Recent policy developments in the area of livestock husbandry have suggested that, from the perspective of optimizing animal welfare, new animal husbandry systems should be developed that provide opportunities for livestock animals to be raised in environments where they are permitted to engage in “natural behavior.” It is not known whether consumers regard animal husbandry issues as important, and whether they differentiate between animal husbandry and other animal welfare issues. The responsibility for the development of such systems is allocated jointly (...) between farmers, regulators, different actors in the food chain, and consumers. This research focuses on understanding consumer attitudes and preferences regarding the development and introduction of such systems, to ensure that they are acceptable to consumers as well as producers, regulators, and scientists. Consumer perceptions of animal welfare and animal husbandry practices were evaluated using quantitative consumer survey, which focused on two animal husbandry issues – farmed pigs and farmed fish. Following pilot work, 1000 representative Dutch consumers were sampled about their attitudes to either pig or fish husbandry. The results indicated that consumers think about animal welfare in terms of two broad categories related to their health and living environment, but do not think about welfare issues at a more detailed level. Greater concern was expressed about the welfare of pigs compared to fish. Consumer trust in labeling also emerged as an important issue, since consumers need to trust different food chain actors with responsibility for promoting animal welfare, and are reluctant to consider the details of animal husbandry systems. As a consequence, a transparent, enforceable, and traceable monitoring system for animal welfare friendly products is likely to be important for consumers. (shrink)

The structure of Chiodi's book is based on Vuillemin's important hermeneutical thesis that existentialism is one more step in the program of the romantics to give an absolute foundation to finite reality through the establishment of necessary relations between subjectivity and being. These relations, once revealed, would dispel the facticity and contingency in which the natural world is enshrouded. The role of Heidegger in this tradition involves one further dialectical twist, since Heidegger centers all Western Philosophy, including his own, around (...) the problem of ground in the manner proposed by the romantics. The suggested dialectical twist is then Heidegger's Kehre, a step beyond the radical contingency of Dasein in Sein und Zeit. Indeed, this contingency, once reached, shows unequivocally the failure of the romantic program. The ground cannot be ontologically connected with any object nor with the subject; it is rather the necessary history of the ground that determines all categorial differentiations in the world, including the reflective differentiation of subject-objects. Thus it becomes important to distinguish Heidegger from Hegel since, in both, history and necessity are characteristics of the ground. Chiodi gets to the bottom of this matter by pointing to the transfer of negativity from the process of history to the end of history. For Heidegger what is necessary is the repeated withdrawal of the ground so that it may never be confused with that which is known in any revelation or through all of them. This move, though clear, would still leave a fundamental ambiguity in the later philosophy of Heidegger: language, which acts as messenger from the ground to the world, must reflect the superabundance of Being from the standpoint of the ground while it only reflects possibilities of being from the standpoint of the world. This is an ambiguity that Heidegger would want to maintain. Chiodi's interpretation of Heidegger as a neo-platonist totally destroys this ambiguity and with it the very delicate balance created by Heidegger between infinite meaning and the ability of finite words to dwell upon it.--A. de L. M. (shrink)

Conceived as a set of preliminary explorations to a future study of the problem of meaning and reference by the author, these "inquiries" clarify some questions raised by the specialists in linguistics, caution us about other questions that seem only too easily settled, and generally show, with great abundance of detail, the status of contemporary research on language. Much like Husserl's Logical Investigations, which pioneered the study of correspondences between grammar and logic-ontology, these explorations proceed in a zigzag sometimes emphasizing (...) semiotic issues ; other times tackling important syntactic and semantic problems ; and once coming close to an ontological characterization of language and of the human subject insofar as it uses language. Two features of this work are noteworthy. The first is the abundance of documentation as shown in the multitude of notes: the efforts of Ferrater Mora will spare many hours of work for those who need a guide in "the labyrinth of language." A second feature is the virtuoso performance by the author in the manipulation of, and exemplifications from, a variety of languages. Indagaciones sobre el Lenguaje certainly deserves publication in English.--A. de L. M. (shrink)

G. Deledalle is the author of a Histoire de la philosophie américaine, and of some excellent studies on Dewey, such as La pédagogie de Dewey, philosophie de la continuité, and "Durkheim et Dewey". These are all works that deserve full attention by students of the Golden Age of American philosophy. For a European, Deledalle has an unusual capacity to detect the vitality and freshness, but also the depth, of the growth of higher education in the U.S. in the first half (...) of this century. At the heart of this growth were philosophical ideas, and in particular those of Dewey. Philosophy did not have then dictatorial or competitive designs regarding education, the social and political sciences, psychology, or the natural sciences. It freely mingled with them, not just imparting methodological or epistemological rigor but also contributing some insights and giving the hypotheses and conclusions in these fields the character of "experiences." Experience is the guiding theme of this rich and complicated work, covering a multitude of subjects and positions. The treatment is divided into six parts dealing respectively with Dewey's leanings toward unitary experience, organic experience, dynamic experience, functional experience, instrumental experience, and transactional experience. In the study of the intellectual of Dewey's life practically all of his production is critically examined by Deledalle: a monumental task in itself, made possible by the critical bibliography of Milton Hasley Thomas. There is enough early biographical detail to make this work an effective and affectionate intellectual portrait. The best pages of this work are devoted to a thorough explication and comparative study of Dewey's final synthesis of experience. There are very helpful comparative references to Marx, Freud, Bergson, and Heidegger, and also indispensable parallels and contrasts with Peirce, James, and Whitehead. This is not a modest contribution from a regional point of view: Deledalle is, perhaps more than anybody else, aware of an ongoing international dialogue on Dewey, a dialogue that is preserving experience as a problem-complex at the front line of contemporary reflection.--A. de L. M. (shrink)

Le but de cet article est une critique de la philosophie politique de M. Eric Weil. Par opposition à M. Weil, l'auteur définit la „politique" ici comme l'art du réalisable, à préciser comme : l'art d'arriver à court terme à une organisation de la société qu'on estime meilleure, et cela en employant tous les moyens permis. L'homme politique n'est pas, ainsi que l'affirme M. Weil, un „saint de Vtmiversel”, qui, en ce qui concerne l'emploi de la violence, se trouve au-dessus (...) de la loi. Ce „politicien-éducateur” est en vérité l'appui des régimes totalitaires et est d'ailleurs inconcevable en dehors de ceux-ci. En outre la théorie de M. Weil contient un certain nombre de contradictions internes et, si on la mesure à la pratique, elle se trouve être déficiente à beaucoup d'égards. Contre la conception platonicienne de M. Weil l'auteur défend la thèse que la politique n'est pas une infraction, regrettable mais inévitable, à „la morale”. C'est la tâche de l'homme politique de supprimer toutes les absurdités, inconséquences et injustices qui entachent les structures de la société. Ce qui, concrètement, est absurde, inconséquent ou injuste n'est pas déterminé par „la morale”, mais par la conscience du droit et par le sentiment moral d'une époque donnée. Les „certitudes” d'où part l'homme politique ne sont pas des Idées platoniciennes, mais des hypothèses de travail, qui dérivent leur contenu non pas de la contemplation des Idées, mais d'une notion de ce qui est juste et désirable, notion qui est déterminée par les conditions matérielles et spirituelles et qui se trouve dans un changement continuel. (shrink)

Intended as an introduction of the phenomenological writings of Pfänder to English-speaking readers, this work contains two major essays and two minor selections by Pfänder, plus an introduction and two appendixes by Spiegelberg. Because of its composition, this book should be classified as a Pfänder's anthology centered around a main essay titled "Motives and Motivation." As reasons for the translation and publishing of this main essay, Spiegelberg mentions first its influence on Ricoeur's phenomenology of the will, and secondly its topical (...) affinity with R. S. Peter's The Concept of Motivation, a work considered by Spiegelberg as capable of restoring the importance of the will in Anglo-American philosophy. The other major essay is, curiously enough, the introduction to a text-book in logic written by Pfänder in response to Husserl's own request. The two essays, though different, are not unrelated; they represent the theoretical and practical sides of the unique phenomenological method of constitution. The presence of these two essays, side by side, in this volume raises in fact the question of Pfänder's own understanding of the theoretical unity of thought and action that is the key to phenomenological subjectivity. A clarification of Pfänder's thought on this unity would certainly help us evaluate his contribution to phenomenology. Spiegelberg himself depicts Pfänder as a reasonable phenomenologist, accurate in analysis and moderate in speculative claims, a sober figure indeed in an environment sometimes seen as prone to intellectual excesses.--A. de L. M. (shrink)

We discuss the main results of Linear Stochastic Electrodynamics, starting from a reformulation of its basic assumptions. This theory shares with Stochastic Electrodynamics the core assumption that quantization comes about from the permanent interaction between matter and the vacuum radiation field, but it departs from it when it comes to considering the effect that this interaction has on the statistical properties of the nearby field. In the transition to the quantum regime, correlations between field modes of well-defined characteristic frequencies arise, (...) which coincide with the transition frequencies of quantum mechanics and are therefore directly related with the energy quantization. The Heisenberg equations of motion of (non-relativistic) quantum electrodynamics are thus obtained. After a detailed consideration of the significance of the approximations made, we present a discussion on some of the most delicate or controversial features of quantum mechanics from the perspective provided by the present theory. (shrink)

We formulate from first principles a theory of stochastic processes in configuration space. The fundamental equations of the theory are an equation of motion which generalizes Newton's second law and an equation which expresses the condition of conservation of matter. Two types of stochastic motion are possible, both described by the same general equations, but leading in one case to classical Brownian motion behavior and in the other to quantum mechanical behavior. The Schrödinger equation, which is derived here with no (...) further assumption, is thus shown to describe a specific stochastic process. It is explicitly shown that only in the quantum mechanical process does the superposition of probability amplitudes give rise to interference phenomena; moreover, the presence of dissipative forces in the Brownian motion equations invalidates the superposition principle. At no point are any special assumptions made concerning the physical nature of the underlying stochastic medium, although some suggestions are discussed in the last section. (shrink)

An analysis is briefly presented of the possible causes of the failure of stochastic electrodynamics (SED) when applied to systems with nonlinear forces, on the basis that the main principles of the theory are correct. In light of this analysis, an alternative approach to the theory is discussed, whose postulates allow to establish contact with quantum mechanics in a natural way. The ensuing theory, linear SED, confirms the essential role of the vacuum–particle interaction as the source of quantum phenomena.

This volume not only provides the first critical edition with an English translation of the famous correspondence of Nicholas of Autrecourt , but also an assessment of his views and the views of those to whom the letters were addressed.

This paper deals with an (otherwise classical) two-(non-interacting) particle system immersed in a common stochastic zero-point radiation field. The treatment is an extension of the one-particle case for which it has been shown that the quantum properties of the particle emerge from its interaction with the background field under stationary and ergodic conditions. In the present case we show that non-classical correlations—describable only in terms of entanglement—arise between the (nearby) particles whenever both of them resonate to a common frequency of (...) the field. For identical particles the entanglement becomes maximum and must be described by totally (anti)symmetric states. (shrink)

The first critical edition of the _Syncategoreumata_ by the thirteenth-century philosopher Peter of Spain, accompanied by a facing-page English translation to make its contents accessible to modern readers. The introduction gives an account of all the manuscripts used for the edition. Extensive indexes have been added to facilitate the reader's orientation in the book.

Arguments are given in favor of a stochastic theory of quantum mechanics, clearly distinguishable from Brownian motion theory. A brief exposition of the phenomenological theory of stochastic quantum mechanics is presented, followed by a list of its main results and perspectives. A possible answer to the question about the origin of stochasticity is given in stochastic electrodynamics by assigning a real character to the vacuum radiation field. This theory is shown to reproduce important quantum mechanical results, some of which are (...) presented explicitly to illustrate its potentialities. Finally the main problems and some perspectives of research within stochastic electrodynamics are discussed. (shrink)

Code-based cryptography is currently the second most promising post-quantum mathematical tool for quantum-resistant algorithms. Since in 2022 the first post-quantum standard Key Encapsulation Mechanism, Kyber (a latticed-based algorithm), was selected to be established as standard, and after that the National Institute of Standards and Technology post-quantum standardization call focused in code-based cryptosystems. Three of the four candidates that remain in the fourth round are code-based algorithms. In fact, the only non-code-based algorithm (SIKE) is now considered vulnerable. Due to this landscape, (...) it is crucial to update previous results about these algorithms and their functioning. The Fujisaki-Okamoto transformation is a key part of the study of post-quantum algorithms and in this work we focus our analysis on Classic McEliece, BIKE and HQC proposals, and how they apply this transformation to obtain IND-CCA semantic security. Since after security the most important parameter in the evaluation of the algorithms is performance, we have compared the performance of the code-based algorithms of the NIST call considering the same architecture for all of them. (shrink)

The origin of the wave properties of matter is discussed from the point of view of stochastic electrodynamics. A nonrelativistic model of a charged particle with an effective structure embedded in the random zeropoint radiation field reveals that the field induces a high-frequency vibration on the particle; internal consistency of the theory fixes the frequency of this jittering at mc2/ħ. The particle is therefore assumed to interact intensely with stationary zeropoint waves of this frequency as seen from its proper frame (...) of reference; such waves, identified here as de Broglie's phase waves, give rise to a modulated wave in the laboratory frame, with de Broglie's wavelength and phase velocity equal to the particle velocity. The time-independent equation that describes this modulated wave is shown to be the stationary Schrödinger equation (or the Klein-Gordon equation in the relativistic version). In a heuristic analysis appled to simple periodic cases, the quantization rules are recovered from the assumption that for a particle in a stationary state there must correspond a stationary modulation.Along an independent and complementary line of reasoning, an equation for the probability amplitude in configuration space for a particle under a general potential V(x) is constructed, and it is shown that under conditions derived from stochastic electrodynamics it reduces to Schrödinger's equation. This equation reflects therefore the dual nature of the quantum particles, by describing simultaneously the corresponding modulated waveand the ensemble of particles. (shrink)

This study offers a re-interpretation of basic elements of Aristotle's semantics and metaphysics on the basis of a meticulous reconstruction of his semantics. By eliminating anachronistic conceptions commonly ascribed to him, many shortcomings or obscurities he is accused of will disappear.

Theories of consciousness have a long and controversial history. One well-known proposal — integrated information theory — has recently been labeled as ‘pseudoscience’, which has caused a heated open debate. Here we discuss the case and argue that the theory is indeed unscientific because its core claims are untestable even in principle.

Background: Discussing treatment risks has become increasingly important in medical communication. Still, despite regulations, physicians must decide how much and what kind of information to present. Objective: To investigate patients’ preference for information about a small risk of a complication of colonoscopy, and whether medical and personal factors contribute to such preference. To propose a disclosure policy related to our results. Design: Vignettes study. Setting: Department of Gastroenterology, Academic Medical Centre, the Netherlands. Patients: 810 consecutive colonoscopy patients. Intervention: A home-sent (...) questionnaire containing three vignettes. Vignettes varied in the indication for colonoscopy, complication severity and level of risk. Patients were invited to indicate their wish to be informed and the importance of such information. In addition, sociodemograhic, illness-related and psychological characteristics were assessed. Main outcome measurements: Wish to be informed and importance of information. Results: Of 810 questionnaires, 68% were returned. Patients generally wished to be informed about low-risk complications, regardless of the indication for colonoscopy or the severity of the complication. The level of risk did matter, though (OR = 2.48, SE = 0.28, p = 0.001). The information was considered less important if done for population screening purposes or diagnosis of colon cancer, if the complication was less severe (bleeding) and if the risk was smaller (0.01% and 0.1%). Patients’ information preference was also related to age, mood and coping style. Limitations: Difficulty of vignettes. Conclusions: Patients generally wish to be informed about all possible risks. However, this might become uninformative. A stepwise approach is suggested. (shrink)

We present the idea of searching for X-rays as a signature of the mechanism inducing the spontaneous collapse of the wave function. Such a signal is predicted by the continuous spontaneous localization theories, which are solving the “measurement problem” by modifying the Schrödinger equation. We will show some encouraging preliminary results and discuss future plans and strategy.