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Logic programs, iterated function systems, and recurrent radial basis function networks 总被引:1,自引:0,他引:1
Graphs of the single-step operator for first-order logic programs—displayed in the real plane—exhibit self-similar structures known from topological dynamics, i.e., they appear to be fractals, or more precisely, attractors of iterated function systems. We show that this observation can be made mathematically precise. In particular, we give conditions which ensure that those graphs coincide with attractors of suitably chosen iterated function systems, and conditions which allow the approximation of such graphs by iterated function systems or by fractal interpolation. Since iterated function systems can easily be encoded using recurrent radial basis function networks, we eventually obtain connectionist systems which approximate logic programs in the presence of function symbols. 相似文献
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Compatibilism and the Notion of Rendering Something False 总被引:2,自引:0,他引:2
Benjamin Sebastian Schnieder 《Philosophical Studies》2004,117(3):409-428
In my paper I am concerned with Peter van Inwagen's Consequence Argument. I focus on its probably best known version. In this form it crucially employs the notion of rendering a proposition false, anotion that has never been made sufficiently clear. The main aim of my paper is to shed light on thisnotion. The explications offered so far in thedebate all are based on modal concepts. Iargue that for sufficient results a ``stronger',hyper-intensional concept is needed, namely theconcept expressed by the word ``because'. I show that my analysis is superior to the prior ones. On the basis of this analysis I further explain why van Inwagen's argument fails. 相似文献
156.
Aysegül Ibisler Sebastian Ocklenburg Susanne Stemmler Larissa Arning Jörg T. Epplen Carsten Saft Sabine Hoffjan 《Journal of genetic counseling》2017,26(5):1029-1040
We present a prospective study of counselees seeking predictive testing for Huntington’s disease at the Huntington Center North Rhine-Westphalia (Bochum, Germany) between 2010 and 2012. The aim was to observe the decision-making process of at-risk individuals and explore their experiences following the decision as well as the impacts of positive and negative mutation results. Data were collected using two standardized questionnaires as well as via a semi-standardized telephone interview one year after the initial counseling session. Seventy-two individuals participated in at least one of the three phases of the survey, including 31 individuals in the telephone interview. Sociodemographic data were in accordance with previous reports. The process of predictive testing was generally perceived in a positive manner, with almost all interviewees reporting a balanced emotional state one year after initial counseling, regardless of the decision for or against the test. The most important reasons named in favor of or against testing were assembled as well as different aspects regarding the satisfaction with the reached decision. In line with and expanding previous observations on gender-related differences in decision-making, our results suggest that gender-related aspects should be more strongly taken into account in genetic counseling during the predictive testing and counseling processes. 相似文献
157.
The authors investigate primary, hysterical, narcissistic identification, and introjection as conceptualised by Freud, Melanie Klein’s projective identification, and Anna Freud’s identification with the aggressor and altruistic surrender. It is pointed out that hysterical identification, narcissistic identification, and introjection are unconscious processes leading into a state of primary identification, and that they can be distinguished on a clinical level as regards the emotional meaning the object has for the subject. In hysterical identification the aspects of an object with which one identifies and all its other aspects retain their emotional meaning, in narcissistic identification these other aspects also keep their emotional meaning, but in this case the aspects with which one identifies lose their emotional meaning, and in introjection all aspects of an object lose their emotional meaning. Furthermore, it is shown that hysterical or narcissistic identifications are the mechanisms underlying the identification with the aggressor, and that—along with projections—hysterical re-identification also plays a decisive role in projective identification and altruistic surrender, whereby in these latter processes the object identifies himself unconsciously with the contents projected onto him in a hysterical or narcissistic manner. 相似文献
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New terms and frameworks are constantly being incorporated into scientific and public discourses on the management of natural resources and the environment. The idea of invasive non‐native plant and animal species, i.e. of species that enter a new range and spread prolifically, is currently becoming part of the public discourse in Scotland. This constitutes a valuable opportunity to study how people engage with new scientific concepts. We analysed focus group and personal interview data to examine how participants (including the general public, conservation volunteers and scientists) familiarized themselves with the ecological concept of invasive non‐native species. Our analysis draws on the idea of anchoring in the formation of social representations, complemented by concepts from cognitive linguistics and conceptual blending, and defines anchoring as a process of information transfer from source to target domains. Our findings suggest that social representations of invasive non‐native species were constituted to a large degree by perceptions of species' detrimental impacts and the human role in and responsibility for the introduction process. By contrast, the non‐nativeness of a species was not relevant for participants from the general public and conservation volunteers. Three types of anchoring could be distinguished in our participants' discussions that differed with regard to the relations between source and target domain. Whereas participants from the general public and conservation volunteers used all three types of anchoring, scientists did not. The identification of different anchoring types also helped to explain incongruencies in the scientific discourse on invasive non‐native species, and has implications for public information campaigns. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
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Sebastian Rand 《Continental Philosophy Review》2011,44(4):341-357
Some of Catherine Malabou’s recent work has developed her conception of plasticity (originally deployed in a reading of Hegelian
Aufhebung) in relation to neuroscience. This development clarifies and advances her attempt to bring contemporary theory into dialogue
with the natural sciences, while indirectly indicating her engagement with the French tradition in philosophy of science and
philosophy of medicine, especially the work of Georges Canguilhem. I argue that we can see her development of plasticity as
an answer to some specific shortcomings in Canguilhem’s conception of organic or biological normativity as advanced in The Normal and the Pathological. Such a view of plasticity shows its potential to provide the basis for a powerful critical engagement with contemporary
conceptions of selfhood, self-transformation, subjectivation, and the general theory of norms. 相似文献