This paper studies the causal interpretation of counterfactual sentences using a modifiable structural equation model. It is shown that two properties of counterfactuals, namely, composition and effectiveness, are sound and complete relative to this interpretation, when recursive (i.e., feedback-less) models are considered. Composition and effectiveness also hold in Lewis's closest-world semantics, which implies that for recursive models the causal interpretation imposes no restrictions beyond those embodied in Lewis's framework. A third property, called reversibility, holds in nonrecursive causal models but not (...) in Lewis's closest-world semantics, which implies that Lewis's axioms do not capture some properties of systems with feedback. Causal inferences based on counterfactual analysis are exemplified and compared to those based on graphical models. (shrink)

For about the last three decades, postmodernists have exposed the weaknesses of modernist formalism. Western modernist formalism effectively locates art’s meaning in its formal qualities. Clive Bell’s twentieth-century significant form aesthetic theory, Clement Greenberg and abstract art, and art educators’ preoccupation with design elements and principles typify this modernist tendency.1 In contrast, postmodernists generally insist that sociocultural context supplies art’s meaning. Within contemporary art education, postmodernist theory relies strongly on semiotics, neopragmatism, and social constructivist theories of culture; these tend to (...) reduce form to being an arbitrary vehicle for content supplied by cultural.. (shrink)

This paper returns to the juncture of race, culture, and aesthetics in the context of visual-arts education, especially regarding the failure of higher art discourse to be inclusive and comprehensive of others. Though pedagogical curricula in the United States require that K–12 art teachers be trained to promote multiculturalism in their discipline, their training is affected by art history and studio teaching in which Eurocentrism generally persists. Instructors in studio and art history programs seldom identify as "art educators," most likely (...) because art education is regarded as a hybrid, impure discipline. And, as will be shown, hybridity is a problem for notions of purity. Multiculturalism, if part of studio... (shrink)

This comment on Steven Boer's “Object-Dependent Thoughts” develops two examples: (1) a counterexample to the "axiom of the seamlessness of truth," namely, that there are no propositions, one true and one false, such that knowing the true one requires believing the false one; (2) a story about the first sighting of Neptune, by John Galle on September 23, 1846, that illustrates how one can understand Galle's remark "That is the planet whose position Leverrier calculated" without believing that there is something (...) to which Galle refers. (shrink)

Speech unfolds over time, and the cues for even a single phoneme are rarely available simultaneously. Consequently, to recognize a single phoneme, listeners must integrate material over several hundred milliseconds. Prior work contrasts two accounts: (a) a memory buffer account in which listeners accumulate auditory information in memory and only access higher level representations (i.e., lexical representations) when sufficient information has arrived; and (b) an immediate integration scheme in which lexical representations can be partially activated on the basis of early (...) cues and then updated when more information arises. These studies have uniformly shown evidence for immediate integration for a variety of phonetic distinctions. We attempted to extend this to fricatives, a class of speech sounds which requires not only temporal integration of asynchronous cues (the frication, followed by the formant transitions 150–350 ms later), but also integration across different frequency bands and compensation for contextual factors like coarticulation. Eye movements in the visual world paradigm showed clear evidence for a memory buffer. Results were replicated in five experiments, ruling out methodological factors and tying the release of the buffer to the onset of the vowel. These findings support a general auditory account for speech by suggesting that the acoustic nature of particular speech sounds may have large effects on how they are processed. It also has major implications for theories of auditory and speech perception by raising the possibility of an encapsulated memory buffer in early auditory processing. (shrink)

Part of the appeal of the biological approach to personal identity is that it does not have to countenance spatially coincident entities. But if the termination thesis is correct and the organism ceases to exist at death, then it appears that the corpse is a dead body that earlier was a living body and distinct from but spatially coincident with the organism. If the organism is identified with the body, then the unwelcome spatial coincidence could perhaps be avoided. It is (...) argued that such an identification would be a mistake. A living organism has a different part/whole relationship and persistence conditions than the alleged body. A case will be made that the concept ‘human body’ is a conceptual mess, vague in an unprincipled manner, and that an eliminativist stance towards dead bodies is the appropriate response. CiteULike Connotea Del.icio.us What's this? (shrink)

In response to earlier papers in Informal Logic by Robert Fogelin and Andrew Lugg, this paper explores the issue of whether disagreement could ever be so deep that it defied rational resolution. Contra Lugg, I agree with Fogelin that such unresolvable disagreement is possible and, contra Fogelin, I suggest that the focus of such disagreement can be quite Iimited-a single proposition rather than a whole system of beliefs. I also suggest that emphasising arguing as a human practice rather than arguments (...) as a structure of propositions is unhelpful to consideration of these issues. (shrink)

As a continuation of the work of the third author in [5], we make further observations on the features of Galois cohomology in the general model theoretic context. We make explicit the connection between forms of definable groups and first cohomology sets with coefficients in a suitable automorphism group. We then use a method of twisting cohomology (inspired by Serre’s algebraic twisting) to describe arbitrary fibres in cohomology sequences—yielding a useful “finiteness” result on cohomology sets. Applied to the special case (...) of differential fields and Kolchin’s constrained cohomology, we complete results from [3] by proving that the first constrained cohomology set of a differential algebraic group over a bounded, differentially large, field is countable. (shrink)

This book is aimed at those studying for entry into the various professions where ethical questions are commonly faced such as teaching or social work.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain (...) in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant. (shrink)

In a recent paper in this journal, Jim Garrison (1997) opines that a Deweyan social constructivism ought to be embraced by science educators in preference to the subjectivist variety espoused by Ernst von Glasersfeld as it '. . . retains all [of the latter's] virtues and does not get caught up in its confusions' (p. 543), In this response, I argue that key elements of Garrison's complaints are misguided and that his preferred Deweyan social constructivism is a theoretical framework without (...) apparent superiority and with enough flaws that it is best eschewed by science educators (and metascientists, generally). © 2000 Kluwer Academic Publishers. (shrink)

In this classic work David Bohm, writing clearly and without technical jargon, develops a theory of quantum physics which treats the totality of existence as an unbroken whole.

SummaryNone of the above should be viewed as a defence of the particular version of OOE currently popular. I have not advanced any proposals concerning what particular ends might be of such importance that they legitimately override her prima facie right to control the contents of her mind. I have suggested that an internal tension exists within CCE as sketched by Forster but even ‘empowerment’ was not assumed by me to successfully meet the onus; my point was merely that it (...) was to be more plausibly construed as an argument for a compulsory, outcome‐driven, rather than for a free, interest‐driven, curriculum. Whether it is right for Janey to be overruled or not is a matter for continuing discussion, a discussion that OOE challenges us to have. It is, however, a prospective dialogue that is pre‐empted by any assumption that, just because CCE is prevalent in primary schools, the task is to protect it from OOE's predatory threat. For all that Forster has provided argument to the contrary, OOE may be a reform; the enemy might not be ‘a narrow vision of the national good’ but a narrow conception of Janey's good; perhaps there are things more important about portions of learning than that Janey finds them to have ‘personal significance’. (shrink)