43,752 research outputs found

    The ethics of thinking in Heidegger, Bruno & Spinoza

    No full text
    The aim of the present work is to face Heidegger’s claim that philosophy has ended. Facing this claim for us has not taken the form of creating a new method or positing a new question but that of a search for anomalies in what Heidegger decrees as finished, which is philosophy as metaphysics. In his historical confrontation with the history of thought Heidegger seems to have left out, dismissed or forgotten those authors who do not fit into his definition of metaphysics. We have chosen Giordano Bruno and Baruch Spinoza, metaphysical thinkers who have undertaken a philosophical practice that does not intend to demolish subjectivity but actually begins without any need for it. The birth of the subject as grounding reality finds its affirmation with Descartes and inaugurates modernity that, according to Heidegger, exhausts philosophy and leads it into the arms of modern science and technology. Bruno and Spinoza respectively precede and follow the birth of modernity and of modern science, which they look at with an eye that is not that of the modern subject. Following their different approaches to philosophy, we shall also explore their relation to Renaissance Humanism, dismissed by Heidegger as a historical reiteration of the Roman world, perceived as a perversion of the Greek origin of thought. We shall show how hasty such a dismissal is. Our goal is to show not merely that Heidegger is wrong but that if Western thinking contains the seeds of its own end, it also contains the ones of a different understanding of the Western world and its achievements. The three authors will engage on the grounds of ontology, gnosiology and ethics and yet we have defined the whole enterprise of this work as an ethics overall. An ethics of thinking is a practice of thought that wishes to envisage the possibility for Western man of inhabiting his own world by understanding himself not as an isolated subject and master of nature but as the place where the unity and multiplicity of nature come to be thought at the same time

    Schelling, Bruno e il Bruno di Schelling

    No full text
    Il contributo ricostruisce il complesso intreccio tra la filosofia di Bruno e quella di Schelling a partire dal dialogo schellinghiano "Bruno"

    The influence of Giordano Bruno on the writings of Sir Philip Sidney

    No full text
    Includes bibliographical references (leaves 195-204)The relationship between Sir Philip Sidney, renowned Elizabethan courtier and writer, and the Italian philosopher Giordano Bruno has not been satisfactorily established, nor has the effect of that relationship on Sidney's thought and writings. This study explores the nature of the relationship and the influence it had on Sidney's literary work. Bruno spent some twenty-eight months in England--from 1583 to 1585--and. became a member of an intellectual circle that included Sidney. The two men came from different countries, social backgrounds, and religious persuasions, but they shared a common intellectual milieu which could account for many similarities in the works of the two men. Bruno, however, was unique in Elizabethan England. He was a brilliant but erratic philosopher, who launched from the Copernican theory his own cosmological philosophy based on his concept of an infinite universe. A self-defrocked priest, Bruno longed for a world united under "natural" religion, a sort of pagan pantheism known as Hermetism. Sidney was the ideal courtier, versatile and talented. He shared with Bruno the ideal of a re-united Christendom, but Sidney's efforts--at least prior to his meeting with Bruno--were directed toward establishing a Protestant League. Traces of Bruno's uniqueness, verbal and ideological, in Sidney's writings, then, would suggest influence. ..

    Alfvenic turbulence in high-latitude solar wind: Is latitude a relevant parameter?

    No full text
    Plasma and magnetic field measurements by Ulysses during its first out-of-ecliptic orbit have allowed extensive investigations on the behavior of Alfvenic turbulence in high-latitude solar wind. Most analyses have shown that the turbulence evolution in high-latitude wind is radial, rather than latitudinal, in nature. However, a recent study based on magnetic field fluctuations has suggested that latitude might play a non negligible role. Here we further examine this possibility by using Elsasser's variables, that directly are related to the Alfvenic content of solar wind fluctuations. Our conclusion, supported by a comparison between polar and ecliptic observations, is that latitude does not appear to have an appreciable influence on the turbulence evolution in high-latitude solar wind

    Matching with Clustered Data: the CMatching Package in R

    No full text
    Matching is a well known technique to balance covariates distribution between treated and control units in non-experimental studies. In many fields, clustered data are a very common occurrence in the analysis of observational data and the clustering can add potentially interesting information. Matching algorithms should be adapted to properly exploit the hierarchical structure. In this article we present the CMatching package implementing matching algorithms for clustered data. The package provides functions for obtaining a matched dataset along with estimates of most common parameters of interest and model-based standard errors. A propensity score matching analysis, relating math proficiency with homework completion for students belonging to different schools (based on the NELS-88 data), illustrates in detail the use of the algorithms

    Beam test results of 25 and 35 μ\mum thick FBK ultra-fast silicon detectors

    No full text
    This paper presents the measurements on first very thin Ultra-Fast Silicon Detectors (UFSDs) produced by Fondazione Bruno Kessler; the data have been collected in a beam test setup at the CERN PS, using beam with a momentum of 12 GeV/c. UFSDs with a nominal thickness of 25 and 35 μ\mum and an area of 1 ×\times 1 mm2\text {mm}^2 have been considered, together with an additional HPK 50-μ\mum thick sensor, taken as reference. Their timing performances have been studied as a function of the applied voltage and gain. A time resolution of about 25 ps and of 22 ps at a voltage of 120 and 240 V has been obtained for the 25 and 35 μ\mum thick UFSDs, respectively.This paper presents the measurements on first very thin Ultra Fast Silicon Detectors (UFSDs) produced by Fondazione Bruno Kessler; the data have been collected in a beam test setup at the CERN PS, using beam with a momentum of 12 GeV/c. UFSDs with a nominal thickness of 25 μ\mum and 35 μ\mum and an area of 1 ×\times 1 mm2\text{mm}^2 have been considered, together with an additional HPK 50-μ\mum thick sensor, taken as reference. Their timing performances have been studied as a function of the applied voltage and gain. A time resolution of about 25 ps and of 22 ps at a voltage of 120 V and 240 V has been obtained for the 25 and 35 μ\mum thick UFSDs, respectively

    (2S,1'S,2'S,3'R)-2-(2'-carboxy-3'-phenylcyclopropyl)glycine, a potent and selective antagonist of type 2 metabotropic glutamate receptors

    No full text
    The pharmacological profile of (2S,1'S,2'S,3'R)-2-(2'-carboxy-3'-phenylcyclopropyl)glycine (PCCG-IV) at metabotropic glutamate receptor (mGluR) subtypes mGluR1a, mGluR2, mGluR4a, and mGluR5 was examined. PCCG-IV potently antagonized glutamate-induced inhibition of forskolin-stimulated cAMP formation in baby hamster kidney cells expressing mGluR2 in a competitive manner (K-B = 8.2 +/- 0.4 mu M). PCCG-IV was a weak agonist at mGluR4a but inactive at the cloned phosphoinositide-coupled mGluRs (mGluR1a and mGluR5a). PCCG-IV was significantly more potent and selective as an antagonist at mGluR2 compared with previously described mGluR2 antagonists, including alpha-methyl-4-carboxyphenylglycine. In mice cortical neurons, PCCG-IV antagonized the neuroprotective effects of a selective mGluR2 agonist, (2S,1'R,2'R,3'R)-2-(2,3-dicarboxycyclopropyl)glycine, at low doses (0.2-20 mu M), whereas a higher dose of PCCG-IV (80 mu M) was similarly neuroprotective to L-2-amino-4-phosphonobutanoate. The neuroprotective effect of PCCG-IV was blocked by an antagonist of mGluR4a, alpha-methyl-4-phosphonophenylglycine. Thus, PCCG-IV is a novel and useful tool for delineating the physiological roles of group II mGluRs in the central nervous system

    DIFFERENTIAL FORMS IN CARNOT GROUPS AFTER M. RUMIN: AN INTRODUCTION

    No full text
    These notes are taken from the Master Thesis of the second author (written under the supervision of B. Franchi and P. Pansu) and are partially based on a PhD course given by the first author at the University of Bologna in 2012-2013. They are aimed to provide an elementary and comprehensive introduction to the theory of differential forms in Carnot groups and to the so-called Rumin’s complex
    corecore