From a careful and persuasive analysis of Sophocles' debt in the Ajax to Homer's picture of Hector and Andromache's farewell in Iliad 6, P. E. Easterling concludes that in the Ajax ‘we have the paradox of an author's distinctive originality finding expression through his reading of another's work’. In what follows I wish to show that the validity of this statement extends to an aspect of the play which is touched upon by Easterling , but which I would like to (...) single out for special attention: the preoccupation with the problem of what constitutes noble action, or, in the play's own terminology, what is the nature of εγένεια. (shrink)

A geometric formulation of the gravitation theory in the spacetime R × S 3 is given. A linear connection is introduced on the tangent bundle T(R × S 3 ) and then the connection coefficients and the Riemann curvature tensor are calculated. It is shown that their expressions differ from those of Carmeli and Malin [Found. Phys.17, 407 (1987)] by supplementary terms due to the noncommutativity of derivatives used on the spacetime R × S 3 . The Einstein field equations (...) are written as usually and a comparison with other results is given. Finally, some observations about a possible gauge theory of gravitation in the spacetime R × S 3 are made. (shrink)

Mathematical modeling is a convenient way for characterization of complex ecosystems. This approach was applied to study the dynamics of zooplankton in Lake Sevan (Armenia) at different stages of anthropogenic eutrophication with the use of a novel method called discrete modeling of dynamical systems with feedback (DMDS). Simulation demonstrated that the application of this method helps in characterization of inter- and intra-component relationships in a natural ecosystem. This method describes all possible pairwise inter-component relationships like “plus–plus,” “minus–minus,” “plus–minus,” “plus–zero,” “minus–zero,” (...) and “zero–zero” that occur in most ecosystems. Based on the results, a working hypothesis was formulated. It was found that the sensitivity to weak external influence in zooplanktons was the greatest during the mid period of eutrophication in Lake Sevan, whereas in the final stages of eutrophication, an outbreak in the biomass production of cyanobacteria was evident. To support this approach, a weak external disturbance in the form of magnetic storm was used to see its effect on species Daphnia longispina sevanica. A statistically significant correlation between the frequency of magnetic storms and the number of this species was revealed and an increase in the number of toxic cyanobacteria species as a consequence of eutrophication. This paper, for the first time, suggests a DMDS method, to diagnose impact of anthropogenic eutrophication on environment. (shrink)

Keine ausführliche Beschreibung für "Über das Wesen der Naturgesetze" verfügbar.

A lyrical variation on vv. 27–30, the present passage is, at the same time, a new version of Hec. 631–7. A comparison is instructive in various respects, but Hel. 27 f. will not be quoted in justification of what L gives in vv. 236 f. This wording raises the following objections: the last word, , is outside the metre and not easily attached to the following colon, the beginning of which naturally coincides with the new sentence and new idea If, (...) then, is obelized—and this seems unavoidable—the words. (shrink)

There are methodological problems with the new techniques reviewed by Posner & Raichle. Some brain mechanisms are not detected by the temporal and spatial resolution. Questions are also raised by the stimulation paradigms.

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On the passage spaced Archer-Hind writes: ‘It seems to me that needless difficulty has been raised over this sentence; Хαρέντως έҳων simply means “having his body in a good state,” and to this τοαύτη refers. If the body were in a healthy condition at death and at a healthy age, it would hold out longer, says Plato, against decomposition. Mr. Cope, I think, is quite correct in translating “If a man dies with his body in a vigorous state and at (...) a vigorous period of his life, a very considerable time indeed.” The following sentence συμπεσòν … χρόνον is bracketed by Schanz after Ast. I see no sufficient reason for doing so; the yap is certainly not very obvious but may be explained thus; for if a body is embalmed it remains nearly whole for an indefinite time. Hirschig brackets ώσμερ … ταριχενθέντες very superfluously. Plato says the body of a healthy man who dies in the prime of life lasts a good while; an Egyptian mummy lasts an indefinite time; even without this some parts of the human frame are almost indestructible.’. (shrink)

ABSTRACTConventional medical ethics and the law draw a bright line distinguishing the permitted practice of withdrawing life‐sustaining treatment from the forbidden practice of active euthanasia by means of a lethal injection. When clinicians justifiably withdraw life‐sustaining treatment, they allow patients to die but do not cause, intend, or have moral responsibility for, the patient's death. In contrast, physicians unjustifiably kill patients whenever they intentionally administer a lethal dose of medication. We argue that the differential moral assessment of these two practices (...) is based on a series of moral fictions – motivated false beliefs that erroneously characterize withdrawing life‐sustaining treatment in order to bring accepted end‐of‐life practices in line with the prevailing moral norm that doctors must never kill patients. When these moral fictions are exposed, it becomes apparent that conventional medical ethics relating to end‐of‐life decisions is radically mistaken. (shrink)