Improvisation informs a vast array of human activity, from creative practices in art, dance, music, and literature to everyday conversation and the relationships to natural and built environments that surround and sustain us. The two volumes of the Oxford Handbook of Critical Improvisation Studies gather scholarship on improvisation from an immense range of perspectives, with contributions from more than sixty scholars working in architecture, anthropology, art history, computer science, cognitive science, cultural studies, dance, economics, education, ethnomusicology, film, gender studies, history, (...) linguistics, literary theory, musicology, neuroscience, new media, organizational science, performance studies, philosophy, popular music studies, psychology, science and technology studies, sociology, and sound art, among others. (shrink)

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.

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 (...) α bounds $2^{\aleph _{0}}$ degrees (so that, in particular, there exist LR degrees with uncountably many predecessors) and we give sample results which demonstrate how various techniques from the theory of the c.e. degrees can be used to prove results about the c.e. LR degrees. (shrink)

We show that in the c.e. weak truth table degrees if b < c then there is an a which contains no hypersimple set and b < a < c. We also show that for every w < c in the c.e. wtt degrees such that w is hypersimple, there is a hypersimple a such that w < a < c. On the other hand, we know that there are intervals which contain no hypersimple set.

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.

We show that the identity bounded Turing degrees of computably enumerable sets are not dense.

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.

In lieu of an abstract, here is a brief excerpt of the content:Remembering Lewis E. HahnGeorge C. H. Sun, President, John Howie, Professor Emeritus, Thomas Alexander, Professor and Director of Graduate Studies, Kenneth W. Stikkers, Professor and Chair, Randall Auxier, Professor, Robert Hahn, Professor, Joseph Wu, Professor Emeritus, Elizabeth R. Eames, Professor Emeritus, Martin Lu, Professor of Philosophy, George Kimball Plochmann, Professor Emeritus, Matt Sronkoski, Philosophy Graduate and Academic Adviser, Dave Clarke, Professor Emeritus, Eugenie Gatens-Robinson, Professor Emerita, Hans (...) H. Rudnick, Professor Emeritus, Stephen Bickham, Professor EmeritusPresident, and Don Mikula (bio)The following testimonials were offered on the occasion of a memorial gathering for Dr. Lewis E. Hahn held on February 19, 2005, and were compiled for presentation here by Sharon (Hahn) Crowell.A Tribute to Dr. Lewis E. Hahn (1908-2004) from a Global PerspectiveGeorge C. H. Sun President, Thomé H. Fang Institute, Inc., Mobile, AlabamaAmong the philosophical community in both the East and the West, no word of introduction is needed for our beloved Master, who was the recipient of numerous distinctions and honors, with titles that included "Man of the Year in Philosophy" and "Award of Lifetime Achievement." The very name "Lewis E. Hahn" itself already stands now for genuineness, dedication, and fulfillment.A great work is a dialogue with eternity; a great person is such a work. In less than thirty years he succeeded in developing Carbondale from what had been a small college town in the Midwest into the Mecca of American philosophy. His most important achievements were the Dewey Center and the Pepper Archives that he helped install at SIUC These, among other such institutions, will remain a unique contribution, a glory of American philosophy, and a monument in the history of human thought.For posterity Lewis E. Hahn will remain an object of wonder and amazement. How is it possible for one human being to have accomplished so much, so well, and in so short a span of time—less than one century—in breadth, depth, and diversity? Some one hundred years ago, by bridging the gap between the New World and the Old, William James was hailed as the great genius of international friendship among philosophical thinkers, but we now find a greater genius in Lewis E. Hahn, who succeeded in bringing together the peoples of East and West from at least four continents: Europe, Australia, America (both North and Latin America), and Asia. To my knowledge, few of his predecessors and contemporaries have been half so widely read and liberal-minded as he was, in view of the range and scope of the Library of Living Philosophers that he helped continue after the passing of its founder, Dr. Paul A. Schilpp.What type of man was Hahn, our younger generation will wonder? Only a pluralist approach can help us understand the true character of such a legendary pluralist-contextualist. In short, he was "a full personality." As I recall, while working on my dissertation with him in the 1970s, we had a brief discussion on Confucius, the sage of ancient China. "A full personality!" was his laconic assessment. Suddenly I realized, to quote the Analects: "The Master is talking about himself!" For, as the Buddhists put it, only a Buddha can understand a Buddha. Or, as William James put it, only one who has philosophy can appreciate philosophy. Many friends [End Page 1] of my generation admire him so much; Te Chen of Hong Kong calls him "a great Confucian in America." Those who regret the loss of many precious Confucian virtues in China today have now rediscovered them in the person of Lewis E. Hahn! If Nietzsche called Kant "a great Chinese in Königsberg," it is simply because he had not encountered our own Master.A paradigm of academic leadership, Dr. Hahn is simply irreplaceable—this is a tribute I personally heard in Carbondale in the late 1960s. It is not an exaggeration to say that he was a superb administrator, and he could have been the best Secretary of the State we ever had, for he possessed more in the way of philosophical wisdom than all his predecessors put together! As a great teacher, he was no less "serene, good, learned, wise, and ardent" than... (shrink)

The essay discusses the March 5, 1944 "Discussion on Sin," an event that was held between French intellectual Georges Bataille and the Jesuit priest and patristics scholar Jean Daniélou, along with other important Christian and non-Christian intellectuals. I argue that the event is the best recorded wartime intellectual encounter between the founders of contestation (subsequently so important in deconstructive thought) and serious practitioners of Christianity. Aspects of the thought of French thinker Maurice Blanchot and Swiss theologian Hans Urs Von Balthasar (...) are also profiled. (shrink)

Donald Davidson has shocked his readers by arguing that assertion is not a conventional activity, thus attacking what was taken to be a truism by most philosophers of language. The paper claims that Davidson's argument is seriously flawed by his failure to distinguish a number of questions which should be kept separate. Assertion is a matter of seriousness, not of sincerity; departures from seriousness are marked by techniques which are undeniably conventional. There are no parallel indicators of seriousness, i. e. (...) there is no assertion-sign. But this necessary absence of a conventional marker of seriousness from our communicative repertoire does not imply that the activity of asserting is not conventional. Assertion differs in important ways from eating or walking; it is these differences which have led Searle, Lewis, EHimmett and countless others to conceive of language as essentially conventional'. The paper argues that Davidson'snaturalistic challenge illuminates the (non-existing) role of the assertion-sign, while failing to undermine the credentials of the 'truism'. (shrink)

The British have often denied the very existence of a tradition of English literary theory. George Watson redeems that denial in his latest book, the first study of 20th Century English theory. The book begins with Yeats, Pound and Eliot, who made England their home. In subsequent chapters, based on personal recollection as well as published sources, it assesses the contribution of I.A. Richards, William Empson, F.R. Leavis, C.S. Lewis, Isaiah Berlin and Wittgenstein, as well as Marxists like (...) E.P. Thompson and Raymond Williams. English literary theory is a tradition that has suffered in reputation, paradoxically, by the sheer fertility of its invention. In this seminal work the author celebrates that fertility from the First World War downto the death of Iris Murdoch in 1999, showing that England pioneered the academic study of theories of literature years in advance of France or the USA. (shrink)

Donald Davidson has shocked his readers by arguing that assertion is not a conventional activity, thus attacking what was taken to be a truism by most philosophers of language. The paper claims that Davidson's argument is seriously flawed by his failure to distinguish a number of questions which should be kept separate. Assertion is a matter of seriousness, not of sincerity; departures from seriousness are marked by techniques which are undeniably conventional. There are no parallel indicators of seriousness, i. e. (...) there is no assertion-sign. But this necessary absence of a conventional marker of seriousness from our communicative repertoire does not imply that the activity of asserting is not conventional. Assertion differs in important ways from eating or walking; it is these differences which have led Searle, Lewis, EHimmett and countless others to conceive of language as essentially conventional'. The paper argues that Davidson'snaturalistic challenge illuminates the (non-existing) role of the assertion-sign, while failing to undermine the credentials of the 'truism'. (shrink)

What the nineteenth century knew of attamen or at tamen it did not learn from dictionaries. The two last revisions of Forcellini, Corradini's and De-Vit's, provided eight examples between them, of which three were false. Klotz added one, Georges two, Smith two: one of these five was false, and two more lie under much suspicion. Freund gave no instance whatsoever. In preparing his first volume, which appeared in 1834, he turned, like a good compiler, to the first volume of Hand's (...) Tursellinus, published in 1829. What he found there, on p. 450, was ‘de at tamen uide in tamen’; so he sat down quickly and wrote ‘attamen adv., s. tamen’. But Hand's Tursellinus, which never reached tamen, had proceeded no further than multum when Freund in 1840 produced the last volume of his dictionary; so he did not redeem his promise, and when you got there the cupboard was bare. This perfidy was faithfully imitated by the English and American dictionaries of Andrews, White and Riddle, Lewis and Short. To all intents and purposes one was left to depend on one's own reading and on the observations of Madvig at Cic. de fin. pp. 286 and 425 and opusc. I p. 491. (shrink)

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 (...) disappeared. But a substantial body of related material which survives has yet to be thoroughly investigated, though William Twining has made a gallant start. A new edition of the work hitherto known as ‘An Introductory View of the Rationale of Evidence’, first printed in full in the Bowring edition of the Works of Jeremy Bentham is in preparation. The first fruits of this endeavour is that the title of that work as it should appear in due course in the new Collected Works will be Introduction to the Rationale of Evidence: An Introductory View for the Use of Lawyers as well as Non-lawyers, the title in fact given to the work by Bentham. It is intended that what follows should similarly be of use to non-lawyers as well as lawyers. (shrink)

Past research has identified a number of asymmetries based on moral judgments. Beliefs about what a person values, whether a person is happy, whether a person has shown weakness of will, and whether a person deserves praise or blame seem to depend critically on whether participants themselves find the agent's behavior to be morally good or bad. To date, however, the origins of these asymmetries remain unknown. The present studies examine whether beliefs about an agent's “true self” explain these observed (...) asymmetries based on moral judgment. Using the identical materials from previous studies in this area, a series of five experiments indicate that people show a general tendency to conclude that deep inside every individual there is a “true self” calling him or her to behave in ways that are morally virtuous. In turn, this belief causes people to hold different intuitions about what the agent values, whether the agent is happy, whether he or she has shown weakness of will, and whether he or she deserves praise or blame. These results not only help to answer important questions about how people attribute various mental states to others; they also contribute to important theoretical debates regarding how moral values may shape our beliefs about phenomena that, on the surface, appear to be decidedly non-moral in nature. (shrink)

It has been argued repeatedly that the modern study of social and cultural evolution took its inspiration and form from Charles Darwin's Origin of Species and Descent of Man. In 1920, Robert H. Lowie observed that it was after evolutionary principles had been accepted in biology that they were applied to social phenomena, and that Lewis Henry Morgan was among the first to make the application. Sir James George Frazer, at about the same time, dated the birth of (...) anthropology from the promulgation of the evolution theory of Darwin and Wallace in 1859 and maintained that “this conception of evolution … supplies a basis for the modern science of anthropology.” Harry Elmer Barnes similarly traced the development of anthropology from the theory of organic evolution and advised the student that he “need not concern himself with the history of method in sociology before the entry of Darwinian concepts.”. (shrink)

This book is a collection of essays in honor of Radoslav A. Tsanoff, Chairman of the Department of Philosophy at Rice University for forty years. Besides a tribute to Tsanoff written by J. S. Fulton, there are ten essays written by distinguished philosophers, each considering a topic in his field of interest. Virgil Aldrich discusses the importance of language in an essay entitled "Self-Consciousness." An examination of the new in art and an attempt to explicate its value and rationale is (...) presented by Van Meter Ames; illustrative material is drawn from such sources as contemporary film, pop art and chance music. In "Social Science and Social Norms" Clifford Barrett discusses the relevance of facts and norms in systematic considerations of social scientists. C. P. Snow's concept of two cultures is examined by A. Cornelius Benjamin in "Philosophy and the Cultures." Other essays presented are "Philosophy and Common Sense" by George Boas, "Conscience and Conscientiousness" by A. Campbell Garnett, "Criteria for Ideas of God" by C. Hartshorne, and "Sovereignty and the Idea of Republic" by C. W. Hendel. Charles Morris examines the common themes of the pragmatic movement, discussing such fields as epistemology, axiology and cosmology, and such philosophers as Peirce, Dewey, Mead and Lewis. In the concluding essay G. R. Morrow discusses Plato's views about a God and the many gods of the Greek pantheon. This book is a loose collection of papers, lacking any single theme or determinate relation between the essays presented; each essay, however, is competently handled and is interesting in its own right.—E. M. (shrink)

George Karamanolis breaks new ground in the study of later ancient philosophy by examining the interplay of the two main schools of thought, Platonism and Aristotelianism, from the first century BC to the third century AD. Arguing against prevailing scholarly assumption, he argues that the Platonists turned to Aristotle only in order to elucidate Plato's doctrines and to reconstruct Plato's philosophy, and that they did not hesitate to criticize Aristotle when judging him to be at odds with Plato. Karamanolis (...) offers much food for thought to ancient philosophers and classicists. (shrink)

In this paper, Tyson E. Lewis challenges the dominant theoretical and practical educational responses to globalization. On the level of public policy, Lewis demonstrates the limitations of both neoliberal privatization and liberal calls for rehabilitating public schooling. On the level of pedagogy, Lewis breaks with the dominant liberal democratic tradition which focuses on the cultivation of democratic dispositions for cosmopolitan citizenship. Shifting focus, Lewis posits a new location for education out of bounds of the common sense (...) of public versus private, nationalism versus cosmopolitanism, inclusion versus exclusion, human versus civil rights. This is the space of the commonwealth whose actors cannot be identified as ‘citizens’ but are rather the anonymous multitude. In conclusion, Lewis finds a model for organizing this commonwealth in the work of Ivan Illich, whose learning networks speak to the urgent political and pedagogical need for exodus from the conceptual vocabulary that defines much of the contemporary field of educational theory. (shrink)

The present studies investigated children’s and adults’ intuitive beliefs about the physical nature of essences. Adults and children (ranging in age from 6 to 10 years old) were asked to reason about two different ways of determining an unknown object’s category: taking a tiny internal sample from any part of the object (distributed view of essence), or taking a sample from one specific region (localized view of essence). Results from three studies indicated that adults strongly endorsed the distributed view, and (...) children showed a developmental shift from a localized to distributed view with increasing age. These results suggest that even children go beyond mere placeholder notions of essence, committing to conceptual frameworks of how essences might be physically instantiated. (shrink)

This paper examines people's reasoning about identity continuity and its relation to previous research on how people value one-of-a-kind artifacts, such as artwork. We propose that judgments about the continuity of artworks are related to judgments about the continuity of individual persons because art objects are seen as physical extensions of their creators. We report a reanalysis of previous data and the results of two new empirical studies that test this hypothesis. The first study demonstrates that the mere categorization of (...) an object as “art” versus “a tool” changes people's intuitions about the persistence of those objects over time. In a second study, we examine some conditions that may lead artworks to be thought of as different from other artifacts. These observations inform both current understanding of what makes some objects one-of-a-kind as well as broader questions regarding how people intuitively think about the persistence of human agents. (shrink)

The concept of authenticity plays an important role in how people reason about objects, other people, and themselves. However, despite a great deal of academic interest in this concept, to date, the precise meaning of the term, authenticity, has remained somewhat elusive. This paper reviews the various definitions of authenticity that have been proposed in the literature and identifies areas of convergence. We then outline a novel framework that organizes the existing definitions of authenticity along two key dimensions: describing the (...) type of entity that is evaluated and describing the source of information that is consulted. We argue that this convergence across a number of papers, and more importantly, across a number of domains, reflects significant progress in articulating the meaning of authenticity. We conclude by suggesting new avenues for research in this area, with particular attention toward psychological process. (shrink)

The following abbreviations are used to reference Berkeley’s works: PC “Philosophical Commentaries‘ Works 1:9--104 NTV An Essay Towards a New Theory of Vision Works 1:171--239 PHK Of the Principles of Human Knowledge: Part 1 Works 2:41--113 3D Three Dialogues between Hylas and Philonous Works 2:163--263 DM De Motu, or The Principle and Nature of Motion and the Cause of the Communication of Motions, trans. A.A. Luce Works 4:31--52.

This paper provides an analysis of the educational use of the Internet and of digital technologies that is neither pessimistic nor optimistic, that is neither critical nor post-critical. Turning to Italian philosopher Giorgio Agamben’s comments on studying and its relationship to the technology of the blank writing tablet, the authors argue that digital devises are a radical transformation in our relationship to the technologies of reading and writing. Traditionally, the scholar was able to experience his or her potentiality to communicate (...) through writing via the blankness of the writing tablet. Yet, according to Agamben, such blankness has become inaccessible in the digital age, where the screen is always full of content. Here the authors argue that Agamben is correct in his diagnosis, yet his own theory of communicability offers up a way to redeem the educational use of digital devices. It is precisely the overflowing saturation of communications on the Internet which produces a new kind of blankness. It is this blankness which should thus become the focus of a studious form of media literacy—one that is not critical or post-critical so much as pre-critical. (shrink)