In a lamellar TiAl alloy deformed at room temperature under an orientation that activates slip parallel to the interfaces, the n phase exhibits intralamellar dislocation networks parallel to the primary slip plane and entirely glissile in their habit plane. Their meshes are mainly rectangular with branches all coplanar, screw or near-screw in character and with Burgers vector of and types. Dislocation organization at and in the near-vicinity of these intralamellar networks suggests a reaction between a family of primary coplanar d (...) 011] dislocations that slip in the network habit plane and a family of dislocations that cross-slip from a plane inclined to the lamellae into the network. The reactions result in junctions with Burgers vector that subsequently transform into rectangular units. The presence of these networks is consistent with that of a residual elastic twist between adjacent n lamellae. (shrink)

Single crystal samples of n - deformed to a permanent strain of 2% at room temperature under multiple-slip conditions contain faulted dipoles whose density exhibits some dependence on load orientation. Although FDs are hard to observe after compression along [210], they are profuse and congregated in places in the [1 1 8.6] load orientation. They exhibit most of the topological characteristics of FDs formed under single slip as reported by Grégori and Veyssière such as elongation in the screw direction (...) of the primary d 011] slip direction and a noticeable shape asymmetry. It is shown further that, in the [1 1 8.6] samples, bundles of FDs originate at jogs that result from intersection with forest dislocations of appropriate Burgers vectors. A mechanism for FD nucleation is proposed on the basis of asymmetrical dissociation of the parent d 011] dislocation and specific impingements between the various partials on two adjacent octahedral planes. Implications of the FD nucleation at jogs on the load orientation dependence of the FD density are discussed. (shrink)

Tens of thousands of students have learned to be more discerning at constructing and evaluating arguments with the help of Patrick J. Hurley. Hurley’s lucid, friendly, yet thorough presentation has made A CONCISE INTRODUCTION TO LOGIC the most widely used logic text in North America. In addition, the book’s accompanying technological resources, such as CengageNOW and Learning Logic, include interactive exercises as well as video and audio clips to reinforce what you read in the book and hear in class. (...) In short, you’ll have all the assistance you need to become a more logical thinker and communicator. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version. (shrink)

This modern, advanced textbook reviews modal logic, a field which caught the attention of computer scientists in the late 1970's.

This modern, advanced textbook reviews modal logic, a field which caught the attention of computer scientists in the late 1970's.

_"One of the most important political books of 2018."—Rod Dreher, ___American Conservative__ Of the three dominant ideologies of the twentieth century—fascism, communism, and liberalism—only the last remains. This has created a peculiar situation in which liberalism’s proponents tend to forget that it _is _an ideology and not the natural end-state of human political evolution. As Patrick Deneen argues in this provocative book, liberalism is built on a foundation of contradictions: it trumpets equal rights while fostering incomparable material inequality; its (...) legitimacy rests on consent, yet it discourages civic commitments in favor of privatism; and in its pursuit of individual autonomy, it has given rise to the most far-reaching, comprehensive state system in human history. Here, Deneen offers an astringent warning that the centripetal forces now at work on our political culture are not superficial flaws but inherent features of a system whose success is generating its own failure. (shrink)

Robots today serve in many roles, from entertainer to educator to executioner. As robotics technology advances, ethical concerns become more pressing: Should robots be programmed to follow a code of ethics, if this is even possible? Are there risks in forming emotional bonds with robots? How might society--and ethics--change with robotics? This volume is the first book to bring together prominent scholars and experts from both science and the humanities to explore these and other questions in this emerging field. Starting (...) with an overview of the issues and relevant ethical theories, the topics flow naturally from the possibility of programming robot ethics to the ethical use of military robots in war to legal and policy questions, including liability and privacy concerns. The contributors then turn to human-robot emotional relationships, examining the ethical implications of robots as sexual partners, caregivers, and servants. Finally, they explore the possibility that robots, whether biological-computational hybrids or pure machines, should be given rights or moral consideration. Ethics is often slow to catch up with technological developments. This authoritative and accessible volume fills a gap in both scholarly literature and policy discussion, offering an impressive collection of expert analyses of the most crucial topics in this increasingly important field. (shrink)

As robots slip into more domains of human life - from the operating room to the bedroom - they take on our morally important tasks and decisions, as well as create new risks from psychological to physical. This book answers the urgent call to study their ethical, legal, and policy impacts.

In this ground-breaking new text, Patrick Baert analyses the central perspectives in the philosophy of social science, critically investigating the work of Durkheim, Weber, Popper, critical realism, critical theory, and Rorty's neo pragmatism. Places key writers in their social and political contexts, helping to make their ideas meaningful to students. Shows how these authors’ views have practical uses in empirical research. Lively approach that makes complex ideas understandable to upper-level students, as well as having scholarly appeal.

Soren Kierkegaard, one of the most original thinkers of the nineteenth century, wrote widely on religious, psychological, and literary themes. This book shows how Kierkegaard developed his views in emphatic opposition to prevailing opinions. His arresting but paradoxical conception of religious belief is critically discussed, and Patrick Gardiner concludes this lucid introduction by showing how Kiekegaard has influenced contemporary thought.

Descartes with his sharp separation of the mental and the physical set the stage for the philosophy of mind for the next 350 years. Philosopher Patrick T. Mackenzie finds in the later writings of Wittgenstein the suggestion that Descartes got off on the wrong foot. Following Wittgenstein's lead, Mackenzie argues that instead of analyzing our human nature as a composite of mind and body, we should view ourselves as whole persons. One of the dividends of this approach to the (...) mind-body problem is that it provides us with a resolution to the problem of human freedom—i.e., how can a human being be free if his or her body (including the brain) belongs to a deterministic world? Mackenzie here argues that the person is largely free even though the movements of the body are determined by neurophysiological events. He takes the same approach to the philosophy of mind as that taken by M.R.Bennett and P.M.S.Hacker in their recent and controversial book, The Philosophical Foundations of Neuroscience. Mackenzie's approach is, however, much more accessible. Students of philosophy and philosophers interested in the problem of human freedom will welcome Mackenzie's fresh approach, especially those disenchanted by the present list of mind-body "isms.". (shrink)

Remontant aux sources vives de la sagesse, Patrick Mandala a choisi de confronter les textes de l'Antiquité grecque et des sages de l'Inde. Les correspondances entre ces deux philosophies sont nombreuses, riches et fécondes. Le texte grec est mis en regard avec plusieurs textes indiens. A plusieurs époques, dans sa quête de la connaissance de soi, la pensée grecque a rejoint la sagesse indienne. Cette rencontre est un message intemporel et universel. Autant de textes qui amènent la réflexion et (...) la méditation la plus profonde qui répondent aux trois grandes questions de l'humanité : "D'où venons-nous? Qui sommes-nous? Où allons-nous?". (shrink)

L'économie politique, qui ose se constituer en science vers le milieu du XVIIIe siècle, n'a cessé de passionner Voltaire. S'il n'est pas un théoricien de l'économie, il en est un observateur attentif et critique, et un acteur même de l'économie pratique: financier avisé, il construit, au fil de sa longue vie, l'une des grandes fortunes du royaume. Patrick Neiertz présente ici la première étude d'ensemble des idées économiques de Voltaire en analysant l'application expérimentale qu'il fait des théories de son (...) temps (Melon, Quesnay, Turgot, Adam Smith...) dans sa propre pratique de consommateur, de gestionnaire de ses biens, enfin, d'entrepreneur. Se font jour les réactions du patriarche de Ferney aux conceptualisations économiques en formation: sur les finances publiques, sur la consommation des biens superflus, sur l'agriculture, sur l'avenir de l'industrie, sur la liberté du commerce. Il entretient auprès de ses correspondants ou lecteurs ce flux d'influence à sa manière d'écrivain, faite d'érudition et d'ironie, et à sa manière d'intellectuel engagé, en faveur de la liberté de faire comme de dire. Les idées de Voltaire sur la dette publique, sur l'assiette fiscale, sur le plein emploi, et sur le rôle de l'Etat ont une singulière modernité au siècle actuel. Son autorité n'est pas seulement celle d'un philosophe des Lumières. Elle est aussi celle d'un praticien de l'économie appliquée, 'chose qui n'est pas ordinaire aux gens de lettres'. (shrink)

By way of essays and a selection of primary sources in parallel text, Biography, Historiography, and Modes of Philosophizing provides an introduction to a vast, significant, but neglected corpus of early modern literature: collective biography. It focuses especially on the various related strands of political, philosophical, and intellectual and cultural biography as well as on the intersection between biography, historiography, and philosophy. Individual texts from the fifteenth to the eighteenth century are presented as examples of how the ancient collective biographical (...) tradition--as represented above all by Plutarch, Suetonius, Diogenes Laertius, and Jerome--was received and transformed in the Renaissance and beyond in accordance with the needs of humanism, religious controversy, politics, and the development of modern philosophy and science"--Provided by publisehr. (shrink)

Partant du débat qui oppose les orientations sémiologique et esthétique, l'auteur propose une troisième voie qui, comme les deux autres, vise à rendre compte de la perception esthétique du film, mais, au lieu de s'enfermer dans l'antinomie discours-figure, ou représentation-visibilité, problématise le fait de " l'impossible à représenter " dans sa confrontation avec le langage et le visible. Ce projet peut être considéré, selon l'auteur, comme une poétique, en un sens plus radical que la notion traditionnelle ou son prolongement chez (...) les formalistes russes, étant donné le thème de " l'articulation des signifiants à l'impossible " - une poétique qui procède de la crise de la représentation dans certains films (Duras) et trouve ses principaux instruments dans la psychanalyse. La première partie du livre explore deux propositions majeures de poétique, comme étude du discours et comme approche du sensible, puis les met à l'épreuve du cinéma de Duras, avant d'utiliser les conclusions de cette partie pour instaurer un débat épistémologique autour de la théorie psychanalytique du sujet divisé, laquelle permet d'accéder à la problématique centrale du livre : la rencontre avec le réel comme impossible. Cette perspective renvoie aux travaux de Jacques Lacan sur lesquels l'auteur se fonde pour introduire sa contribution la plus personnelle : le projet d'une nouvelle poétique du cinéma. (shrink)

As this inspiring book shows, the secret of this perennial wisdom is of an imaginative insight: a simple way of seeing that re-enchants our existence and ...

In diesem Beitrag wollen wir zeigen, wieso die Fachdidaktik Philosophie und Ethik (neue) Ansätze entwickeln muss, um dem Anspruch auf (philosophische) Bildung von Menschen mit sonderpädagogischem Förderbedarf gerecht zu werden. Dafür zeigen wir anhand von Schüler_innen mit eingeschränkten Kommunikationsmöglichkeiten auf, wie Philosophieren mit ihnen dennoch möglich ist. Gleichzeitig wenden wir uns im Beitrag dem Haupteinwand zu, der darin besteht, dass Philosophieren mit dieser Schüler_innengruppe nicht möglich sei. Wir erklären unter welchen Umständen dieser Einwand nicht aufrecht erhalten werden sollte, sondern vielmehr (...) eine moralische Pflicht besteht, Menschen mit Behinderung philosophische Bildungsprozesse zu ermöglichen. (shrink)

" Je parle. Mes mots sont des pensées qui représentent. Dans leur essence même, ces pensées sont des énoncés vrais. Il est impossible en effet que ces mots qui s'imposent au nom de ma pensée puissent, dans leur évocation même, témoigner du faux. Comment l'acte de penser, dans ce qui l'institue comme énoncé encore une fois, pourrait-il m'abuser à travers ce qui constitue son acte même d'énonciation? " Que l'on ait pu parler de " mort de la métaphysique " est (...) absolument invraisemblable ; la métaphysique, en effet, n'a jamais été aussi " vivante " qu'aujourd'hui. Que l'on puisse, tout pareillement, imaginer que l'action aujourd'hui nécessaire à effectuer dans tous les domaines du savoir soit celle d'une " déconstruction " est tout aussi déconcertant ; il s'agit bien plutôt de tout l'inverse : de reconstruire. Non pas tellement de reconstruire des modes de savoir " nouveaux " mais, plus exactement, de reconstruire les questions de méthode par lesquelles nous pensons savoir. (shrink)

Why do humans make music? Theories of the evolution of musicality have focused mainly on the value of music for specific adaptive contexts such as mate selection, parental care, coalition signaling, and group cohesion. Synthesizing and extending previous proposals, we argue that social bonding is an overarching function that unifies all of these theories, and that musicality enabled social bonding at larger scales than grooming and other bonding mechanisms available in ancestral primate societies. We combine cross-disciplinary evidence from archeology, anthropology, (...) biology, musicology, psychology, and neuroscience into a unified framework that accounts for the biological and cultural evolution of music. We argue that the evolution of musicality involves gene–culture coevolution, through which proto-musical behaviors that initially arose and spread as cultural inventions had feedback effects on biological evolution because of their impact on social bonding. We emphasize the deep links between production, perception, prediction, and social reward arising from repetition, synchronization, and harmonization of rhythms and pitches, and summarize empirical evidence for these links at the levels of brain networks, physiological mechanisms, and behaviors across cultures and across species. Finally, we address potential criticisms and make testable predictions for future research, including neurobiological bases of musicality and relationships between human music, language, animal song, and other domains. The music and social bonding hypothesis provides the most comprehensive theory to date of the biological and cultural evolution of music. (shrink)

The Polymath Project is an online collaborative enterprise that was initiated in 2009, when Timothy Gowers asked whether and how groups could work together to solve mathematical problems that “do not naturally split up into a vast number of subtasks.” Gowers proposed to answer this question himself by actually trying to set up such a collaboration, based on interactions taking place in the comment-threads of a series of posts on a WordPress blog. Hence, the first project officially started in early (...) 2009, to be proclaimed successful only 6 weeks later (Gowers and Nielsen 2009). From its inception until April 2018, 15 more Polymath problems (and a handful of smaller or related ones) have been launched. These projects have attracted attention from different scholarly communities, including the philosophy of mathematical practices, from the perspective of which the Polymath Project can be seen as a vast repository of mathematics in action. This chapter continues previous work by its authors on the topic in question and topics related. More specifically, for the purposes of this volume, it is our aim to both summarize and expand upon these earlier contributions. The starting point is the above observation that in the past decade, the issue of “massively collaborative mathematics” (to be qualified below) has drawn quite some attention. However, does it also warrant intensive philosophical attention in particular? For, as exciting as these developments might be from mathematical and other points of view, the enhanced possibilities that have come with it do not per se give rise to any philosophical import. In Van Bendegem (2011), one of us has indeed tentatively argued for the philosophical relevance of these new dynamics of proof construction flowing from the wide availability and efficiency of Internet technology. We shall below briefly rehearse and update the argument given there. (shrink)

Conspiracy theories are rather a popular topic these days, and a lot has been written on things like the meaning of _conspiracy theory_, whether it’s ever rational to believe conspiracy theories, and on the psychology and demographics of people who believe conspiracy theories. But very little has been said about why people might be led to posit conspiracy theories in the first place. This paper aims to fill this lacuna. In particular, I shall argue that, in open democratic societies, citizens (...) justifiably presuppose that the epistemic authorities—journalists, academics, scientists, and so on—are engaged in a good faith pursuit of the truth. This presupposition generates certain normative expectations on the behaviors of the epistemic authorities—they ought to be open to new evidence, possess a healthy degree of skepticism, be willing to engage with opponents, and so on. So, when an epistemic authority is presented with some putatively anomalous data or an alternative hypothesis for some event or phenomena, people expect the epistemic authority to respond in a way that is consonant with these norms. In some instances, however, the epistemic authorities do not respond in this way and instead are dogmatic, dismissive, and engage in _ad hominem_. From the point of view of the citizen, there’s a tension here between how the epistemic authorities ought to behave and how they have, in fact, behaved which is best resolved either by taking the epistemic authorities less seriously or by positing a conspiracy theory. Put another way, the failure of the epistemic authorities to adhere to the norms by which we take them to be governed when presented with apparent anomalies or alternative hypotheses is one reason for which one might initially posit a conspiracy theory. (shrink)

Abstract: The core aim of this special issue is to present the philosophy of information as a way of doing philosophy, to focus on the contributions of Luciano Floridi to that area, and most important, to stimulate the debate on the most distinctive and controversial views he has defended in that context. This introduction contains a description of the philosophy of information, a discussion of two common misconceptions about the scope and the ambition of the philosophy of information, and a (...) brief overview of the essays in the issue. (shrink)

We argue that Reasons Fundamentalism, as defended by T.M. Scanlon, faces two important difficulties—one ontological, the other epistemological—namely the ontological proliferation problem and the reliability challenge. We suggest that formal constructivism can avoid these difficulties, and that Scanlon would do well to adopt it. We also show that Scanlon’s three main objections to this view depend either on a misunderstanding of what formal constructivism is or on a question-begging argument in favour of realism.

The logic of ‘being informed’ gives a formal analysis of a cognitive state that does not coincide with either belief, or knowledge. To Floridi, who first proposed the formal analysis, the latter is supported by the fact that unlike knowledge or belief, being informed is a factive, but not a reflective state. This paper takes a closer look at the formal analysis itself, provides a pure and an applied semantics for the logic of being informed, and tries to find out (...) to what extent the formal analysis can contribute to an information-based epistemology. (shrink)

Linear logic, introduced by Girard, is a refinement of classical logic with a natural, intrinsic accounting of resources. This accounting is made possible by removing the ‘structural’ rules of contraction and weakening, adding a modal operator and adding finer versions of the propositional connectives. Linear logic has fundamental logical interest and applications to computer science, particularly to Petri nets, concurrency, storage allocation, garbage collection and the control structure of logic programs. In addition, there is a direct correspondence between polynomial-time computation (...) and proof normalization in a bounded form of linear logic. In this paper we show that unlike most other propositional logics, full propositional linear logic is undecidable. Further, we prove that without the modal storage operator, which indicates unboundedness of resources, the decision problem becomes PSPACE-complete. We also establish membership in NP for the multiplicative fragment, NP-completeness for the multiplicative fragment extended with unrestricted weakening, and undecidability for fragments of noncommutative propositional linear logic. (shrink)

The Handbook of Modal Logic contains 20 articles, which collectively introduce contemporary modal logic, survey current research, and indicate the way in which the field is developing. The articles survey the field from a wide variety of perspectives: the underling theory is explored in depth, modern computational approaches are treated, and six major applications areas of modal logic (in Mathematics, Computer Science, Artificial Intelligence, Linguistics, Game Theory, and Philosophy) are surveyed. The book contains both well-written expository articles, suitable for beginners (...) approaching the subject for the first time, and advanced articles, which will help those already familiar with the field to deepen their expertise. Please visit: http://people.uleth.ca/~woods/RedSeriesPromo_WP/PubSLPR.html - Compact modal logic reference - Computational approaches fully discussed - Contemporary applications of modal logic covered in depth. (shrink)

Informational semantics were first developed as an interpretation of the model-theory of substructural (and especially relevant) logics. In this paper we argue that such a semantics is of independent value and that it should be considered as a genuine alternative explication of the notion of logical consequence alongside the traditional model-theoretical and the proof-theoretical accounts. Our starting point is the content-nonexpansion platitude which stipulates that an argument is valid iff the content of the conclusion does not exceed the combined content (...) of the premises. We show that this basic platitude can be used to characterise the extension of classical as well as non-classical consequence relations. The distinctive trait of an informational semantics is that truth-conditions are replaced by information-conditions. The latter leads to an inversion of the usual order of explanation: Considerations about logical discrimination (how finely propositions are individuated) are conceptually prior to considerations about deductive strength. Because this allows us to bypass considerations about truth, an informational semantics provides an attractive and metaphysically unencumbered account of logical consequence, non-classical logics, logical rivalry and pluralism about logical consequence. (shrink)

This essay addresses a stream of thought manifested in some forms of social justice activism – namely, that members of marginalized groups have privileged insight into the nature of social reality which others cannot understand, much less critique. This position, which I call “epistemic isolationism,” seems to rest on the claim that the knowledge that is embedded in lived experience is incommunicable. The essay proceeds in three parts: first, there is a brief overview of standpoint epistemology, including a recent version (...) which seems to support epistemic isolationism. Second, there is an explication of the concept of “lived experience” as developed by Wilhelm Dilthey. Third, there is an argument against the claim that lived experience is incommunicable, drawing from the work of Dilthey, Hans-Georg Gadamer, and Paul Ricoeur. The payoff of the argument is that sharing lived experience through expressions like literature and narrative inspires mutual recognition and respect which can, in turn, support a robust form of solidarity and serve as a foundation for more effective social justice advocacy. (shrink)

Presents a new interpretation of Aristotle's Analytics (the Prior and Posterior Analytics) as a unified whole, and argues that to "loose up" or solve—rather than to reduce or break up—is the principle meaning which best characterizes the Analytics.

One important task of metaphysics is to answer the question of what it is for an object to exist. The first part of this book offers a systematic reconstruction and critique of contemporary views on existence. The upshot of this part is that the contemporary debate has reached an impasse because none of the considered views is able to formulate a satisfactory answer to this fundamental metaphysical question. The second part reconstructs Thomas Aquinas’s view on existence (esse) and argues that (...) it contributes a new perspective which allows us to see why the contemporary debate has reached this impasse. It has come to this point because it has taken a premise for granted which Aquinas’s view rejects, namely, that the existence of an object consists in something’s having a property. A decisive contribution of Aquinas’s theory of esse is that it makes use of the ideas of metaphysical participation and composition. In this way, it can be explained how an object can have esse without being the case that esse is a property of it. This book brings together a reconstruction from the history of philosophy with a systematic study on existence and is therefore relevant for scholars interested in contemporary or medieval theories of existence. (shrink)

This paper develops and refines the suggestion that logical systems are conceptual artefacts that are the outcome of a design-process by exploring how a constructionist epistemology and meta-philosophy can be integrated within the philosophy of logic.

"I think this is an outstanding book. The coverage is comprehensive, the lines of thought and exposition are clear, and the level of discussion is very high yet remarkably lively and accessible. It has an underlying intellectual seriousness and engagement which shines out through the individual chapters, and the author's unwillingness to make do with secondary analyses and received ideas gives it a strength and freshness of approach which is extremely welcome." -- Professor William Outhwaite, University of Sussex Social Theory (...) in the Twentieth Century offers an easy-to-read but provocative account of the development of social theory. Patrick Baert covers a wide range of key figures and schools of thought, including Giddens, Foucault and Habermas. Written in a lively style and avoiding jargon, this book is aimed at students who wish to understand the main debates and dilemmas driving social theory. Rather than providing a neutral summary of the different thinkers and theories, Baert challenges the conventional readings of social theory with new and original interpretations. In effect, he bridges the gap between philosophy and social theory by placing the theoretical views within wider historical traditions. Social Theory in the Twentieth Century will undoubtedly become the standard introduction to social theory for students in sociology, politics, and anthropology. (shrink)

Many philosophers assume that philosophical theories about the psychological nature of moral judgment can be confirmed or disconfirmed by the kind of evidence gathered by natural and social scientists (especially experimental psychologists and neuroscientists). I argue that this assumption is mistaken. For the most part, empirical evidence can do no work in these philosophical debates, as the metaphorical heavy-lifting is done by the pre-experimental assumptions that make it possible to apply empirical data to these philosophical debates. For the purpose of (...) this paper, I emphasize two putatively empirically-supported theories about the psychological nature of moral judgment. The first is the Sentimental Rules Account, which is defended by Shaun Nichols. The second is defended by Jesse Prinz, and is a form of sentimentalist moral relativism. I show that both of the arguments in favour of these theories rely on assumptions which would be rejected by their philosophical opponents. Further, these assumptions carry substantive moral commitments and thus cannot be confirmed by further empirical investigation. Because of this shared methodological assumption, I argue that a certain form of empirical moral psychology rests on a mistake. (shrink)