Prostate cancer has become a major health concern of male Americans. It is now the most common nondermatologic cancer and the second leading cause of cancer death among men. The incidence of detected prostate cancer rose rapidly in recent years, partly because of prostate-specific antigen testing; it is only now tapering off. Screening for prostate cancer with PSA is widespread in the United States, yet controversial: the American Urological Association recommends PSA screening and the American Cancer Society recommends offering screening; (...) however, the United States Preventive Services Task Force and the American College of Physicians recommend against routine screening; and the American Academy of Family Physicians believes that the decision to screen should be left to the patient. (shrink)

Prostate cancer has become a major health concern of male Americans. It is now the most common nondermatologic cancer and the second leading cause of cancer death among men. The incidence of detected prostate cancer rose rapidly in recent years, partly because of prostate-specific antigen testing; it is only now tapering off. Screening for prostate cancer with PSA is widespread in the United States, yet controversial: the American Urological Association recommends PSA screening and the American Cancer Society recommends offering screening; (...) however, the United States Preventive Services Task Force and the American College of Physicians recommend against routine screening; and the American Academy of Family Physicians believes that the decision to screen should be left to the patient. (shrink)

A survey of open questions in the field; definitions of “emergence” and “media” are given, as well as their relationship to big data. Rationale for the volume is given, and c. 100 word descriptions and analyses of each essay in the volume are put forward. The volume is differentiated from other books and approaches, and open problems and questions set forth.

This book presents a wide range of thinking about how the discipline of philosophy has engaged and might in the future engage with the profound questions raised by rapidly shifting methods of communication. Although social media and telecommunications have dramatically altered the daily lives of people, and no technology has enjoyed the same rapid success as that of the mobile phone, the philosophical underpinnings and consequences of these changes have been insufficiently explored. Clustered in six sections, this book addresses major (...) questions of interest to the thoughtful professional. Section I considers ontology: How should we consider emerging media and what are the categories through which we can organize and understand this new realm of social reality. Section II investigates human nature and its relationship to the social transformations that are occurring through new media. It also considers and compares historical methods of communication such as paper. In Section III, questions of time, narrative voice, and emotions are assessed in relation to emerging media. General issues concerning emergence of meaning, philosophy of mind, artificial intelligence, and agency are the focus of Section IV. Symbols and speech acts—including the philosophical ramifications of the communication process itself as viewed through emerging technologies—represent the key concerns of Section V. Section VI probes various interpersonal, institutional, and political/power dimensions stemming from new systems of communication. A coda points forward to outstanding open questions, calling for further research to be done. The book represents a seminal contribution assembling original thoughts from both leading and rising scholars of the field. (shrink)

A revisiting and distillation of themes, questions, and results of the book’s chapters, with a description of possible alternative pathways through the volume. Open problems and suggestions for further research are also offered, laying out a vision of the field as a whole, and calling for future research, especially into topics relating to qualitative vs. quantitative uses of big data, the concept of “media”, issues in the history of philosophy and digital humanities, normative questions concerning social justice, race, gender, and (...) disability, religion, human transformation, virtual and non-virtual reality, collective and individual experience, self-consciousness, personal identity, human enhancement through digital means, privacy, speech-act theory, documentality, history, and the intersection of research into psychological and social cognition. (shrink)

A survey of current evidence available concerning Wittgenstein's attitude toward, and knowledge of, Gödel's first incompleteness theorem, including his discussions with Turing, Watson and others in 1937–1939, and later testimony of Goodstein and Kreisel; 2) Discussion of the philosophical and historical importance of Wittgenstein's attitude toward Gödel's and other theorems in mathematical logic, contrasting this attitude with that of, e.g., Penrose; 3) Replies to an instructive criticism of my 1995 paper by Mark Steiner which assesses the importance of Tarski's semantical (...) work, both for our understanding of Wittgenstein's remarks on Gödel, and our understanding of Gödel's theorem itself. (shrink)

1) A survey of current evidence available concerning Wittgenstein's attitude toward, and knowledge of, Gödel's first incompleteness theorem, including his discussions with Turing, Watson and others in 1937–1939, and later testimony of Goodstein and Kreisel; 2) Discussion of the philosophical and historical importance of Wittgenstein's attitude toward Gödel's and other theorems in mathematical logic, contrasting this attitude with that of, e.g. , Penrose; 3) Replies to an instructive criticism of my 1995 paper by Mark Steiner which assesses the importance of (...) Tarski's semantical work, both for our understanding of Wittgenstein's remarks on Gödel, and our understanding of Gödel's theorem itself. (shrink)

A German translation with 2017 postscript of Floyd, Juliet. 2012. "Wittgenstein's Diagonal Argument: A Variation on Cantor and Turing." In Epistemology versus Ontology, Logic, Epistemology: Essays in Honor of Per Martin-Löf, edited by P. Dybjer, S. Lindström, E. Palmgren and G. Sundholm, 25-44. Dordrecht: Springer Science+Business Media. An analysis of philosophical aspects of Turing's diagonal argument in his (136) "On computable numbers, with an application to the Entscheidungsproblem" in relation to Wittgenstein's writings on Turing and Cantor.

O presente artigo procede, em primeiro lugar, a um exame das evidências disponíveis referentes à atitude de Wittgenstein em relação ao, bem como conhecimento do, primeiro teorema da incompletude de Gödel, incluindo as suas discussões com Turing, Watson e outros em 1937-1939, e o testemunho posterior de Goodstein e Kreisel Em segundo lugar, o artigo discute a importância filosófica e histórica da atitude de Wittgenstein em relação ao teorema de Gödel e outros teoremas da lógica matemática, contrastando esta atitude com (...) a de, por exemplo, Penrose. Finalmente, a autora responde também a criticas instrutivas feitas por Mark Steiner a um artigo seu publicado em 1995, as quais estabelecem a importância do trabalho semântico de Tarski, quer para o nosso entendimento das observacoes de Wittgenstein. /// This paper presents, first, a survey of current evidence available concerning Wittgenstein's attitude toward, and knowledge of, Gödel's first incompleteness theorem, including his discussions with Turing, Watson and others in 1937-1939, and later testimony of Goodstein and Kreisel Secondly, the article discusses the philosophical and historical importance of Wittgenstein's attitude toward Gödal's and other theorems in mathematical logic, contrasting this attitude with that of, e. g., Penrose. Finally, the author also replies to an instructive criticism of her 1995 paper by Mark Steiner which assesses the importance ofTarskih semantical work, both for our understanding of Wittgenstein's remarks on Godel, and our understanding ofGodeVs theorem itself. (shrink)

The additional information within a Hamilton–Jacobi representation of quantum mechanics is extra, in general, to the Schrödinger representation. This additional information specifies the microstate of \ that is incorporated into the quantum reduced action, W. Non-physical solutions of the quantum stationary Hamilton–Jacobi equation for energies that are not Hamiltonian eigenvalues are examined to establish Lipschitz continuity of the quantum reduced action and conjugate momentum. Milne quantization renders the eigenvalue J. Eigenvalues J and E mutually imply each other. Jacobi’s theorem generates (...) a microstate-dependent time parametrization \ even where energy, E, and action variable, J, are quantized eigenvalues. Substantiating examples are examined in a Hamilton–Jacobi representation including the linear harmonic oscillator numerically and the square well in closed form. Two byproducts are developed. First, the monotonic behavior of W is shown to ease numerical and analytic computations. Second, a Hamilton–Jacobi representation, quantum trajectories, is shown to develop the standard energy quantization formulas of wave mechanics. (shrink)

This Tractatus’s engagement with the issue of the nature of truth and falsity emerged from engagement with Russell. This engagement reverberated through the Vienna Circle and in particular affected Gödel. The Tractatus’s “elementary sentences” must be seen against the backdrop of Russell’s “multiple relation theory of judgment”, his theory of truth in Principia Mathematica, which Wittgenstein discussed at length with Russell in 1912–1913 and Gödel studied in 1929–1932. Russell’s approach was directed against both Idealism and William James’s pragmatist view of (...) truth. It aimed at a direct treatment of the distinction between truth and falsity in terms of particular, logically simple beliefs (judgments lacking in truth-functional and quantification complexity). Schlick rejected Russell’s view in favor of his more holistic correspondence theory, one which, however, tipped easily into pragmatism, conventionalism and verificationism. The Tractatus begins, rather, with Russell’s bottom-up approach truth, and then draws in two further ideas: (1) The need for a medium of representation and (2) The importance of modality (possibility and necessity) to logic. This approach was developed further in his later work, i.e., Philosophical Investigations.Aware of the Tractatus and Russell’s engagement with Wittgenstein on truth, Gödel continued to engage with Russell’s multiple relation theory of truth and Principia philosophically up through 1944. The parallel yet distinct engagements of Gödel and Wittgenstein with Russell on truth (and Vienna positivism) show that each regarded Russell’s view as requiring amendment. However, their philosophical differences with one another are not merely to be understood in terms of the dichotomy between conventionalism (the usual view of Wittgenstein) and Platonism (the usual view of Gödel). They must rather be seen to emerge from the original approach to truth we find in Russell. (shrink)

BOOK REVIEWS 475 mean the traditional notion of arche, i.e., a present homogeneous origin/kingdom" . The significance of this Ursprung is that of the event of world pretheoretically yielding itself itself and things . Van Buren's basic contention is that Heidegger's demythologized question about being in the early Freiburg period is overtaken by remythologizing tendencies, from the existential-transcendental configuration of the question in Being and Time to various mythopoetic reconfigurations. The latter developments are at odds with Heidegger's earlier Freiburg elaboration (...) of the concrete historicity and the personal, lived, anarchic character of the question of being. One intriguing and far-reaching implication of van Buren's interpretation is that Being and Time amounts to an Abweg, a mistaken by-way, from which Heidegger, despite the Kehre, never fully recovers. The choice of the meta- phor of an Abwegis revealing and, in this connection, perhaps not entirely felicitous. For, if Being and Time is truly "off track," then there is presumably a right way and it must be possible to demonstrate both that right way and the nature of Being and Time's deviation from it. The terms of this crucial argument have been expertly set by van Buren in his monumental.. (shrink)

CHRISTOPHER PINCOCK, Department of Philosophy, Purdue University, West Lafayette, IN 47907, USA The volume under review contains fifteen new essays by some of the most influential scholars of the history of early analytic philosophy. The focus of the essays is, as the editor says in the preface, ‘the work of Gottlob Frege and of Ludwig Wittgenstein (mostly the early Wittgenstein), as well as various ties between them’ (p. x). The essays are divided into four parts. The first part, ‘Background and (...) General Themes’, contains essays by E. Reck, G. Gabriel and S. Gerrard. The second part on Frege has contributions by H. Sluga, S. Shieh, M. Ruffino and J. Weiner. Essays on the relation between Frege and the early Wittgenstein by W. Goldfarb, D. Macbeth, T. Ricketts and C. Diamond comprise the third part. The volume concludes with essays by I. Proops, J. Floyd, M. Ostrow and J. Conant on the early Wittgenstein. This volume is an important contribution to our understanding of Frege and the early Wittgenstein and should prove a help to specialists in the history of analytic philosophy. I have chosen to briefly discuss seven of these essays with an emphasis on topics in the history and philosophy of logic. Reck’s opening essay, ‘Wittgenstein’s “Great Debt” to Frege: Biographical Traces and Philosophical Themes’, gives a helpful overview of our current knowledge of the contacts between Frege and Wittgenstein. Reck argues quite persuasively for the conclusion that Wittgenstein engaged with Frege’s work throughout his philosophical career. The depth of this engagement is in-. (shrink)

There is not much in this collection of 27 technical papers, heretofore available only in journals, which would be of interest to the philosopher. With an inclination towards an empirical ethics, however, one might appreciate Thurstone's discussion of the measurement of social values.--J. E. M.

The Covid‐19 pandemic has highlighted connections between health and social structural phenomena that have long been recognized in bioethics but have never really been front and center—not just access to health care, but fundamental conditions of living that affect public health, from income inequality to political and environmental conditions. In March, as the pandemic spread globally, the field's traditional focus on health care and health policy, medical research, and biotechnology no longer seemed enough. The adequacy of bioethics seemed even less (...) certain after the killing of George Floyd, whose homicide showed in an especially agonizing way how social institutions are in effect (and often intentionally) designed to make the lives of black people go poorly and end early. Whether bioethics needs to be expanded, redirected, and even reconceived is at the heart of the May‐June 2020 issue of the Hastings Center Report, which is devoted to questions provoked by and lessons emerging during this pandemic. (shrink)

Volume 17, Issue 4, September 2020, Page 470-473.

This is an abstract of our paper \A characterisation of Floyd-provable programs" submitted to Theoretical Computer Science. ! denotes the set of natural numbers. Y =d fyi : i 2 !g is the set of variable symbols. L denotes the set of classical rst order formulas of type t possibly with free variables , where t is the similarity type of arithmetic, i.e. it consists of \+; ; 0; 1" with arities \2; 2; 0; 0".

Emmanuel Levinas argued for the priority of the ethical - over the theoretical-Other, vis à vis the prevailing modern, ideatistic philosophies of totality. This essay argues that too facile a turn from epistemology to ethics, however, risks eviscerating the very role that theory - as “critical” - plays in the sustenance of the valuation of the Other. An altemative understanding of theory, the essay proposes, hinges on the negative dialectics of Adorno.

According to the traditional account Mendel's paper on pea hybrids reported a study of inheritance and its laws. Hence, Mendel came to be known as The Father of Genetics. This paper demonstrates that, in fact, Mendel's objective in his research was finding the empirical laws which describe the formation of hybrids and the development of their offspring over several generations. Having found these laws (and not the laws of inheritance that he is generally credited with) he proposed a theoretical scheme (...) involving the formation of germinal and pollen cells in hybrids and their combination in fertilization competent to explain why his laws took the form that they did. Mendel's research shows a pattern of development closely paralleling the stages of empirical investigation beginning at the level of qualitative description in common language rising through four levels of increasing abstraction and culminating in a fifth level, his simple mechanical theory. This mechanism met all the tests that a theory of this type must pass. In that respect Mendel was highly successful and this success might be the reason why he did not push his theory to a higher level, a sixth level involving the use of particulate determiners; despite this fact, Mendel was credited with having taken exactly that step. (shrink)

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Recent molecular evidence suggests that the body plans of insects and vertebrates may be dorsoventrally inverted with respect to one another. This poses a major challenge for comparative zoologists, either to explain how this came about or to offer alternative interpretations of the data. Dorsoventral inversion is most easily explained if the mouth of deuterostome metazoans (which would include vertebrates) is truly a secondary structure unrelated to the protostome mouth, located opposite to the latter on the dorsal surface of the (...) body. Two possibilities are (1) that the definitive deuterostome mouth has replaced a preexisting protostome‐type mouth, or (2) that ancestral deuterostomes lacked a protostome‐type mouth altogether, and formed a secondary dorsal mouth entirely de novo. Our current understanding of invertebrate embryogenesis and larval morphology provides at least as much support, if not more, for (2) as for (1). By implication, even if ancestral protostomes and deuterostomes shared common anteroposterior and dorsoventral patterning systems, they may still have differed significantly with respect to other aspects of body organization and been otherwise very dissimilar organisms. (shrink)