The low rates of regular exercise and overall physical activity (PA) in the general population represent a significant public health challenge. Previous research suggests that, for many people, exercise leads to a negative affective response and, in turn, reduced likelihood of future exercise. The purpose of this paper is to examine this exercise–affect–adherence relationship from an evolutionary perspective. Specifically, we argue that low rates of physical exercise in the general population are a function of the evolved human tendency to avoid (...) unnecessary physical exertion. This innate tendency evolved because it allowed our evolutionary ancestors to conserve energy for physical activities that had immediate adaptive utility such as pursuing prey, escaping predators, and engaging in social and reproductive behaviors. The commonly observed negative affective response to exercise is an evolved proximate psychological mechanism through which humans avoid unnecessary energy expenditure. The fact that the human tendencies toward negative affective response to and avoidance of unnecessary physical activities are innate does not mean that they are unchangeable. Indeed, it is only because of human-engineered changes in our environmental conditions (i.e., it is no longer necessary for us to work for our food) that our predisposition to avoid unnecessary physical exertion has become a liability. Thus, it is well within our capabilities to reengineer our environments to once again make PA necessary or, at least, to serve an immediate functional purpose. We propose a two-pronged approach to PA promotion based on this evolutionary functional perspective: first, to promote exercise and other physical activities that are perceived to have an immediate purpose, and second, to instill greater perceived purpose for a wider range of physical activities. We posit that these strategies are more likely to result in more positive (or less negative) affective responses to exercise, better adherence to exercise programs, and higher rates of overall PA. (shrink)

C. S. Peirce's indictment that "the chief cause of [metaphysics'] backward condition is that its leading professors have been theo (Collected Papers 6:3) falls heavily at my door. For it logians" was out of reflection upon religious experience and its meaning that the present relational metaphysic was conceived. My hope, however, is that its scope is sufficiently wider than its theological origins to justify its appearance as a work in philosophy. Having been nurtured in existential philosophy and having reached some (...) measure of maturity with the wise counsel of Professor Dr. Fritz Buri, of Basel, I came to feel that theology as a modern discipline had reached an impasse owing to its overextended commitments to a subject-object paradigm of thought. Even those theologians who despaired of these ties seemed unable to find an independent alternative idiom for their ideas. A second tension in my thinking resulted from the inordinate neglect by theologians of the natural world. Also, my natural interest in physical understanding seemed unfulfilled within the narrow confines of theology, even of philosophical theology as then practiced. As I turned decisively toward the study of modern physics, and especially of cosmology, a new world seemed to open up to me. After extensive study with prominent astronomers and physicists, it began to dawn on me that the new physics has devised conceptual paradigms of thought which could be generalized into a metaphysical system of universal interest. (shrink)

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§ 1. “To the mind of the philosopher”, according to Plato,1 “there belongs a vision of all time and all being"; and certainly many of the great thinkers have made it their business to speculate about the omnitudo realitatis or the ens realissimum—about the universe as a whole and in its wholeness, or about that which is supremely real—in short about ‘ the Absolute ‘. It may be that this interest in the Whole lies at the heart of all genuine (...) philosophy, giving to it its distinctive inspiration and character. It may be, on the other hand, that it is a misdirected solicitude—an anxiety to solve the inherently insoluble. The Absolute, we shall perhaps be told, is a vox nihili—a name for that which, being nothing, has no attributes ; or we, at least, can never hope to characterize it. All our available predicates, being drawn of necessity from a limited field, must ‘ come short‘must prove inadequate for so immense and so august a subject. (shrink)

Toulmin is one of the three or four best-known philosophers of science who, beginning in the late 1950’s, attempted a thoroughgoing criticism of logical positivism (the philosophy of science which predominated at that time). The paper argues that Toulmin depends upon the same sort oftheory-observation dichotomy which resulted in many of the difficulties which bedeviled logical positivism. Thus Toulmin’s criticism is neither as radical nor as trouble-free as many suppose.

Used by more than one million students around the world since its original publication, this introductory philosophy text makes accessible a wide range of philosophical issues closely related to everyday life. Emphasizing personal and immediate questions, the authors approach introductory philosophy through basic human questions rather than focusing on methodology or the history of thought. The text presents vital questions of contemporary interest in an overall framework of enduring concepts, interweaving coverage of various topics in art, history, and education. It (...) covers a variety of types of philosophy in depth, and both western and eastern perspectives are represented. Ideal for students who have no background in philosophy, Living Issues in Philosophy, 9/e simplifies technical language wherever possible; unfamiliar terms are clearly defined upon first appearance and in the end-of-chapter glossaries. Additional pedagogical features include exercises, chapter summaries, and annotated bibliographies at the end of every chapter. The text also features photo biographies of major philosophers and short excerpts from philosophical classics. (shrink)