Otto Neurath on the Structure of Protocol Sentences; A New Approach to an Interpretative Puzzle

Summary  Otto Neurath’s thesis concerning the structure of protocol sentences is central to the famous Protocol Sentence Debate in the Vienna Circle. However, its precise nature is far from easy to discern in Neurath’s writings. So far, only Thomas Uebel has attempted a closer analysis of Neurath’s contribution to the debate. I argue that Uebel’s interpretation is problematic in some respects and propose a novel analysis, which hopefully brings into a clearer light Neurath’s position in the Protocol Sentence Debate as well as his relevance to contemporary philosophies of science.     

Über zwei Formen von Realismus in der Quantentheorie

On Two Types of Realism in Quantum Theory. Current realist approaches to the foundations of quantum theory emphasize the dichotomy between (Copenhagen) positivism and ‘beable’-realism. Recently it was even attempted to turn this picture into two (equally possible) histories in order to legitimate Bohmian Mechanics as a viable alternative. This paper argues that this dichotomy is philosophically inadequate and historically questionable by embedding it into the philosophical discussion on positivism and realism that has taken place since the 1920s. Logical Empiricists back then advocated empirical realism and contrasted it to absolutistic metaphysical realism. From this viewpoint David Bohm's ‘beable’-realism combines elements of Mach's sensualism with a pre-Kantian metaphysics. As Wesley Salmon's position shows, empirical realism can become quite pronounced without relapsing into Bohmian philosophy. Instead it arrives close to the GRWP-interpretation. Hence, when Bernard d'Espagnat binds both together as ‘ontological interpretations’, he blurs the borderline between empirical and metaphysical realism that his Veiled Reality has set out to draw, quite in concordance with Logical Empiricism. This revised version was published online in August 2006 with corrections to the Cover Date.     

Dependency and fault as determinants of helping

In a natural setting, helping was investigated as a function of a female requestor's dependency on the subject for help and whether or not she was at fault for her plight. Based on previous research and the hypothesized operation of two norms, it was predicted that the negligent requestor would be more likely to receive help than the victim of circumstance when her dependency was high, but would be less likely to receive help when her dependency was low. Randomly selected telephone subscribers received a “wrong number” telephone call from a stranded women motorist. The woman asked the subject to make a phone call for her; the dependent variable was whether the subject helped by making the call. Results were consistent with predictions. When dependency is high, the victim's negligence appears to operate as an indication of greater need, whereas when dependency is low, it seems to operate as a sign that the victim is less deserving of help. Results were discussed in relation to different social norms that may be activated as a function of the dependency of the requestor.     

What's in a face: Individual differences in face perception

White and black females judged the similarity of all pairs of white and black male faces. An individual difference multidimensional scaling analysis of the similarity judgments indicated that most of the dimensions underlying the perceptions of male faces involved affective (honest, tense, attractive) characteristics rather than simple physical features (eye width, mouth height). The major physical dimension was face shape (long vs. wide). The dimensions were similar for black and white subjects. An individual difference hypothesis that we pay attention to those characteristics that we possess was partially confirmed.     

Evidence for direct visual access to letter identities

Subjects were presented with two letters from the set BCDFGHLNPORTVZ, one in upper case and one in lower case. Subjects were required to decide, as quickly as possible, whether the two letters on each trial were the same (e.g., Bb) or different (e.g., Bd). Because letters were always physically different, subjects presumably must name the letters in order to respond. Reaction times were predicted by the visual similarity of the letters, and not by their phonemic distinctive feature similarity. Consistent with previous work showing that a word's meaning can be assessed directly from visual information, the findings suggest that visual analysis of a capital or small letter can result in knowing the latter name without further linguistic processing. These results were interpreted as an example of automatic detection as described by Schneider and Shiffrin (1977).     

Murphy on Postmodernity, Science, and Religion

Nancey Murphy claims that a shift in "thinking strategy" from modern to postmodern modes of thought makes it easier to exhibit the intellectual respectability of theology vis-à-vis the sciences. Her case for this proposition depends on modernist interests, most notably in systematizing the sciences for reasons that have their origin in Plato's divided line.     

Memory aids and the Cartesian circle

ABSTRACT

In answering the circularity charge, Descartes consistently distinguished between truths whose demonstrations we currently perceive clearly and distinctly (call these ‘C-truths’) and truths whose demonstrations we merely remember having perceived clearly and distinctly (call these ‘R-truths’). Descartes uses C-truths to prove God’s existence, thus validating R-truths. While avoiding one form of circularity (using C-truths to validate C-truths), this introduces another circle, for Descartes believes that God’s existence validates R-truths even when itself an R-truth. I consider Newman and Nelson’s grounds enhancement strategy according to which this problem is solved when God’s existence is rendered axiomatic. I argue that since it is still possible to doubt axioms when not directly apprehending them, this strategy cannot work; having to reproduce the argument for God’s existence in face of sceptical doubt is unavoidable. Drawing both on Newman and Nelson’s notion of grounds enhancement and on reproducibility interpretations, I argue that reproducibility can be enhanced via memory aids. Although discussion of memory and the Cartesian circle has been sidelined since Frankfurt’s 1962 refutation of Doney’s memory interpretation, I argue that memory is at the heart of the matter after all (though not in the same way Doney thought).     

Circle graphs and monadic second-order logic

This article is part of a project consisting in expressing, whenever possible, graph properties and graph transformations in monadic second-order logic or in its extensions using modulo p cardinality set predicates or auxiliary linear orders. A circle graph is the intersection graph of a set of chords of a circle. Such a set is called a chord diagram. It can also be described by a word with two occurrences of each letter, called a double occurrence word. If a circle graph is prime for the split (or join) decomposition defined by Cunnigham, it has a unique representation by a chord diagram, and this diagram can be defined by monadic second-order formulas with the even cardinality set predicate. By using the (canonical) split decomposition of a circle graph, we define in monadic second-order logic with auxiliary linear orders all its chord diagrams. This construction uses the fact that the canonical split decomposition of a graph can be constructed in monadic second-order logic with help of an arbitrary linear order. We prove that the order of first occurrences of the letters in a double occurrence word w that represents a connected circle graph determines this word in a unique way. The word w can be defined by a monadic second-order formula from the word of first occurrences of letters. We also prove that a set of circle graphs has bounded clique-width if and only if all the associated chord diagrams have bounded tree-width.     

The spread and impact of Cartesian philosophy in China: historical and comparative perspectives

Cartesian philosophy has had a profound influence on modern Chinese intellectuals since the mid 19^th century. After the May Fourth Movement, there have been many Chinese scholars who worked immensely on Cartesian philosophy and conducted fruitful research including translations, biographies, monographs, and a large number of papers. The examination of mind/body has been one of the most important philosophic issues and also a fundamental truth-searching of the various great thinkers, from Confucius and Socrates to many later Eastern and Western philosophers. There are certain similarities and distinctions between Confucian ‘mind/body’ and Cartesian ‘mind/body’. As a super country with the highest population in the world, the studies of Cartesian philosophy in China have been very inadequate; it should be more prosperous and successful.