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Context. The identification of the sources that reionized the Universe and their specific contribution to this process are key missing pieces of our knowledge of the early Universe. Faint star-forming galaxies may be the main contributors to the ionizing photon budget during the epoch of reionization, but their escaping photons cannot be detected directly due to inter-galactic medium opacity. Hence, it is essential to characterize the properties of faint galaxies with significant Lyman continuum photon leakage up to z 4 to (...) define indirect indicators allowing analogues to be found at the highest redshift. Aims. Long gamma-ray bursts explode typically in star-forming regions of faint, star-forming galaxies. Through LGRB afterglow spectroscopy it is possible to detect directly LyC photons. Our aim is to use LGRBs as tools to study LyC leakage from faint, star-forming galaxies at high redshift. Methods. Here we present the observations of LyC emission in the afterglow spectra of GRB 191004B at z = 3:5055, together with those of the other two previously known LyC-emitting LGRB, to determine their LyC escape fraction and compare their properties. Results. From the afterglow spectrum of GRB 191004B we determine a neutral hydrogen column density at the LGRB redshift of og =17:2 0:15, and negligible extinction. The only metal absorption lines detected are C iv and Si iv. In contrast to GRB 050908 and GRB 060607A, the host galaxy of GRB 191004B displays significant Ly emission. From its Ly emission and the non-detection of Balmer emission lines we constrain its star-formation rate to 1 SFR 4:7 M yr. 1. We fit the Ly emission with a shell model and find parameters values consistent with the observed ones. The absolute LyC escape fractions we find for GRB 191004B, GRB 050908 and GRB 060607A are of 0:35+0:10.0:11, 0:08+0:05.0:04 and :20+0:05.0:05, respectively. We compare the LyC escape fraction of LGRBs to the values of other LyC emitters found from the literature, showing that LGRB afterglows can be powerful tools to study LyC escape for faint high-redshift star-forming galaxies. Indeed we could push LyC leakage studies to much higher absolute magnitudes. The host galaxies of the three LGRB presented here have all M1600 >.19:5 mag, with the GRB 060607A host at M1600 >.16 mag. LGRB hosts may therefore be particularly suitable for exploring the ionizing escape fraction in galaxies that are too faint or distant for conventional techniques. Furthermore the time investment is very small compared to galaxy studies. (shrink)

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Originally published in Proceedings of the British Academy 60 (1974), 339-359.

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This paper examines two questions about scientists’ search for knowledge. First, which search strategies generate discoveries effectively? Second, is it advantageous to diversify search strategies? We argue pace Weisberg and Muldoon (2009) that, on the first question, a search strategy that deliberately seeks novel research approaches need not be optimal. On the second question, we argue they have not shown epistemic reasons exist for the division of cognitive labor, identifying the errors that led to their conclusions. Furthermore, we generalize the (...) epistemic landscape model, showing that one should be skeptical about the benefits of social learning in epistemically complex environments. (shrink)

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J. L. Ackrill; VIII*—Aristotle's Definitions of Psuche, Proceedings of the Aristotelian Society, Volume 73, Issue 1, 1 June 1973, Pages 119–134, https://doi.org.

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An interesting aspect of Ernest Sosa’s (2017) recent thinking is that enhanced performances (e.g., the performance of an athlete under the influence of a performance-enhancing drug) fall short of aptness, and this is because such enhanced performances do not issue from genuine competences on the part of the agent. In this paper, I explore in some detail the implications of such thinking in Sosa’s wider virtue epistemology, with a focus on cases of cognitive enhancement. A certain puzzle is then highlighted, (...) and the solution proposed draws from both the recent moral responsibility literature on guidance control (e.g., Fischer and Ravizza 1998; Fischer 2012) as well as from work on cognitive integration in the philosophy of mind and cognitive science (e.g., Clark and Chalmers 1998; Clark 2008; Pritchard 2010; Palermos 2014; Carter 2017). (shrink)

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For each [Formula: see text], let [Formula: see text] mean “the sentence [Formula: see text] is true in all [Formula: see text]-correct transitive sets.” Assuming Gödel’s axiom [Formula: see text], we prove the following graded variant of Solovay’s completeness theorem: the set of formulas valid under this interpretation is precisely the set of theorems of the linear provability logic [Formula: see text]. We also show that this result is not provable in [Formula: see text], so the hypothesis [Formula: see text] (...) cannot be removed. As part of the proof, we derive (in [Formula: see text]) the following purely modal-logical results which are of independent interest: the logic [Formula: see text] coincides with the logic of closed substitutions of [Formula: see text], and is the maximal non-degenerate, normal extension of [Formula: see text]. (shrink)

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Recent work in the philosophy of mind and cognitive science (e.g., Clark and Chalmers 1998; Clark 2010a; Clark 2010b; Palermos 2014) can help to explain why certain kinds of assertions—made on the basis of information stored in our gadgets rather than in biological memory—are properly criticisable in light of misleading implicatures, while others are not.

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J P White; The Aims of Education: three legacies of the British idealists, Journal of Philosophy of Education, Volume 12, Issue 1, 30 May 2006, Pages 5–12, http.

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This paper examines narrativism’s claim that the historical past cannot be known once and for all because it must be continuously re-described from the standpoint of the present. We argue that this claim is based on a non sequitur. We take narrativism’s claim that the past must be re-described continuously from the perspective of the present to be the result of the following train of thought: 1) “all knowledge is conceptually mediated”; 2) “the conceptual framework through which knowledge of reality (...) is mediated changes with every new generation of historians”; therefore (narrativism’s claim) “the historical past changes with every new generation of historians”. The idea of an unchanging past, for the narrativist, requires denying premise 1 (all knowledge is conceptually mediated”) and therefore rests on a problematic commitment to the chimerical notion of the past as it is in-itself, wie es eigentlich gewesen. We argue that the narrativist’s conclusion does not follow unless one adds a further premise, namely 3) “it is not possible to view reality through the categorial framework of historical agents”. If one asserts the possibility of grasping reality through the categorial framework of others, be they contemporary or past agents (as much philosophy of history written in an idealist key does), then one no longer has to accept the narrativist’s inference that since the past cannot be known in-itself or independently of conceptual mediation, then it cannot be known as it always was for the historical agents. Narrativism’s inference that the past cannot be known as it always was does not follow from premises 1 and 2 unless one smuggles in another problematic premise, premise 3. In this paper we defend the claim that the past can be known as it always was (not as it is in-itself) by invoking a different conception of the role of conceptual mediation in historical knowledge, one which assumes the possibility of viewing reality through the categorial framework of others. This notion of the role of conceptual mediation in historical knowledge is prevalent in the idealist tradition but, in the interest of brevity, we will defend this notion of mediacy by specific reference to the idealist philosophy of R.G. Collingwood. (shrink)

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Selections of works by and about J. Krishnamurti.

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In this penetrating book J. Kerby Anderson asks just how much we modern Christians can embrace emrging scientific and technological discoveries and still be true to our Lord. Kerby frames biblical answers in the light of Christ's lordship.h.

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The papers in this book address the broad issues of authority, leadership and organizational culture, whilst concentrating on other issues in-depth, such as inter-group conflict, and gender and race relations in the workplace.

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In Not God Enough, J.D. Greear explains that the thing between you and the vibrant faith you want isn't answers to all our spiritual questions, but an escape from the small God we've imagined in place of an actual encounter with the real, awesome, glorious God of the Bible.

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The suicidal proclivity of our time, writes the acclaimed philosopher J. Budziszewski, is to deny the obvious. Our hearts are riddled with desires that oppose their deepest longings, because we demand to have happiness on terms that make happiness impossible. Why? And what can we do about it? Budziszewski addresses these vital questions in his brilliantly persuasive new book, _The Line Through the Heart_. The answers can be discovered in an exploration of natural law—a venture that, with Budziszewski as our (...) expert guide, takes us through politics, religion, ethics, law, philosophy, and more. Natural law, the author states plainly but provocatively, is a _fact_ about human beings; as surely as we have hands and feet, we have the foundational principles of good and evil woven into the fabric of our minds. From this elemental fact emerges a natural law _theory_ that unfolds as part of a careful study of the human person. Thus, Budziszewski shows, natural law forms a common ground for humanity. But this common ground is slippery. While natural law is truly an observable part of human nature, human beings are hell-bent—quite literally—on ignoring it. The mere mention of the obligations imposed on man by his nature will send him into a rage. In this sense, _The Line Through the Heart _explores natural law as not simply a fact and a theory but also a _sign of contradiction_. While investigating the natural law and its implications, Budziszewski boldly confronts—and offers a newly integrated view of—a wide range of contemporary issues, including abortion, evolution, euthanasia, capital punishment, the courts, and the ersatz state religion being built in the name of religious toleration. Written in Budziszewski’s usual crystalline style, _The Line Through the Heart_ makes clear that natural law is a matter of concern not merely to scholars; it touches how each of us lives, and how all of us live _together_. His profoundly important examination of this subject helps us make sense of why habits that run against our nature have become second nature, and why our world seems to be going mad.__. (shrink)

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In lieu of an abstract, here is a brief excerpt of the content:American Journal of Philology 121.4 (2000) 549-557 [Access article in PDF] Cato Orationes 66 and the Case Against M.' Acilius Glabrio In 189 B.C.E. J. Bradford Churchill THE RACE FOR THE CENSORSHIP of 189 became the setting for one of the most dramatic domestic political disputes of the early second century. 1 M. Porcius Cato (cos. 195) was seeking the censorship, and among his competitors was another homo novus, (...) M.' Acilius Glabrio (cos. 191). Now, Cato had served as tribunus militum under the consul Glabrio during the campaign of 191 against Antiochus III in Greece. Cato had led a flanking expedition to decide the battle at Thermopylae, at the conclusion of which the king's camp was invaded and plundered. 2 Cato said that after the battle, Glabrio had embraced him and cried out that neither he nor the Roman people could repay his good services. 3 Glabrio sent Cato home with news of the victory. 4Now, in the race for the censorship of 189, public opinion was inclining in favor of Glabrio because he had conducted a lavish distribution of congiaria--vessels, perhaps precious, filled with wine or oil. The nobles among the competitors took umbrage at his being preferred to them, and two tribunes, P. Sempronius Gracchus and C. Sempronius Rutilus, brought Glabrio to trial on the charge "that there was some amount of the royal money and booty taken in the camp of Antiochus which he had neither carried in the triumph nor deposited in the treasury." 5 Legates and military tribunes were called to testify, and most visible among them was Cato, who had a reputation for integrity, but [End Page 549] because he was testifying against an opponent in a political race, his influence was diminished. The substance of Cato's testimony, as Livy summarized it, was that he had seen some gold and silver vessels among the royal booty at the sack of the camp, and had not seen them in the triumph.Glabrio withdrew from the race after a fine had been proposed and twice argued, and the case lapsed. He vilified Cato as a perjurious hypocrite for attacking a fellow homo novus for something the nobles usually passed over in silence. 6We have a fragment of a speech Cato gave against Glabrio, and his trial is the only appropriate occasion which is known to us. The fragment itself is clearly designed to set up a contrast between Cato and Glabrio, but the text is corrupt. The codex Farnesianus of Festus has the following entry (Fest. p. 268L): Penatores: qui penus gestant. Cato adversus M.' Acilium quarta: "postquam nativitas ex navibus eduxi, non ex militibus atque nautis piscatores penatores fici, sed arum dedi." First there are several problems which are relatively minor and no longer yield much controversy. The word quarta indicates there were at least four speeches "against Acilius." More often than not, this is dismissed as a simple error. 7 The word nativitas is clearly foreign to the context, and was long ago emended to navitas, as a poetic and archaic variant on nautas. 8 The transmitted fici is regularly and reasonably emended to feci. 9 [End Page 550]The more difficult question centers on the phrase sed arum dedi. André Dacier, in an early modern edition of Festus (Amsterdam 1700), emended arum to aurum. 10 Much later, Theodor Mommsen offered the conjecture arma. 11 This is now the prevailing reading, accepted most significantly by Enrica Malcovati (1953, 39) in the authoritative edition of the Oratorum Romanorum Fragmenta. 12 Maria Teresa Sblendorio Cugusi (1982, 77), following Lindsay (1913, 268), printed and obelized arum, but in her commentary (1982, 215) considered Mommsen's emendation preferable to Dacier's because the latter "appears inconsistent with the context." I intend to show that this is rather the opposite of the case, and we ought to accept Dacier's emendation. 13With Mommsen's conjecture, the passage reads: "When I brought sailors off the ships, I didn't make fishers and provisioners out of soldiers... (shrink)

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At the very end of the 19th century, Gabriele Tarde wrote that all society was a product of imitation and innovation. This view regarding the development of society has, to a large extent, fallen out of favour, and especially so in those areas where the rational actor model looms large. I argue that this is unfortunate, as models of imitative learning, in some cases, agree better with what people actually do than more sophisticated models of learning. In this paper, I (...) contrast the behaviour of imitative learning with two more sophisticated learning rules (one based on Bayesian updating, the other based on the Nash-Brown-von Neumann dynamics) in the context of social deliberation problems. I show for two social deliberation problems, the Centipede game and a simple Lewis sender-receiver game, that imitative learning provides better agreement with what people actually do, thus partially vindicating Tarde. (shrink)

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Amyotrophic lateral sclerosis (ALS; also called motor neuron disease) is a devastating medical condition that progressively robs patients of their ability to move, speak and eventually breathe. At present, many physicians are hesitant to propose tracheostomy and respiratory support in the terminal phase of ALS. In accordance with the principle of patient autonomy, physicians should respect the right of the ALS patient to accept or refuse any treatment, including mechanical ventilation. Also, in environments where euthanasia or physician-assisted death is legal, (...) such requests can be acceptable. At least two conditions are necessary for full autonomy. To have a claim on full autonomy, people need to have intact cognitive abilities, and to exercise this right they must be able to communicate. In the past, the first condition was in doubt (indeed, overlap with other neurodegenerative diseases is sometimes suspected and some patients with ALS are thought to have associated frontotemporal dementia) and the second was severely compromised in patients with devastating motor impairment (communication being limited to the twitch of a finger or the blink of an eye). In this issue of J Neurol Neurosurg Psychiatry, Lakerveld and colleagues1 investigated cognition in 11 patients with late stage ALS (see page 25). They showed preserved cognitive functioning (ie, language, executive function, intelligence, learning and long term memory) compared with healthy controls. Assessments were exclusively based on a ‘‘yes–no’’ response mode. Because of the absence of verbal and motor communication, the neuropsychological assessment of these patients is complicated, and adapted testing is needed. By using a ‘‘yes–no’’ response mode based on the remaining motor abilities of the patient, this study proves the possibility of assessing patients with minimal motor capacities. (shrink)

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Recent articles in Religious Studies have underscored the questions of whether Buddhism presents any empirical doctrines, and whether, if it does, such doctrines are false or vacuous. In what follows I want to sketch an interpretation of Buddhism according to which it does not offer doctrines which are empirically false, on the one hand, or trivially true on the other. In doing so I take my cue from an earlier, and by now classic, paper by H. H. Price. For the (...) exposition of Buddhism I take the Pali Nikāyas, the single most significant collection of texts in the Buddhist tradition. The particular doctrine which is the focus of discussion here is the kammavāda or ‘karma view’ of early Indian Buddhism, for it is the focus of much of the recent literature cited above and a doctrine which some have thought amenable to statement in empirical terms. (shrink)

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L'eschatologie a marqué la théologie chrétienne du XXe siècle. Initiateur en ce domaine, R. Bultmann entreprend une herméneutique « existentiale » et « démythologisante » de la prédication apocalyptique de Jésus, mise en lumière par J. Weiss et A. Schweitzer : en Jésus Dieu prononce la parole définitive qui m'appelle aujourd'hui à la décision de foi et à l'existence authentique. La théologie apprend ainsi à parler de Dieu avec sens en parlant de l'homme. Avec J. Moltmann, le futur est désenclavé (...) du présent où le laissait Bultmann, et l'eschatologie se fait résolument christologique en même temps qu'historique ; mais le passage de la Théologie de l’espérance au Dieu crucifié pose le problème redoutable du lien entre l’horizon de l’espérance et l'histoire abandonnée à la souffrance. Pour J. Moingt, la résurrection, fondement de la christologie, permet de relire la vie de Jésus comme l’histoire de Dieu menant avec les hommes depuis la création le combat eschatologique de la vie contre la mort.La pensée eschatologique s’élabore aussi dans la ligne des théologiens de l'histoire. O. Cullmann fait du Christ le centre de l’histoire du salut, entre un « déjà là » et un « pas encore ». Avec plus d’ambition mais aussi d’ambiguïté, W. Pannenberg situe la résurrection de Jésus, en tant qu’événement historique, au regard de l'histoire universelle dont elle anticipe la fin. La pensée eschatologique ne laisse pas de travailler également d’autres théologies, davantage marquées par les problématiques traditionnelles.Twentieth century Christian theology has been marked by eschatology. R. Bultmann, initiator in this field, underlook an “existential” and “demythologising” hermeneutic of the apocalyptic preaching of Jesus, which had been brought. to light by J. Weiss and A. Schweitzer : in Jesus God pronounces the definitive word that calls me to a decision of faith and authentic existence today. Theology thus learns to speak of God with meaning by speaking of man. With J. Moltmann, the future is freed from present, where Bultmann had left it, and eschatology became resolutely Christological at the same time as historical. But the passage from the Theology of Hope to the Crucified God poses the difficult problem of the connection between the horizon of hope and history left to suffering. For J. Moingt, the resurrection, foundation of Christology, permits a rereading of the life of Jesus as the history of God, who, from the time of creation, leads humanity in the eschatological combat of life against death.Eschatological thought also develops in the direction of theologies of history. O. Cullmann makes Christ the center of the history of salvation, between an “already here” and a “not yet”. With greater ambition but also ambiguity, W Pannenberg places the resurrection of Jesus as a historical event, in comparison with universal history, of which it anticipates the end. Eschatological thought does not fail to also influence others theologies, more marked by traditional problematics. (shrink)

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This article gives new information about the social, cultural, and political beliefs of Thomas Wilson, the first Secretary and Treasurer of the Yorkshire Geological and Polytechnic Society founded in 1837. Wilson's private correspondence was not available to J. W. Davis, who wrote the standard history of the Society to celebrate its jubilee. Davis's history underestimates the part played by Wilson and overestimates the importance of Thomas William Embleton, whose private papers were placed at Davis's disposal. It is shown that Wilson, (...) and not Embleton, was the driving force in forming and consolidating the Society, especially with respect to its early difficulties in defining even its title and aims. (shrink)

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J. Krishnamurti was one of the most influential and widely known spiritual teachers of the twentieth century. Here, he inquires with the reader into how remembering and dwelling on past events, both pleasurable and painful, give us a false sense of continuity, causing us to suffer. His instruction is to be attentive and clear in our perceptions and to meet the challenges of life directly in each new moment.

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L’attribution au jésuite Jean-Pierre Caussade, faite sans recherche suffisamment critique des sources, du célèbre Traité de l’abandon à la Providence divine est remise en cause par l’analyse sérieuse, socio-historique, sémantique et graphologique, de la tradition manuscrite ainsi que par d’autres documents d’archives, dont certains récemment découverts. Ce traité, composé directement sous forme de traité et non de recueil de lettres, semble l’œuvre d’une femme de Lorraine, laïque et cultivée, correspondante de Caussade, en lien avec les monastères de la Visitation. Héritier (...) de la tradition mystique, mais influencé par la philosophie des Lumières, cet ouvrage signale le déclin du modèle de spiritualité « dévote » qui avait cours en Europe au XVIIe siècle.The attribution of the famous Traité de l’abandon à la Providence divine which was made to the Jesuit, Jean-Pierre Caussade, without carrying on any sufficient critical research about the sources, is questioned through the serious, sociohistorical, semantic, graphological analysis of the manuscript tradition as well as the analysis of other documents, some of which have been recently discovered in the Records. This treaty, directly written as a treaty and not as a collection of letters, seems to be the work of a woman living in Lorrain, a laywoman of great culture, a correspondent of J.P. Caussade, linked with the Visitation monasteries. Bearing a legacy of the mystic tradition, but also influenced by the philosophy of the Age of Enlightenment, this work shows that the model of “devout” spirituality current in Europe in the XVIIth century is on the wane. (shrink)

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In his recent article ‘Notes Towards a Critique of Buddhist Karmic Theory’ Paul J. Griffiths makes four criticisms of Buddhist karmic theory: it is empirically false, it is incoherent, it is morally repugnant, and it is vacuous. After listing these four criticisms, Griffiths concludes that ‘all these mean that Buddhist karmic theory as expounded in the major theoretical works devoted to it must be false’.

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El texto analiza y sistematiza de un modo completo la doctrina quesustenta el deber de motivación de las sentencias judiciales en el Estadoconstitucional. Este deber se encuentra anclado al Estado de Derechoy a sus principios, valores y derechos recogidos por la Constitución,al sistema «político» de la Democracia y al sistema «jurídico» delEstado constitucional. Abordo las peculiaridades de la motivación judicialen cada una de estas dimensiones (Estado de Derecho y Constitución,sistema político y sistema jurídico), y en el ámbito del sistemajurídico, me (...) detengo especialmente en la problemática más habitual dela motivación judicial en relación a los principios de la decisión judicial(parte fáctica y parte normativa) en el ámbito de desarrollo de lapraxis jurídica. Finalmente, abordo las principales patologías de lamotivación judicial que surgen en la actividad profesional de los jueces,juezas y tribunales de justicia. (shrink)

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"This volume offers a new translation of the Neoplatonist philosopher Simplicius' commentary on the chapters concerning place and time in Aristotle's Physics, Book Four. Written after the closing of the Athenian Neoplatonist school in A.D. 529, the commentary clarifies the structure and meaning of Aristotle's arguments and provides a rich account of 800 years of interpretation." "Surprisingly, in the first five chapters of Book Four Aristotle shows place as two-dimensional: one's place is the two-dimensional inner surface of one's surroundings. He (...) also suggests that the upward motion of air and fire and the downward motion of earth and water are partly explained by the natural places to which they tend. Place thus has power (dunamis) of its own. In his last five chapters, Aristotle argues that if time did not entail change its passage would be undetectable, and that time, by definition countable, requires the existence of conscious beings to do the counting. Among the many relevant views that Simplicius records are those of Galen, who attacks this claim, and of Eudemus, who rebuts the Pythagorean theory that history will repeat itself exactly. J. O. Urmson's translation serves as a companion to his earlier translation of the Corollaries on Place and Time, in which Simplicius sets forth his own views as distinct from those of Aristotle." "A major sourcebook for the interpretation of Aristotle, this volume will be welcomed by scholars and students in the fields of classics, ancient philosophy, ancient history, and medieval studies."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved. (shrink)

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We isolate two abstract determinacy theorems for games of length $\omega_1$ from work of Neeman and use them to conclude, from large-cardinal assumptions and an iterability hypothesis in the region of measurable Woodin cardinals thatif the Continuum Hypothesis holds, then all games of length $\omega_1$ which are provably $\Delta_1$ -definable from a universally Baire parameter are determined;all games of length $\omega_1$ with payoff constructible relative to the play are determined; andif the Continuum Hypothesis holds, then there is a model of (...) ${\mathsf{ZFC}}$ containing all reals in which all games of length $\omega_1$ definable from real and ordinal parameters are determined. (shrink)

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J. R. Lucas; IV*—Mathematical Tennis, Proceedings of the Aristotelian Society, Volume 85, Issue 1, 1 June 1985, Pages 63–72, https://doi.org/10.1093/aristotelia.

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_The Collected Works of John Stuart Mill_ took thirty years to complete and is acknowledged as the definitive edition of J.S. Mill and as one of the finest works editions ever completed. Mill's contributions to philosophy, economics, and history, and in the roles of scholar, politician and journalist can hardly be overstated and this edition remains the only reliable version of the full range of Mill's writings. Each volume contains extensive notes, a new introduction and an index. Many of the (...) volumes have been unavailable for some time, but the _Works_ are now again available, both as a complete set and as individual volumes. (shrink)

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The Collected Works of John Stuart Mill took thirty years to complete and is acknowledged as the definitive edition of J.S. Mill and as one of the finest works editions ever completed. Mill's contributions to philosophy, economics, and history, and in the roles of scholar, politician and journalist can hardly be overstated and this edition remains the only reliable version of the full range of Mill's writings. Each volume contains extensive notes, a new introduction and an index. Many of the (...) volumes have been unavailable for some time, but the Works are now again available, both as a complete set and as individual volumes. (shrink)

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