It is shown that quantum mechanics cannot be formulated as a stochastic theory involving a probability distribution function of position and momentum. This is done by showing that the most general distribution function which yields the proper quantum mechanical marginal distributions cannot consistently be used to predict the expectations of observables if phase space integration is used. Implications relating to the possibility of establishing a "hidden" variable theory of quantum mechanics are discussed.

The Wigner distribution has proven to be a useful tool in many quantum problems requiring a joint distribution of position and momentum. In the present paper we develop a joint distribution for spin components within the spirit of the Wigner distribution. This distribution provides an insight into the quantum theory of measurement. We also discuss how one may write joint distributions for two arbitrary noncommuting operators.

We show that the quantum mechanical rules for manipulating probabilities follow naturally from standard probability theory. We do this by generalizing a result of Khinchin regarding characteristic functions. From standard probability theory we obtain the methods usually associated with quantum theory; that is, the operator method, eigenvalues, the Born rule, and the fact that only the eigenvalues of the operator have nonzero probability. We discuss the general question as to why quantum mechanics seemingly necessitates different methods than standard probability theory (...) and argue that the quantum mechanical method is much richer in its ability to generate a wide variety of probability distributions which are inaccessibe by way of standard probability theory. (shrink)

Some wave functions separate into two or more distinct regions in phase space. Each region is characterized by a trajectory and a spread about that trajectory. The trajectory is the quantum mechanical current. We show that these regions correspond to parts of the wave function and that these parts are generally nonorthogonal.

The general question of defining the expectation value of an operator for a fixed value of another noncommuting observable is considered and explicit expressions are derived. Due to the noncommutivity of operators a unique definition is not possible, and we consider different possible expressions. Special cases which have previously been considered in the literature are shown to be derivable from the methods presented.

A criterion is given for characterizing quantum mechanical joint distributions that have the same covariance of position and momentum.

We show that the spread of momentum can be broken up into two terms, one that depends only on the change in amplitude and the other which depends only on the deviations of current from the average momentum. We present a method for measuring the relative contributions of each and interpret each contribution in terms of local quantities. A generalization for arbitrary operators is given. For the case of the Hamiltonian, the local value of energy is shown to yield the (...) quantum potential as defined by Bohm. (shrink)

: National bioethics commissions have struggled to develop ethically warranted methods for conducting their deliberations. The National Bioethics Advisory Commission in its report on stem cell research adopted an approach to public deliberation indebted to Rawls in that it sought common ground consistent with shared values and beliefs at the foundation of a well-ordered democracy. In contrast, although the research cloning and stem cell research reports of the President's Council on Bioethics reveal that it broached two different methods of public (...) deliberation—balancing goods and following an overarching moral principle—it adopted neither. Thereupon its prime mover, Leon Kass, influenced particularly by the approach of Leo Strauss, sought to develop a method of public deliberation guided by tradition and practical wisdom. When this failed, the Council fell back on a method that took account of shared fundamental values of a free democracy—a method remarkably akin to that employed by the National Bioethics Advisory Commission. Respect for diverse reasonable conceptions of the good in a democratic polity requires national bioethics commissions to seek and incorporate that which is valuable in opposing positions. (shrink)

In this paper, I defend what may seem a surprising view: that John Stuart Mill’s famous harm principle would, if taken to be what justifies government action, disallow the existence of corporations. My claim is not that harmful activities of currently existing corporations warrants their losing corporate status according to the harm principle. The claim, rather, is that taken strictly, the harm principle and the legal possibility of incorporation are mutually exclusive. This view may be surprising—and I do not at (...) all mean to attribute it to Mill—but if I am right, it should be obvious. It should also encourage us to think more about the nature of the markets within which business occurs. (shrink)

Even though disquotationalism is not correct as it is usually formulated, a deep insight lies behind it. Specifically, it can be argued that, modulo implicit commitment to reflection principles, all there is to the notion of truth is given by a simple, natural collection of truth-biconditionals.

In Mindblindness, Simon Baron-Cohen presents a model of the evolution and development of "mindreading." He argues that we mindread all the time, effortlessly, automatically, and mostly unconsciously. It is the natural way in which we interpret, predict, and participate in social behavior and communication. We ascribe mental states to people: states such as thoughts, desires, knowledge, and intentions. Building on many years of research, Baron-Cohen concludes that children with autism, suffer from "mindblindness" as a result of a selective (...) impairment in mindreading. For these children, the world is essentially devoid of mental things. Baron-Cohen develops a theory that draws on data from comparative psychology, from developmental, and from neuropsychology. He argues that specific neurocognitive mechanisms have evolved that allow us to mindread, to make sense of actions, to interpret gazes as meaningful, and to decode "the language of the eyes." A Bradford Book. (shrink)

Most Probably: Epistemic Modality in Old Babylonian by Nathan Wasserman is the first attempt to provide a description of the domain of epistemic modality in Old Babylonian Akkadian. This attempt is not entirely successful, for several reasons. Methodological inconsistency often impairs the author’s ability to convince the reader of his solutions. Both primary data and existing secondary literature are used only selectively, which renders the proposed description problematic. Finally, the lack of cross-referencing between the chapters evokes the feeling that the (...) different particles do not quite constitute a system. (shrink)

We use a new model of metarepresentational development to predict a cognitive deficit which could explain a crucial component of the social impairment in childhood autism. One of the manifestations of a basic metarepresentational capacity is a ‘ theory of mind ’. We have reason to believe that autistic children lack such a ‘ theory ’. If this were so, then they would be unable to impute beliefs to others and to predict their behaviour. This hypothesis was tested using Wimmer (...) and Perner’s puppet play paradigm. Normal children and those with Down’s syndrome were used as controls for a group of autistic children. Even though the mental age of the autistic children was higher than that of the controls, they alone failed to impute beliefs to others. Thus the dysfunction we have postulated and demonstrated is independent of mental retardation and specific to autism. (shrink)

We are walking too quickly down the road to physical and psychological utopia without pausing to assess the potential damage to our humanity from this brave new ...

In addition to its interest as one of Plato's most brilliant dramatic masterpieces, the Protagoras presents a vivid picture of the crisis of fifth-century Greek thought, in which traditional values and conceptions of man were subjected on the one hand to the criticism of the Sophists and on the other to the far more radical criticism of Socrates. The dialogue deals with many themes which are central to the ethical theories which Plato developed under the influence of Socrates, notably the (...) nature of human excellence, the relation of knowledge to right conduct, and the place of pleasure in the good life. This translation of the Protagoras was originally published in 1976. In this revised edition, C. C. W. Taylor has made a number of changes in the translation and commentary, and has added a new Preface and Introduction. The Bibliography has also been extended to include titles published up to 1990. (shrink)

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An examination of the controversial "theory of mind" hypothesis, which states that children with autism are unable to comprehend other people's mental states. The theory relates to the most fundamental questions of normal development as well as to autism i.

In this incisive new book one of Britain's most eminent philosophers explores the often overlooked tension between voluntariness and involuntariness in human cognition. He seeks to counter the widespread tendency for analytic epistemology to be dominated by the concept of belief. Is scientific knowledge properly conceived as being embodied, at its best, in a passive feeling of belief or in an active policy of acceptance? Should a jury's verdict declare what its members involuntarily believe or what they voluntarily accept? And (...) should statements and assertions be presumed to express what their authors believe or what they accept? Does such a distinction between belief and acceptance help to resolve the paradoxes of self-deception and akrasia? Must people be taken to believe everything entailed by what they believe, or merely to accept everything entailed by what they accept? Through a systematic examination of these problems, the author sheds new light on issues of crucial importance in contemporary epistemology, philosophy of mind, and cognitive science. (shrink)

Professor Pompa's study of Vico has done a great deal to stimulate and inform the growing interest in the English-speaking world in this remarkable figure. It remains the only work devoted almost exclusively to an interpretation of the New Science and offers a comprehensive guide to the main theoretical problems to which the text gives rise. For this second edition Professor Pompa has responded to the reactions of reviewers and critics and added a new chapter which analyses Vico's conception of (...) the principles which govern the development of law. (shrink)

Volume I provides a detailed analysis of cylindric algebras, starting with a formulation of their axioms and a development of their elementary properties, and proceeding to a deeper study of their interrelationships by means of general algebraic notions such as subalgebras, homomorphisms, direct products, free algebras, reducts and relativized algebras.

This book provides an analytical and critical appraisal of Rousseau's political thought that, while frank about its limits, also explains its enduring power.

The dominant response to this problem of the criterion focuses on the alleged requirement that we need to know a belief source is reliable in order for us to acquire knowledge by that source. Let us call this requirement, “The KR principle”.

Phenomenal Difference' grants new attention to contemporary black British art, exploring its critical and social significance through attention to embodied experience, affectivity, the senses and perception. Much before scholars in the arts and humanities took their recent 'ontological turn' toward the new materialism, black British art had begun to expose cultural criticism's overreliance on the concepts of textuality, representation, identity and difference. Illuminating that original field of aesthetics and creativity, this book shows how black British artworks themselves can become the (...) basis for an engaged and widely-reaching philosophy. (shrink)

Wilson and Kass talked about their book, The ethics of human cloning, which is about the ethical debate over human cloning.

The dominant response to this problem of the criterion focuses on the alleged requirement that we need to know a belief source is reliable in order for us to acquire knowledge by that source. Let us call this requirement, “The KR principle”.

Prior studies in business ethics highlight the role of philanthropy in shaping stakeholders’ perceptions of a firm’s underlying moral tendencies and values. Scholars argue that philanthropy-based character inferences influence whether and how stakeholders engage with firms. We extend this line of reasoning to examine the impact of philanthropy on firms’ contracting costs in the capital market. We posit that philanthropy-based character inferences reduce investors’ agency concerns, thereby reducing firms’ cost of capital. We also posit that the strength of the philanthropy–cost (...) of capital relationship is contingent on uncertainty regarding a firm’s character, visibility of a firm, and prevailing philanthropic norms. We test and find support for our arguments in a longitudinal study of philanthropy and the cost of capital. Our findings have implications for business ethics research on corporate philanthropy and corporate social performance and for organizational research on social judgment. (shrink)