author also refuses to accept Cantor's nested interval proof of the indenumerability [[sic]] of the real numbers. Within the proof, two infinite sequences are constructed, each of which converges to a limit. Because the proof does not give a "definite rule of convergence," the author is not satisfied that the infinite sequences converge. Also rejected is Cantor's theorem. Other paradoxes analyzed are the Berry, Richard, heterological, "Richardian", Russell, Cantor, and Burali-Forti paradoxes.--T. G. N. (shrink)
This book is an introductory logic text of moderate difficulty which contains added topics not usually found in an introductory book. The book has two parts--basic logic and advanced logic. The basic logic contains propositional logic through conditional proofs, syllogistic logic, the fundamentals of set theory and their application to both syllogistic and non-syllogistic inferences along with the use of Venn and Carroll diagrams, and concludes with predicate logic using the rules for Universal Instantiation, Existential Instantiation, Universal Generalization, and Existential (...) Generalization. The part on advanced logic begins by extending the predicate logic to identity, descriptions, and relations. A presentation of modal logic includes C. I. Lewis' modal systems S3, S4, and S5; modal logic with quantification; epistemic, doxastic, and deontic modalities; and mixed modalities. A chapter on the logic of ordinary language considers analytic statements, empty expressions, and equivalence and implication in ordinary language. The author also discusses "tools of analysis" such as definition, the theory of meaning, probability theory, and scientific inference. Each chapter concludes with a section entitled "Philosophical Applications" or "Philosophical Difficulties." One of these sections contains the author's version of Hartshorne's modal proof of Anselm's ontological argument. Answers are provided for the even-numbered exercises.--T. G. N. (shrink)
Improving Your Reasoning is an expanded version of Chapter 10 of the author's larger work, Principles of Logic. The first chapter of Improving Your Reasoning is a general survey of arguments--deductive and inductive, valid and invalid, syllogistic and nonsyllogistic--and serves as an introduction for the rest of the book which deals only with fallacies. The types of fallacies are divided by chapter into the following principal categories: begging the question, pseudoauthority, irrelevant appeals, confusion, faulty classification, political fallacies, and inductive fallacies. (...) Each of these categories is further divided into a comprehensive range of sub-categories, with each sub-category presented in a short and easily understandable section. For example, inductive fallacies are divided into hasty generalization, accident, false cause, gambler's, faulty analogy, central tendency, misleading percentages, and misleading totals. Problems and answers are provided. This book may be used as a supplementary text for introductory logic.--T. G. N. (shrink)
Mantık tarihi ondokuzuncu yüzyılın ikinci yarısından bu yana matematiğin temelleriyle ilgili soruların yanıtlanmasına sahne olmuştur. Bugün tarihsel gelişiminin bir sonucu olarak mantık bilgisayar kullanımı aracılığıyla yaşam ile etkileşmektedir. Bu yazıda söz konusu etkileşimin geleceğine ilişkin bilgisel ufukların geçmişte hangi soruları yanıtlamak amacıyla belirlendiği çok kısaca özetlenmektedir.
This paperback is a programed text designed for teaching introductory logic, either in conjunction with a standard text based upon traditional logic or as a do-it-yourself supplement for students taking courses stressing symbolic logic. The student learns logical theory by answering a variety of short answer, objective type exercises. The correct answer is given directly below each question or exercise, and the student is required to cover the answer while working the exercise; the purpose of this immediate access to the (...) answer is to enable the student to determine quickly whether or not he comprehends the material. The content of the book concentrates primarily upon categorical statements, presenting both the existential and hypothetical interpretations of the square of opposition, but unfortunately continues to promulgate the historically inaccurate terminology of "Aristotelian" and "Boolean." [Categorical statements were first expressed as existential statements by Franz Brentano in 1874.] Categorical statements not in standard form are standardized, e.g., "No roaches feel despair" is standardized by being rewritten as "No roaches are entities who feel despair." In addition to considering the logical relations of opposition with respect to A, E, I, O statements, these same relations are extended to non-categorical statements, e.g., "George Washington did not die in Europe" and "George Washington did not die in Asia" are subcontraries, while "There is philosophical activity on Venus" and "There is philosophical activity in the universe" are alterns. Determining validity of syllogisms is based upon the distribution of terms, and also by the use of Venn diagrams. The traditional figures and moods of the syllogism are ignored, as is the distinction between major and minor terms, with these latter two being lumped together as end terms. Immediate inferences and non-syllogistic arguments are treated by Venn diagrams. One-, two-, three- and four-term Venn diagrams are utilized throughout a substantial part of the book.--T. G. N. (shrink)
‘Let us not forget this: when “I raise my arm”;, my arm goes up. And the problem arises: what is left over if I subtract the fact that my arm goes up from that fact that I raise my arm?’.
Berkeley's "new theory of vision" and, In particular, His sensationalist solution to the problem of judging distance and magnitude were discussed by many eighteenth-Century authors who faced a variety of problem situations. More specifically, Berkeley's theory fed into the debate over whether the phenomena of vision were susceptible to mathematical analysis or were experientially determined. In this paper a variety of responses to berkeley are examined, Concluding with thomas reid's attempt to distinguish physical optics (which can be analyzed geometrically) from (...) the psychology of vision (in which experience plays a major role). (shrink)