I argue that epistemological disjunctivism, as defended by Pritchard or McDowell, faces a dilemma. To avoid collapsing into the “highest common factor view”, it has to combined with a metaphysical brand of disjunctivism. This is so because the epistemological disjunctivist’s contention, that veridical perception provides the perceiver with reflectively accessible epistemic reasons that are superior to those provided by hallucination, is tenable only if underwritten by the naïve realist claim that perception is partly constituted by the perceived fact. As I (...) argue, this claim inexorably leads to metaphysical disjunctivism. So, epistemological disjunctivism cannot be advertised as a view that shares some of the advantages of metaphysical disjunctivism, but is less extreme and therefore more widely acceptable. In addition to presenting the dilemma, I discuss and reject one route of escape for the epistemological disjunctivist. (shrink)
We provide a novel Bayesian justification of inference to the best explanation. More specifically, we present conditions under which explanatory considerations can provide a significant confirmatory boost for hypotheses that provide the best explanation of the relevant evidence. Furthermore, we show that the proposed Bayesian model of IBE is able to deal naturally with the best known criticisms of IBE such as van Fraassen?s?bad lot? argument.
This paper reports the validation of a 6-item short form of the original 35-item Servant Leadership Behavior Scale, a widely used measure of servant leadership behavior. The holistic perspective of servant leadership and the inclusion of spirituality are two distinctive features of the SLBS relative to other servant leadership measures. Psychometric properties of the SLBS-6 were examined on the basis of seven studies. In the preliminary scale development, the factor structure of the new measure was tested using a combination of (...) all samples. The subsequent seven studies were aimed at building further its construct validity relative to observed variables within the servant leadership nomological network in direct, mediating, and moderating relationships. Analyses of all datasets using MPlus with maximum-likelihood estimation provided support for the 6-item structure and demonstrated its internal consistency reliability, criterion-related validity, and construct validity. As such, the study presents the SLBS-6 as the shortest holistic measure of servant leadership to date that can be used with confidence for research and training purposes. (shrink)
Quantum set theory and topos quantum theory are two long running projects in the mathematical foundations of quantum mechanics that share a great deal of conceptual and technical affinity. Most pertinently, both approaches attempt to resolve some of the conceptual difficulties surrounding quantum mechanics by reformulating parts of the theory inside of non-classical mathematical universes, albeit with very different internal logics. We call such mathematical universes, together with those mathematical and logical structures within them that are pertinent to the physical (...) interpretation, `Q-worlds'. Here, we provide a unifying framework that allows us to better understand the relationship between different Q-worlds, and define a general method for transferring concepts and results between TQT and QST, thereby significantly increasing the expressive power of both approaches. Along the way, we develop a novel connection to paraconsistent logic and introduce a new class of structures that have significant implications for recent work on paraconsistent set theory. (shrink)
In recent years, anthropic reasoning has been used to justify a number of controversial skeptical hypotheses. In this paper, we consider two prominent examples, viz. Bostrom’s ‘Simulation Argument’ and the problem of ‘Boltzmann Brains’ in big bang cosmology. We argue that these cases call into question the assumption, central to Bayesian confirmation theory, that the relation of evidential confirmation is universally symmetric. We go on to argue that the fact that these arguments appear to contradict this fundamental assumption should not (...) be taken as an immediate refutation, but should rather be seen as indicative of the peculiar role that the relevant hypotheses play in their respective epistemic frameworks. (shrink)
O objetivo deste artigo é examinar como Montaigne retoma, na sua crítica das filosofias morais e, especialmente, da existência de leis naturais, a proposta por Sexto Empírico acerca do mesmo tema ao final das Hipotiposes Pirronianas. Pretendo mostrar que, para além das consideráveis similaridades, o modo como Montaigne relaciona razão, natureza e costume, confere um perfil próprio à sua reconstrução do pirronismo, particularmente visível na sua compreensão da oposição entre critério de verdade e critério de ação. Igualmente, sustento que essa (...) distinção, proveniente do pirronismo, ocupará um lugar central na sua reflexão moral. The aim of this paper is to investigate how Montaigne adopts, in his own discussion of moral philosophies (and, in particular, of the proponents of natural laws), Sextus Empiricus' criticism on the same topic, as exposed in his Outlines of Pyrrhonism. I want to show that, besides the deep similarities we can find between them, Montaigne's peculiarities show themselves throughout his way of dealing with relations between reason, costume and nature, as well as in his interpretation of the opposition between a criterion of truth and a practical criterion. I maintain also that this Pyrrhonism notion occupies a prominent place in his moral reflections. (shrink)
A consistent finding in research on conditional reasoning is that individuals are more likely to endorse the valid modus ponens (MP) inference than the equally valid modus tollens (MT) inference. This pattern holds for both abstract task and probabilistic task. The existing explanation for this phenomenon within a Bayesian framework (e.g., Oaksford & Chater, 2008) accounts for this asymmetry by assuming separate probability distributions for both MP and MT. We propose a novel explanation within a computational-level Bayesian account of reasoning (...) according to which “argumentation is learning”. We show that the asymmetry must appear for certain prior probability distributions, under the assumption that the conditional inference provides the agent with new information that is integrated into the existing knowledge by minimizing the Kullback-Leibler divergence between the posterior and prior probability distribution. We also show under which conditions we would expect the opposite pattern, an MT-MP asymmetry. (shrink)
First published in 1968. Aesthetics is a living debate of issues concerning the concepts involved in speaking about the arts and the appreciation and creation of art works. But contemporary aesthetics is seriously impoverished if it forgets to take issue or come to terms with its own past. Discovering how problems first arose, and tracing their subsequent careers, can suggest perspectives for contemporary analysis in aesthetics. This book by Eva Schaper examines the views of Plato and Aristotle at the very (...) beginning of philosophical reflection on the nature and purpose of art. Both thinkers, in raising questions and offering solutions, contributed formative ideas which are still an essential part of our common stock of aesthetic notions. This title will be of interest to students of philosophy. (shrink)
Déjà des questions d'actualité avaient conduit Eva Cantarella à mener des enquêtes sur l'histoire des femmes, sur le statut de l'homosexualité dans l'Antiquité gréco-romaine. La démarche est la même dans ce dernier ouvrage écrit au début des années 1990 et provoqué par l'énigme de la société nord-américaine qui, tenue pour un des pays les plus démocratiques de la planète, n'en pratique pas moins encore de nos jours la peine de mort. Non que le passé explique de manière univoque le prés..
The paper argues that our emotions in response to fictional representations are best explained, not as requiring a suspension of diselief, but as resembling the emotions we feel when we propound a hypothetical case to ourselves, such as the imagined happiness or suffering of ourselves or another. In reading fiction we voluntarily participate in a hypothesis represented by the work. If this explanation is accepted, we can retain the view that beliefs always entail commitment to the reality of what is (...) believed. (shrink)
In her analysis of pejoratives, Eva Picardi rejects a too sharp separation between descriptive and expressive content. I reconstruct some of her arguments, endorsing Eva’s criticism of Williamson’s analysis of Dummett and developing a suggestion by Manuel Garcia Carpintero on a speech act analysis of pejoratives. Eva’s main concern is accounting for our instinctive refusal to endorse an assertion containing pejoratives because it suggests a picture of reality we do not share. Her stance might be further developed claiming that uses (...) of pejoratives not only suggest, but also promote a wrong picture of reality. Our refusal to endorse implies rejecting not only a wrong picture of reality but also a call for participation to what that picture promotes. (shrink)
The Peircean semiotic approach to information that we developed in previous papers raises several new questions, and shows both similarities and differences with regard to other accounts of information. We do not intend to present here any exhaustive discussion about the relationships between our account and other approaches to information. Rather, our interest is mainly to address its relationship to ideas about information put forward by Gregory Bateson and Eva Jablonka. We conclude that all these authors offer quite broad concepts (...) of information, but we argue that they are just as broad as they should be, since information is in itself a sweeping concept. Furthermore, all of them suggest a processual approach to information, which departs from the treatment of information as something that is contained in some structure (e.g., in sequences of nucleotides) and moves us towards an understanding of information as a process — in the terms of our account, a semiotic process, i.e., semiosis. (shrink)
A decomposition model of Net Final Values (NFV), named Systemic Value Added (SVA), is proposed for decision-making purposes, based on a systemic approach introduced in Magni [Magni, C. A. (2003), Bulletin of Economic Research 55(2), 149–176; Magni, C. A. (2004) Economic Modelling 21, 595–617]. The model translates the notion of excess profit giving formal expression to a counterfactual alternative available to the decision maker. Relations with other decomposition models are studied, among which Stewart’s [Stewart, G.B. (1991), The Quest for Value: (...) The EVA™ Management Guide, Harper Collins, Publishers Inc]. The index here introduced differs from Stewart’s Economic Value Added (EVA) in that it rests on a different interpretation of the notion of excess profit and is formally connected with the EVA model by means of a shadow project. The SVA is formally and conceptually threefold, in that it is economic, financial, accounting-flavoured. Some results are offered, providing sufficient and necessary conditions for decomposing NFV. Relations between a project’s SVA and its shadow project’s EVA are shown, all results of Pressacco and Stucchi [Pressacco, F. and Stucchi, P. (1997), Rivista di Matematica per le Scienze Economiche e Sociali 20, 165–185] are proved by making use of the systemic approach and the shadow counterparts of those results are also shown. (shrink)
This article questions the continued use and application of EVA® (economic value added) because it is epistemologically a non-sequitur, fails to satisfy the requirements of sound research methodology in terms of being a reliable and valid metric, and is unlikely to satisfy the requirements of Rule 702 of the Federal Rules of Evidence. In the light of these insufficiencies, the continued use of EVA® is ethically questionable, and moreover in time is likely to result in class actions.