A New Interpretation of Carnap’s Logical Pluralism

Topoi - Rudolf Carnap’s logical pluralism is often held to be one in which corresponding connectives in different logics have different meanings. This paper presents an alternative view of...     

A New Proof of the McKinsey–Tarski Theorem

It is a landmark theorem of McKinsey and Tarski that if we interpret modal diamond as closure (and hence modal box as interior), then \(\mathsf S4\) is the logic of any dense-in-itself metrizable space. The McKinsey–Tarski Theorem relies heavily on a metric that gives rise to the topology. We give a new and more topological proof of the theorem, utilizing Bing’s Metrization Theorem.     

A Formal Characterisation of Hamblin’s Action-State Semantics

Hamblin’s Action-State Semantics provides a sound philosophical foundation for understanding the character of the imperative. Taking this as our inspiration, in this paper we present a logic of action, which we call ST, that captures the clear ontological distinction between being responsible for the achievement of a state of affairs and being responsible for the performance of an action. We argue that a relativised modal logic of type RT founded upon a ternary relation over possible worlds integrated with a basic tense logic captures intuitions of the Hamblinian model of imperatives. The logic implements a direct mapping of each of Hamblin’s key concepts: strategies, partial strategies and wholehearted satisfaction.     

How to Make Sense of the Claim “True Knowledge is What Constitutes Action”: A New Interpretation of Wang Yangming’s Doctrine of Unity of Knowledge and Action

No one denies the importance of applying knowledge to actions. But claiming identity (unity) of knowledge and action is quite another thing. There seem to be two problems with the claim: (1) the identity claim implies that the sole cause for one to fail to act on what one judges to be right is ignorance, but it is obviously false that the sole cause of failure in moral actions is ignorance. (2) The identity statement implies non-separation of knowledge and action. But knowledge does not necessarily lead to action. However, the identity of knowledge and action is what a famous Ming Confucian scholar, Wang Yang-ming, proposed and the concept became the central doctrine of his teaching. Though there are several major interpretations of Wang’s doctrine in contemporary literature, it is not clear to me how they deal with the above mentioned difficulties. In this article, I will discuss these interpretations of the doctrine and propose a new interpretation. My purpose is to give an interpretation of Wang’s doctrine that has the capacity of dealing with these challenges to the doctrine and also captures the essence of his teaching.     

Perceiving and Interacting Affordances: A New Model of Human–Affordance Interactions

This article introduces a new affordance framework for humans and human design. Based on previous important concepts in product design–affordance, signifier, and product semantics, the authors propose three new concepts to illustrate how people perceive affordance. According to the model, perceptual probability of affordance is the probability that the public can perceive a certain affordance; perceptual threshold of affordance is the threshold at which affordance can be perceived by a person and changed by perceptual information; and situations, in which interactions between affordances and people exist, are crucial influences on human–affordance interactions. An illustration of the model and suggestions for further research are provided.     

Walter Pitts and “A Logical Calculus”

Many years after the publication of “A Logical Calculus of the Ideas Immanent in Nervous Activity,” Warren McCulloch gave Walter Pitts credit for contributing his knowledge of modular mathematics to their joint project.

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The Emergence and Irreducibility of Scientific Knowledge： A Multi-Synergic-Holism

The world possesses a hierarchical structure and evolves through emergence. Its levels are the result of emergence, and possess unique properties and functions which their components and emergent bases do not. Each of these levels also possesses basic laws or rules which cannot be logically deduced from other levels, and evince downward causation. Therefore, there are non-linear causal networks among the levels of complex systems in which causal reductionism does not hold. The hierarchical structure is formed in accordance with the increasing organized complexity of the objects, so that different levels give birth to different disciplines, and different disciplines have their own theoretical autonomy and independence. Therefore, theories across different levels are essentially irreducible, and any apparent case of reduction may only be so in the sense of a partial reduction. Emergence-evolution-hierarchy ontology and multi-synergic holism is compatible with reductionism even as it transcends it.     

Roger Swyneshed’s Obligationes: A Logical Game of Inference Recognition?

In [Dutilh Novaes, Medieval-obligations as logical Games of Consistency maintenance, synthese, (2004)], I proposed a reconstruction of Walter Burley’s theory of obligationes, based on the idea that Burley’s theory of obligationes could be seen as a logical game of consistency maintenance. In the present paper, I intend to test the game hypothesis on another important theory of obligationes, namely Roger Swyneshed’s theory. In his treatise on obligationes [edited by P.V. Spade, cf. Spade History and philosophy of Logic 3(1982) 1-32], Swyneshed introduced significant modifications to the general framework of obligationes. To compare the two theories, I apply the same formal apparatus used in the previous paper. It will become patent that Swyneshed’s theory is considerably different from Burley’s, among other reasons because the dynamic aspects that play a major role in the latter are simply not present in the former. My conclusion is that Swyneshed’s version of obligationes is not directed towards consistency maintenance, but rather towards inference recognition, and that it is, from a game-theoretical perspective, less interesting a theory than Burley’s.     

Knowledge of Objective ‘Oughts’: Monotonicity and the New Miners Puzzle

In the classic Miners case, an agent subjectively ought to do what they know is objectively wrong. This case shows that the subjective and objective ‘oughts’ are somewhat independent. But there remains a powerful intuition that the guidance of objective ‘oughts’ is more authoritative—so long as we know what they tell us. We argue that this intuition must be given up in light of a monotonicity principle, which undercuts the rationale for saying that objective ‘oughts’ are an authoritative guide for agents and advisors.     

Rayo’s The Construction of Logical Space

Abstract

I wonder which one in a series of characters Agustín Rayo really is, with an emphasis on objective correctness and semantics.     

A Psychometric Evaluation of the New NEO–PIR Facet Scales for Agreeableness and Conscientiousness

The five-factor model of personality represents one of the more important developments in the area of personality theory and assessment. This empirically derived model consists of the major factors of Neuroticism, Extraversion, Openness to Experience, Agreeableness, and Conscientiousness. Currently there is only one commercially available measure of these dimensions: The NEO Personality Inventory (NEO-PI). The NEO-PI measures each of these global domains as well as more specific facets of Neuroticism, Extraversion, and Openness to Experience. The new revision of the NEO-PI (NEO-PIR) now includes facet scales for Agreeableness and Conscientiousness. The purpose of this article is to provide a psychometric evaluation of these new scales using a sample of working adults and relying on both self-report and observer ratings. The results provide strong support for the reliability and construct validity of these new scales.     

A new name for an old idea? A student of harvey carr reflects

My chief mentor in graduate school at Chicago was Harvey Carr, who spent most of his professional life at The University of Chicago as professor of experimental psychology. He was admired and loved by his graduate students not only as a masterly teacher and for his acumen in directing research, but also as a man of personal integrity. On the assumption that he is not as well known as he should be by the present generation of psychologists, this essay is presented. The paper reports on the testimonials of his many students on the occasion of his retirement, some reminiscences on the part of the essayist, and an analysis of Carr's systematic position.     

A Simple Logical Matrix and Sequent Calculus for Parry’s Logic of Analytic Implication

Studia Logica - We provide a logical matrix semantics and a Gentzen-style sequent calculus for the first-degree entailments valid in W. T. Parry’s logic of Analytic Implication. We achieve...     

Can Essence Provide Knowledge of Metaphysical Necessity? A Reply to Jago

Philosophia - In this paper I argue against Mark Jago’s recent suggestion that ordinary knowers can move from knowledge of essence to knowledge of metaphysical necessity.     

Utilization of Sales Management Knowledge and Identification of Contributors: An Analysis of JPSSM 1980–1990

The utilization of the JPSSM in enhancing sales management knowledge was analyzed by a cross citation of JPSSM articles in other journals and sales management textbooks which found that the JPSSM has made a basic contribution to the sales and sales management literature. An examination of authorships and institutional contributors to the sales and sales management literature in the JPSSM was also conducted. A large number of both individuals and institutions have contributed articles to the JPSSM, indicating a breadth of research on sales. However, a relatively few contributors accounted for a significant proportion of JPSSM articles, suggesting a concentration of research efforts by both individuals and institutions.     

Characterisation of magnesium oxide and its interface with α-Mg in Mg–Al-based alloys

Magnesium oxide (MgO) films and particles have been collected by pressurised filtration of a Mg-8.6wt%Al-0.67wt%Zn (AZ91D) alloy melt. The morphology of the oxides and their interfaces with the α-Mg phase were investigated by high-resolution transmission electron microscopy. It was found that the oxide films consisted of large numbers of sub-micrometre-sized MgO particles, and that melt shearing can effectively break up the oxide films and disperse the oxide particles. For the first time, orientation relationships (ORs) of OR I: [1?1?1]_MgO～2° from (0?0?0?1)_α-Mg and (0?1?1)_MgO?//[2?1?1?0)_α-Mg; and OR II: (1?1?1)_MgO//(1?1?0?1)_α-Mg and [0?1?1]_MgO//[1?2?1?1]_α-Mg, were observed between the MgO particles and the α-Mg matrix. The calculated Bramfitt planar disregistries were 5.5% and 2.5% for the two ORs, respectively, indicating good lattice matching between MgO and α-Mg at the interface. With the evidence of grain refinement effect observed in the sheared AZ91D magnesium alloy, the possibility of MgO particles to act as potent nucleants for heterogeneous nucleation of α-Mg grains is discussed in terms of the crystallographic criterion.