D J O’Connor; Two Concepts of Education, Journal of Philosophy of Education, Volume 16, Issue 2, 30 May 2006, Pages 137–146, https://doi.org/10.1111/j.1467-9752.

This paper studies general numerical networks with support and attack. Our starting point is argumentation networks with the Caminada labelling of three values 1=in, 0=out and ½=undecided. This is generalised to arbitrary values in [01], which enables us to compare with other numerical networks such as predator?prey ecological networks, flow networks, logical modal networks and more. This new point of view allows us to see the place of argumentation networks in the overall landscape of networks and import and export ideas (...) to and from argumentation networks. We make a special effort to make clear how general concepts in general networks relate to the special case of argumentation networks. We pay special attention to the handling of loops and to the special features of numerical support. We find surprising connections with the Dempster?Shafer rule and with the cross-ratio in projective geometry. This paper is an expansion of our 2005 paper and so we also consider higher level features such as numerical attacks on attacks, and propagation of numerical values.We conclude with a brief view of temporal numerical argumentation and with a detailed comparison with related papers published since 2005. (shrink)

In this paper, we suggest some of the dimensions of the problematic concept of Alzheimer Disease as a natural disease discerned by increasingly sophisticated medical scientific progress. Taking a page from Max Weber concerning unique events, we show some of the conceptual building blocks and social processes that have coalesced into the perception of certain phenomena as abnormalities that are seen as implicated in the development of a degenerative disease distinct from the process of normal, but variable, brain aging. We (...) note some of the decisions and social forces pushing for particular conceptualizations, interpretations, and reifications of brain alterations. In so doing, we suggest that the mystery of the "there" may not be much different from, and probably is, the mystery of the "everywhere". (shrink)

We examined the extent to which the perceived changes in visual imagery colorfulness impact on the affect intensity associated with ordinary autobiographical events across time. We garnered support for the hypothesis that recent events become memorial phenomena via an emotion regulation process such that positive events retained their affective pleasantness longer than negative events retained affective unpleasantness because, in part, across 2 weeks the former retained their imagery colorfulness longer than the latter events did. A similar but distinct model was (...) unsupported. We discuss the significance of imagery colorfulness and affect intensity in the context of memory for everyday autobiographical events. (shrink)

At some distance from a high-rate source in an elastic half-space, the dominant wave motion at the free surface is a Rayleigh surface wave. The calculation of surface waves generated by a concentrated force in a half-space is a basic problem in elastodynamics. By straightforward manipulations, the result can be used to obtain surface waves for other kinds of wave-generating body-force arrangements. For example, appropriate combinations of double-forces (or dipoles) can be used to represent the surface loading due to laser (...) irradiation, or due to acoustic emission from the opening of a sub-surface crack or from sliding over a fault surface. The surface wave motion is usually obtained by the application of integral transform techniques and the subsequent extraction of the surface waves as the contributions from poles in the integral for the inverse transform. In this paper, we use a much simpler approach based on the elastodynamic reciprocity theorem. We consider a transversely isotropic solid whose axis of symmetry is normal to the surface of the half-space. Surface wave pulses generated by a single force, by irradiation from a laser source, and by opening of a crack, have been determined. (shrink)