Nineteenth Century British Logic on Hypotheticals,Conditionals, and Implication

Hypotheticals, conditionals, and their connecting relation, implication, dramatically changed their meanings during the nineteenth and early part of the twentieth century. Modern logicians ordinarily do not distinguish between the terms hypothetical and conditional. Yet in the late nineteenth century their meanings were quite different, their ties to the implication relation either were unclear, or the implication relation was used exclusively as a logical operator. I will trace the development of implication as an inference operator from these earlier notions into the first third of the twentieth century using as the starting point the ideas primarily of R. Whately and W. Hamilton before discussing the work of the transitional logicians, A. De Morgan and G. Boole on these topics. Then we discuss the relevant views of four prominent but relatively unknown nineteenth century British logicians, W.E. Johnson, J.N. Keynes, E.E.C. Jones, and H. MacColl, as well as those of the more influential logicians, W.S. Jevons and J. Venn, closing with a section on ‘implication as inference’ where we explore some key ideas of B. Russell and sketch the work of D. Hilbert, P. Hertz, and G. Gentzen who together are responsible for the development of the modern ideas related to the subjects of this paper.     

Temporal references in dreams and autobiographical memory

In an attempt to determine whether temporal references identified in dreams follow the same temporal distributions as those documented for autobiographical memories, 28 younger women (18-35 years of age) and 30 older women (60-77 years of age) kept a home dream diary for 1 week and then slept 1 night in the laboratory for rapid eye movement sleep dream collection. The following morning, they identified temporal references in their dreams and produced a sample of autobiographical memories using the semantic cuing method. For both groups, there was a linear decrease in temporal references identified in dreams and autobiographical memories with increased remoteness for the last 30 years. As predicted, for the older group, there were similar cubic trends reflecting a disproportionately higher number of both temporal references identified in dreams and autobiographical memories from adolescence/early adulthood compared with adulthood and childhood. The results support the notion of continuity between waking and dreaming memory processes.     

Analyzing sequential relations in observational data: A practical guide

Many observational systems in basic and applied research produce a record of sequences of events over time. Within such observational systems, important information may be found in the frequency of the transitions between events that does not emerge in the typical researcher's focus on absolute event frequency. Indeed, if many behaviors are controlled by closely adjacent preceding events, then substantial prediction and control can be obtained through knowledge and manipulation of causal event transitions. A method for analyzing and testing sequential dependencies between events is proposed as part of an integrated package of computer-based data entry, storage, and analysis procedures. The mathematical portion of these techniques is based on the statistic, kappa,which is applicable to determining whether particular transitions among events differ from chance and whether particular transitions differ significantly across groups of subjects. Low-cost hardware and software to implement the proposed procedures are described.This work has been supported by Grant 1 RO1 HD19245-01A1 from the National Institute of Child Health and Human Development to the two senior authors and by grants of equipment from Commodore Computers, Inc., Koala Corporation, and NEC Telephones, Inc.     

The Embodied Chiasmic Relationship of Mother and Infant

In this paper the very earliest relationship of mother and newborn will be described phenomenologically through an interlacing of Donald Winnicott's work on maternal holding with Maurice Merleau-Ponty's concepts of flesh and chiasm. Merleau-Ponty's thinking suggests that the holding relationship described by Winnicott is formed as much by the infant's holding of the mother as it is by mother's holding of her infant. Both flex and bend towards each other and inscribe each other yet retain their own particularity. Further specification and articulation of the lived body of both arises from the ongoing overlapping and sedimenting of past and current touches, movements, sounds, and sightings initiated internally and externally. Examples drawn from fieldwork and secondary sources will illustrate this ongoing embodied relationship.     

Why Women Approve of Affirmative Action: The Study of a Predictive Model

The self-interest model has often been used to predict the reactions of advantaged groups to affirmative action. It is argued that self-interest also plays a role in the genesis of attitudes of disadvantaged groups, such as women. More precisely, it is hypothesised that considerations of personal interest have an impact on considerations of collective interest which in turn have an impact on the sense of collective relative deprivation (CRD). In the past, it was shown that women who felt collectively deprived approved of strategies designed to eliminate systemic barriers. No link was found, however, between CRD and preferential treatment. Women, in majority, were opposed to this strategy. On the basis of a model introduced by Taylor and McKirnan (1984), it is argued that women who have experienced discrimination on the basis of sex in spite of the introduction of affirmative action strategies may support preferential treatment. The hypotheses were integrated in a model and tested using LISREL causal modelling. In total, 197 female francophone workers participated in the study. They were all employed in a large firm where in the last five years attempts were made to reduce sex asymmetries. These efforts however were not successful; the percentage of women in non-traditional jobs increased by only 2%. The proposed model was tested successfully. The results are discussed in light of previous paradigms and practical implications.