During postembryonic development, all organs of a plant are ultimately derived from a few pluripotent stem cells found in specialized structures called apical meristems. Here we discuss our current knowledge about the regulation of plant stem cells and their environments with main emphasis on the shoot apical meristem of Arabidopsis thaliana. Recent studies suggest that stem cells are localized in specialized niches where signals from surrounding cells maintain their undifferentiated state. In the shoot meristem, initiation of stem cells during embryogenesis, (...) regulation of stem‐cell homeostasis and termination of stem‐cell maintenance during flower development appear to primarily involve regulation of the stem‐cell niche. BioEssays 25:961–970, 2003. © 2003 Wiley Periodicals, Inc. (shrink)

Big Ideas for Little Kids includes everything a teacher, a parent, or a college student needs to teach philosophy to elementary school children from picture books. Written in a clear and accessible style, the book explains why it is important to allow young children access to philosophy during primary-school education. Wartenberg also gives advice on how to construct a "learner-centered" classroom, in which children discuss philosophical issues with one another as they respond to open-ended questions by saying whether they agree (...) or disagree with what others have said. (shrink)

Issues of reliability are claiming center-stage in the epistemology of machine learning. This paper unifies different branches in the literature and points to promising research directions, whilst also providing an accessible introduction to key concepts in statistics and machine learning – as far as they are concerned with reliability.

This paper is an exposition and evaluation of the Agustín Rayo's views about the epistemology and metaphysics of mathematics, as they are presented in his book The Construction of Logical Space.

Human oversight has become a key mechanism for the governance of artificial intelligence (“AI”). Human overseers are supposed to increase the accuracy and safety of AI systems, uphold human values, and build trust in the technology. Empirical research suggests, however, that humans are not reliable in fulfilling their oversight tasks. They may be lacking in competence or be harmfully incentivised. This creates a challenge for human oversight to be effective. In addressing this challenge, this article aims to make three contributions. (...) First, it surveys the emerging laws of oversight, most importantly the European Union’s Artificial Intelligence Act (“AIA”). It will be shown that while the AIA is concerned with the competence of human overseers, it does not provide much guidance on how to achieve effective oversight and leaves oversight obligations for AI developers underdefined. Second, this article presents a novel taxonomy of human oversight roles, differentiated along whether human intervention is constitutive to, or corrective of a decision made or supported by an AI. The taxonomy allows to propose suggestions for improving effectiveness tailored to the type of oversight in question. Third, drawing on scholarship within democratic theory, this article formulates six normative principles which institutionalise distrust in human oversight of AI. The institutionalisation of distrust has historically been practised in democratic governance. Applied for the first time to AI governance, the principles anticipate the fallibility of human overseers and seek to mitigate them at the level of institutional design. They aim to directly increase the trustworthiness of human oversight and to indirectly inspire well-placed trust in AI governance. (shrink)

This volume is a study of the influence of Timaeus on the development of Western cosmology in three axial periods of European culture: Late Antiquity, Middle Ages and Renaissance.

It is important to take a developmental approach to the problem of analogy. One limitation of this approach, however, is that it does not deal with the complexity of making analogical inferences. There are a few key principles of analogical inference that are not well captured by the analogical relational priming (ARP) model.

Il est souvent refusé à la philosophie de tenir un discours d'affirmation de Dieu. Face à des objections d'hier et d'aujourd'hui aussi diverses que contradictoires, on veut montrer ici la légitimité d'un tel discours. Celui-ci suppose une double rupture: rupture avec une conception minimal ou formaliste de la raison qui refuse de se prononcer sur le principe de la vie; rupture avec une métaphysique intemporelle qui manque le nécessaire enracinement anthropologique de la question de Dieu.

Guy Petitdemange, actuel et talentueux rédacteur en chef de la revue Archives de Philosophie, publie dans ce gros volume quelque vingt-trois articles parus entre 1972 et 1999, concernant Rosenzweig, Benjamin, l’École de Francfort, Levinas, Ricœur, Derrida, de Certeau, ainsi qu’un inédit consacré à Merleau-Ponty. C’est donc à une traversée significative de la philosophie du XXe siècle qu’il nous ouvre, ou plutôt à une rencontre des philosophes, dans la singularité de leurs positions respective..

La seule œuvre majeure publiée par Spinoza de son vivant est le Traité théologico-politique. Il y a donc un intérêt tout spécial à étudier la correspondance du philosophe pour rechercher ce qui peut être dit de ce texte. On découvre ainsi successivement : la formulation de thèmes et d’enjeux autour desquels s’élabore le Traité; des informations historiques relatives à son contexte et à sa réception; enfin et surtout des réactions qui sont de trois types : apologétique, dialogal, interprétatif; c’est ce (...) dernier type de réaction, constitué à partir d’une lettre de Lambert Van Velthuysen, qui permet de donner l’accès le plus précis à la philosophie du traité en posant les principes de son interprétation. (shrink)

Le christianisme a pu être défini comme la religion de l'histoire parce qu'il repose sur une Alliance scellée et vécue à travers des événements passés, sans cesse réactualisés dans le présent. Cependant, le surgissement de l'histoire comme discipline a paradoxalement abouti à une « déshistoricisation » de la foi. Les christologies élaborées en confrontation à la « deuxième quête » tentèrent de revenir à la conception historique de l'existence chrétienne, mais au prix d'une théorie de la « double vérité » (...) qui tend à éluder la question de la vérité posée par le témoignage que le Nouveau Testament rend à Jésus-Christ. Pour dépasser cette difficulté, il importe de réévaluer ce qu'il en est de la scientificité des disciplines de l'histoire afin de renouer avec la conception « polémique » d'une vérité en procès qui s'atteste dans l'événement Jésus-Christ. Sur cette ligne, le systématicien reçoit la « vieille » question exégétique du Jésus historique, non comme une question de méthode, mais comme la question de la décision à laquelle tout le Nouveau Testament appelle : celle de l'identité de Jésus-Christ. Est-il cette figure à jamais disparue eet dont l'historien tente de reconstituer le passé dans une sorte d'exhumation qui jamais ne lui redonnera la vie qu'il a livrée ? Ou bien est-il le Seigneur Glorifié dont l'Ange affirme « Il est ressuscité, il n'est pas ici ».It was possible to define Christianity as a religion of history because it was based on a sealed Covenant and lived through past events, constantly re-actualized in the present. The rise of history as a discipline has, nevertheless, paradoxically ended up in a « de-historiazation » of the faith. The Christologies elaborated in confronting the « second quest » try to return to the historical conception of Christian existence, but at the price of a theory of « double truth », which tends to evade the question of the truth laid down by the testimony that the New Testament gives to Jesus Christ. To go beyond this difficulty, it is important to reevaluate one's position as regards the scientificity of the disciplines of history in order to take up again the conception « polemic » of a truth in process that is attested in the event of Jesus Christ. Along these lines, the systematician receives the « old » exegetical question of the historical Jesus, not as a question of method, but as a question of the decision to which the whole New Testament calls - that of the identity of Jesus Christ. Is he that figure that has forever disappeared and of which the historian attempts to reconstitute the past in a sort of exhumation that will never give him back the life that he gave up ? or rather is he the Glorified Lord of whom the Angel affirmed : « He is risen, he is not here ». (shrink)

Firms are increasingly personalising their offers and services, leading to an ever finer-grained segmentation of consumers online. Targeted online advertising and online price discrimination are salient examples of this development. While personalisation's overall effects on consumer welfare are expectably ambiguous, it can lead to concentration in the distribution of advertising and commercial offers. Constellations are possible in which a market is generally open to competition, but the targeted consumer is only made aware of one possible seller. For the consumer, such (...) a market could effectively resemble a monopoly. We call such extreme cases ‘targeting pockets’. Competition-law metrics such as the Herfindahl–Hirschman Index and traditional means of public oversight of adverts would not detect this concentration. We, therefore, suggest a novel metric, the Concentration-after-Personalisation Index (CAPI). The CAPI treats every consumer as a separate ‘market’, computes a measure of concentration for personalised adverts and offers for each individual consumer separately, and then averages the result to measure the exposure experienced by an average consumer. We demonstrate how the CAPI can serve as a monitoring tool for regulators and auditors and thus help to enforce existing consumer law as well as proposed new regulations such as the European Union's Digital Services Act and its Artificial Intelligence Act. We further show how adding noise via randomly distributed non-personalised adverts can dilute the potential harm of overly concentrated personalisation. We demonstrate how the CAPI can identify the optimal degree of added noise, balancing the protection of consumer choice with the economic interests of advertisers. (shrink)

Thomas Reid is now recognized as one of the towering figures of the Enlightenment. Best known for his published writings on epistemology and moral theory, he was also an accomplished mathematician and natural philosopher, as an earlier volume of his manuscripts edited by Paul Wood for the Edinburgh Reid Edition, Thomas Reid on the Animate Creation, has shown. The Correspondence of Thomas Reid collects all of the known letters to and from Reid in a fully annotated form. (...) Letters already published by Sir William Hamilton and others have been reedited, and roughly half of the letters included appear in print for the first time. Writing in 1802, Reid's disciple and biographer Dugald Stewart doubted that Reid's correspondence &"would be generally interesting.&" This collection proves otherwise, for the letters illuminate virtually every aspect of Reid's life and career and, in some instances, provide us with invaluable evidence about activities otherwise undocumented in his manuscripts or published works. Through his correspondence we can trace Reid's relations with contemporaries such as David Hume and his colleagues at both King's College, Aberdeen, and the University of Glasgow, as well as his engagement with the most controversial philosophical, scientific, and political issues of his day. If anything, the letters assembled here serve as the starting point for understanding Reid and his place in the Enlightenment. (shrink)

Glymour and Quine propose two different formal criteria for theoretical equivalence. In this paper we examine the relationships between these criteria.

Feeling good: four ways -- Finding that feeling -- The place of pleasure -- Knowing what's what -- Making things happen -- Being good -- Love and friendship -- Putting it together.

This book is a fiftieth anniversary republication of Thomas Nagel's "What Is It Like to Be a Bat?", a classic in the philosophy of mind. Through its argument for the irreducible subjectivity of consciousness, it played an essential role in making the study of consciousness a central part of philosophy, psychology, and neuroscience. It also spurred the now flourishing scientific attention to the consciousness of non-human creatures: mammals, birds, fish, mollusks, and insects. The book also includes a second essay (...) offering Nagel's more recent thoughts on the most promising positive response to the mind-body problem, as posed in the original essay. (shrink)

The purported fact that geometric theories formulated in terms of points and geometric theories formulated in terms of lines are “equally correct” is often invoked in arguments for conceptual relativity, in particular by Putnam and Goodman. We discuss a few notions of equivalence between first-order theories, and we then demonstrate a precise sense in which this purported fact is true. We argue, however, that this fact does not undermine metaphysical realism.

This paper presents a simple pair of first-order theories that are not definitionally (nor Morita) equivalent, yet are mutually conservatively translatable and mutually 'surjectively' translatable. We use these results to clarify the overall geography of standards of equivalence and to show that the structural commitments that theories make behave in a more subtle manner than has been recognized.

Thomas Reid saw the three subjects of logic, rhetoric, and the fine arts as closely cohering aspects of one endeavor that he called the culture of the mind. This was a topic on which Reid lectured for many years in Glasgow, and this volume presents as near a reconstruction of these lectures as is now possible. Though virtually unknown today, this material in fact relates closely to Reid's published works and in particular to the late Essays on the Intellectual (...) Powers of Man and Essays on the Active Powers of Man. When composing these works, Reid drew primarily on his lectures on "pneumatology," which presented a theory of the mental powers, broadly conceived. These lectures were basic to the course on the culture of the mind that explained the cultivation of the mental powers. Although the Essays also included some elements from the material on the culture of the mind, the bulk of the latter was left in manuscript form, and Alexander Broadie's edition restores this important extension of Reid's overall work. In addition, this volume continues the attractive combination of manuscript material and published work, in this case Reid's important and well-known essay on Aristotle's logic. This text was corrupted in earlier editions of Reid's works and is now restored to the state in which Reid left it. This volume underscores Reid's great and growing significance, viewed both as a historical figure and as a philosopher. At the same time, it is of great interdisciplinary importance. While the material emerges directly from the core of Reid's philosophy, as now understood, it will appeal widely to people in literary, cultural, historical, and communications studies. In this regard, the present volume is a true fruit of the Scottish Enlightenment. (shrink)

Respect, Pluralism, and Justice is a series of essays which sketches a broadly Kantian framework for moral deliberation, and then uses it to address important social and political issues. Hill shows how Kantian theory can be developed to deal with questions about cultural diversity, punishment, political violence, responsibility for the consequences of wrongdoing, and state coercion in a pluralistic society.

This book is available either individually, or as part of the specially-priced Arguments of the Philosphers Collection.

Wilhelm (Forthcom Synth 199:6357–6369, 2021) has recently defended a criterion for comparing structure of mathematical objects, which he calls Subgroup. He argues that Subgroup is better than SYM \(^*\), another widely adopted criterion. We argue that this is mistaken; Subgroup is strictly worse than SYM \(^*\). We then formulate a new criterion that improves on both SYM \(^*\) and Subgroup, answering Wilhelm’s criticisms of SYM \(^*\) along the way. We conclude by arguing that no criterion that looks only to the (...) automorphisms of mathematical objects to compare their structure can be fully satisfactory. (shrink)

Quine often argued for a simple, untyped system of logic rather than the typed systems that were championed by Russell and Carnap, among others. He claimed that nothing important would be lost by eliminating sorts, and the result would be additional simplicity and elegance. In support of this claim, Quine conjectured that every many-sorted theory is equivalent to a single-sorted theory. We make this conjecture precise, and prove that it is true, at least according to one reasonable notion of theoretical (...) equivalence. Our clarification of Quine’s conjecture, however, exposes the shortcomings of his argument against many-sorted logic. (shrink)

This paper makes an observation about the ``amount of structure'' that different classical and relativistic spacetimes posit. The observation substantiates a suggestion made by Earman and yields a cautionary remark concerning the scope and applicability of structural parsimony principles.

The Essays on the Active Powers of Man was Thomas Reid's last major work. It was conceived as part of one large work, intended as a final synoptic statement of his philosophy. The first and larger part was published three years earlier as Essays on the Intellectual Powers of Man. These two works are united by Reid's basic philosophy of common sense, which sets out native principles by which the mind operates in both its intellectual and active aspects. The (...) Active Powers shows how these principles are involved in volition, action, and the ability to judge morally. Reid gives an original twist to a libertarian and realist tradition that was prominently represented in eighteenth-century British thought by such thinkers as Samuel Clarke and Richard Price. (shrink)