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761.
We give a detailed account of the Algebraically Closed and Existentially Closed members of the second Lee class B
2 of distributive p-algebras, culminating in an explicit construction of the countable homogeneous universal model of B
2. The axioms of Schmid [7], [8] for the AC and EC members of B
2 are reduced to what we prove to be an irredundant set of axioms. The central tools used in this study are the strong duality of Clark and Davey [3] for B
2 and the method of Clark [2] for constructing AC and EC algebras using a strong duality. Applied to B
2, this method transfers the entire discussion into an equivalent dual category X
2 of Boolean spaces which carry a pair of tightly interacting orderings. The doubly ordered spaces of X
2 prove to be much more readily constructed and analyzed than the corresponding algebras in B
2. 相似文献
762.
Patricia White 《Studies in Philosophy and Education》1996,15(1-2):201-208
This paper examines Ronald Dworkin's claim that the right to free speech does not include a right to circumstances that encourage citizens to speak nor a right to competent and sympathetic understanding on the part of listeners. Drawing on familiar arguments for the existence of other human rights, the paper challenges Dworkin's claim. Even if, however, the challenge fails and it is not possible to show that there is such a right, that is not the end of the story. It is argued that democratic societies should try to foster conditions in which citizens are encouraged to speak and are listened to sympathetically in the interests of the well-being and flourishing of the polity. The important role education has to play in this is explored. 相似文献
763.
MARIE SÖDERFELDT BJÖRN SÖDERFELDT LARS-ERIK WARG CARL-GÖRAN OHLSON 《Scandinavian journal of psychology》1996,37(4):437-443
The Maslach Burnout Inventory, MBI, is a well established measure of burnout. Its validity outside the USA is, however, uncertain. The aim of the present study was therefore to apply the MBI on personnel in two Swedish human service organizations, comparing factor solutions and scoring norms to the original results. The population consisted of 5730 employees in the Social Insurance Organization (SIO) and the Individual and Family Care section (IFC) of the social welfare agencies. Principal components analysis, principal axes and alpha factor analyses were performed, all with varimax rotation. The suggested three factor solution showed to be remarkably stable irrespective of type of analysis. Score levels were somewhat lower on two subscales in the Swedish population. The conclusion is that the psychometric properties of the MBI seem to be very satisfactory and stable, at least in comparison between Sweden and USA. It is suggested that the dimensionality of MBI is rather invariant, but that the score levels covary with national, cultural, or professional contexts within the human services. 相似文献
764.
Marya Schechtman 《Zygon》1996,31(4):597-614
Abstract. Persons have a curious dual nature. On the one hand, they are subjects, whose actions must be explained in terms of beliefs, desires, plans, and goals. At the same time, however, they also are physical objects, whose actions must be explicable in terms of physical laws. So far no satisfying account of this duality has been offered. Both Cartesian dualism and the modern materialist alternatives (reductionist and antireductionist) have failed to capture the full range of our experience of persons. I argue that an exciting new approach to this difficulty can be found by considering developments in clinical psychology. The clinical debate between those endorsing biological models of mental illness and those endorsing psychodynamic models mirrors broader debates in the philosophy of mind. The possible resolution of this debate through the development of integrated psychobiological models suggests a promising way to reconcile the dual nature of persons in a far more appealing way than any yet proposed. 相似文献
765.
This study deals with the learning of a complex motor task. The example used is rock climbing, where the subject's motricity is highly constrained by the natural environment. The working hypothesis is that the sensorimotor system searches for behavioral solutions characterized by minimal energy expenditure in the dissipation of forces. Harmonic systems — which satisfy this requirement — are used as models for testing the source signal defined by the acceleration curve at the learner's center of gravity. It is shown that only the dynamics of an expert's motor behavior are harmonic, while those of a beginner are stochastic (or chaotic). It is also shown that for experts, the process of adaptation to environmental constraints involves the relaxation of the dynamics and the ensuing emergence of a stable state which corresponds to a quasi-periodic attractor. A harmonic analysis is used to distinguish the environmental and intrinsic components of the behavioral dynamics, shown to result from the coupling of these two components via resonance. 相似文献
766.
Katrit Ron 《Contemporary Family Therapy》1996,18(1):69-83
This article reviews changes in models of supervision, resulting from technological developments and reflecting a variety of theoretical approaches. The focus is on open live supervision, conducted in the presence of the family. The supervisor and a therapeutic team join the therapist and the family, creating a complex supra-system that opens up several options for therapeutic intervention. Sessions are videotaped, and therapists use recordings for additional supervision and independent study. Therapists may also show recordings to the family as part of the therapeutic process. The advantages and disadvantages of the model are considered, and examples of some of the therapeutic options are described.This model was developed in the course of the author's work teaching and supervising students at the Counseling Department of the School of Education at the Hebrew University of Jerusalem, and supervising a multi-disciplinary team including physicians, psychologists, and social workers engaged in family therapy at the Municipal Psychological Services for Schools in Jerusalem. A shorter version of this article appeared in Hebrew inSihot 5 1991. Appreciation is expressed to Batya Stein for translating the final version of this article from Hebrew. Reprint requests should be addressed to Katrit Ron, Neve Granot 3-B, Jerusalem 93706, Israel. 相似文献
767.
768.
LUCIUS OUTLAW 《The Journal of Ethics》1997,1(3):265-290
“Africana Philosophy” is a gathering notion used to cover collectively particular articulations, and traditions of particular articulations, of persons African and African-descended that are to be regarded as instances of philosophizing. (The notion is meant to cover, as well, the philosophizing efforts of persons not African or African-descended, efforts that are, nonetheless, contributions to the philosophizing endeavors that constitute Africana philosophy.) A central concern of the essay is the question whether there are characteristics of the philosophizing practices of persons identified as members of social groups thought to comprise a geographically and historically dispersed and ethnically diverse race that do, or should, distinguish the practices by virtue of being those of persons African and/or African-descended. Is there, can there be, should there be a properly determined field of philosophy that is constituted, first and foremost, by the efforts of persons of a particular race and its ethnic groups? 相似文献
769.
770.