Recent work on Mary Shepherd has largely focused on her metaphysics, especially as a response to Berkeley and Hume. However, relatively little attention has thus far been paid to the epistemological aspects of Shepherd’s program. What little attention Shepherd’s epistemology has received has tended to cast her as providing an unsatisfactory response to the skeptical challenge issued by Hume. For example, Walter Ott and Jeremy Fantl have each suggested that Shepherd cannot avoid Hume’s inductive skepticism even if she is granted (...) her metaphysics. In this paper, I examine Shepherd’s epistemology and argue that her response to Hume is more successful than the current literature suggests. In particular, I argue that, if Shepherd is granted her metaphysics, she can answer Hume’s demand for a rational justification of ordinary inductive inferences via a deductively justified uniformity principle and an appeal to parsimony. (shrink)

This article draws on the sociology of expectations to examine the construction of expectations of ‘ethical AI’ and considers the implications of these expectations for communication governance. We first analyse a range of public documents to identify the key actors, mechanisms and issues which structure societal expectations around artificial intelligence and an emerging discourse on ethics. We then explore expectations of AI and ethics through a survey of members of the public. Finally, we discuss the implications of our findings for (...) the role of AI in communication governance. We find that, despite societal expectations that we can design ethical AI, and public expectations that developers and governments should share responsibility for the outcomes of AI use, there is a significant divergence between these expectations and the ways in which AI technologies are currently used and governed in large scale communication systems. We conclude that discourses of ‘ethical AI’ are generically performative, but to become more effective we need to acknowledge the limitations of contemporary AI and the requirement for extensive human labour to meet the challenges of communication governance. An effective ethics of AI requires domain appropriate AI tools, updated professional practices, dignified places of work and robust regulatory and accountability frameworks. (shrink)

Several areas of welfare economics seek to evaluate states of affairs as a function of interpersonally comparable individual utilities. The aim is to map each state of affairs onto a vector of individual utilities, and then to produce an ordering of these vectors that can be represented by a mathematical function assigning a real number to each. When this approach is used in intertemporal contexts, a central theoretical question concerns the evaluative weight to be applied to utility coming at different (...) times. This question concerns the rate of pure time preference, which is one key determinant of the social discount rate. This article argues that the standard philosophical account of pure time preference is mistaken, because it ascribes to economists a methodological commitment they need not, and often do not, accept. This in turn undercuts the most common philosophical objection to pure time preference, which traces at least to Rawls’s A Theory of Justice. The article then evaluates three further objections to pure time preference, concluding that it might still be defensible under certain circumstances. The article closes by articulating a final argument that is suggested by the “Social, Economic and Ethical Concepts and Methods” chapter of the most recent Intergovernmental Panel on Climate Change report. If this further argument is sound, it would constitute a decisive objection to pure time preference as it currently figures in much intertemporal welfare economics. (shrink)

In Logic and the Way of Jesus, philosophy professor Travis Dickinson recaptures the need for a Christian view of reality, highlighting the use of reason and evidence to develop and defend Christian beliefs. He demonstrates how Jesus employed logic in his teachings, surveys the basic concepts of logic, and marries those concepts with practical application. While Dickinson contends that Christians have failed to engage the culture deeply because they have failed to emphasize and value a Christian intellect, he offers (...) encouragement that embracing the life of the Christian mind can impact the world for the cause and kingdom of Christ. (shrink)

Authored by an acclaimed teacher of quantum physics and philosophy, this textbook pays special attention to the aspects that many courses sweep under the carpet. Traditional courses in quantum mechanics teach students how to use the quantum formalism to make calculations. But even the best students - indeed, especially the best students - emerge rather confused about what, exactly, the theory says is going on, physically, in microscopic systems. This supplementary textbook is designed to help such students understand that they (...) are not alone in their confusions (luminaries such as Albert Einstein, Erwin Schroedinger, and John Stewart Bell having shared them), to sharpen their understanding of the most important difficulties associated with interpreting quantum theory in a realistic manner, and to introduce them to the most promising attempts to formulate the theory in a way that is physically clear and coherent. The text is accessible to students with at least one semester of prior exposure to quantum (or "modern") physics and includes over a hundred engaging end-of-chapter "Projects" that make the book suitable for either a traditional classroom or for self-study. (shrink)

Perhaps death’s badness is an illusion. Epicureans think so and argue that agents cannot be harmed by death when they’re alive nor when they’re dead. I argue that each version of Epicureanism faces a fatal dilemma: it is either committed to a demonstrably false view about the relationship between self-regarding reasons and well-being or it is involved in a merely verbal dispute with deprivationism. I first provide principled reason to think that any viable view about the badness of death must (...) allow that agents have self-regarding reason to avoid death if doing so would increase their total well-being. I then show that Epicurean views which do not preserve this link are subject to reductio arguments and so should be rejected. After that, I show that the Epicurean views which accommodate this desideratum are involved in a merely verbal dispute with deprivationism. (shrink)

Jury nullification refers to the behaviour of a jury that votes to acquit a defendant of criminal charges despite believing that: a) the defendant did in fact commit the actions with which she is charged; and, b) such actions are, indeed, prohibited by law. While there are many objections to this practice, the most striking thing about jury nullification is that nothing is done to actually prevent or punish jurors who behave this way. In this paper, I explore three rationales (...) for why jury nullification is an officially tolerated, if not necessarily welcome, element of Anglo-American criminal law jury trials. All three of these rationales centre in one way or another on the idea that the very concept of a jury trial necessitates allowing the jury to extend its traditional purview in such a manner. (shrink)

Efficiency and equity are central concepts for the normative assessment of health policy. Drawing on the work of academic philosophers and philosophically sophisticated economists, this article identifies important philosophical questions implicated by the notions of efficiency and equity and then summarizes influential answers to them. Promising avenues for further philosophical research are also highlighted, especially in the context of health equity and its elusive ethical foundations.

We examine the prevalent use of the phrase “local realism” in the context of Bell’s Theorem and associated experiments, with a focus on the question: what exactly is the ‘realism’ in ‘local realism’ supposed to mean? Carefully surveying several possible meanings, we argue that all of them are flawed in one way or another as attempts to point out a second premise (in addition to locality) on which the Bell inequalities rest, and (hence) which might be rejected in the face (...) of empirical data violating the inequalities. We thus suggest that the phrase ‘local realism’ should be banned from future discussions of these issues, and urge physicists to revisit the foundational questions behind Bell’s Theorem. (shrink)

In “Save the Children!” Artúrs Logins responds to my argument that, in certain cases, it is morally permissible to not prevent something bad from happening, even when one can do so without sacrificing something of comparable moral importance. Logins’ responses are thought-provoking, though I will argue that his critiques miss their mark. I rebut each of the responses offered by Logins. However, much of my focus will be on one of his criticisms which rests on an unfortunately common misunderstanding of (...) Singer’s argument in “Famine, Affluence, and Morality.” My response, then, is important not only because it salvages my positive argument, but also because it identifies, and corrects, this misunderstanding. (shrink)

Marc Lange has recently raised three objections to the account of minimal model explanations offered by Robert Batterman and Collin Rice. In this article, I suggest that these objections are misguided. I suggest that the objections raised by Lange stem from a misunderstanding of the what it is that minimal model explanations seek to explain. This misunderstanding, I argue, consists in Lange’s seeing minimal model explanations as relating special types of models to particular target systems rather than seeing minimal model (...) explanations as looking to explain robust patterns of behavior that are exhibited by a variety of physically diverse systems. (shrink)

The debate over the explanatory nature of cognitive models has been waged mostly between two factions: the mechanists and the dynamical systems theorists. The former hold that cognitive models are explanatory only if they satisfy a set of mapping criteria, particularly the 3M/3m* requirement. The latter have argued, pace the mechanists, that some cognitive models are both dynamical and constitute covering-law explanations. In this paper, I provide a minimal model interpretation of dynamical cognitive models, arguing that this both provides needed (...) clarity to the mechanist versus dynamicist divide in cognitive science and also paves the way towards further insights about scientific explanation generally. (shrink)

An abiding puzzle in the Phaedo is the transition in the text from initial pessimism about the possibility of wisdom during human life to a more optimistic view. Prominent interpretations posit different kinds or degrees of wisdom at issue in the two sets of passages. By contrast, I argue that the pessimistic view rests on the implicit premise that the soul cannot be completely purified during human life—a premise which arises from an initial conception of impurity and its cause. In (...) developing his eschatology, Socrates refines this conception and rejects the implicit premise. Because the embodied soul can be completely purified, it can achieve philosophical wisdom as well. (shrink)

A photographic journey alongside hunters in Wisconsin, Blaze Orange captures the joy, excitement, and camaraderie of deer hunting in the state.

This volume collects 17 papers on the ethics and policy of global climate change, all previously published between 1992 and 2013. It also includes a substantial introduction to the papers and a bri...

This paper proposes that an organism's integrated repertoire of operant behavior has the status of a biological system, similar to other biological systems, like the nervous, cardiovascular, or immune systems. Evidence from a number of sources indicates that the distinctions between biological and behavioral events is often misleading, engendering counterproductive explanatory controversy. A good deal of what is viewed as biological (often thought to be inaccessible or hypothetical) can become publicly measurable variables using currently available and developing technologies. Moreover, such (...) endogenous variables can serve as establishing operations, discriminative stimuli, conjoint mediating events, and maintaining consequences within a functional analysis of behavior and need not lead to reductionistic explanation. I suggest that explanatory misunderstandings often arise from conflating different levels of analysis and that behavior analysis can extend its reach by identifying variables operating within a functional analysis that also serve functions in other biological systems. (shrink)

It is shown how, starting with the de Broglie–Bohm pilot-wave theory, one can construct a new theory of the sort envisioned by several of QM’s founders: a Theory of Exclusively Local Beables (TELB). In particular, the usual quantum mechanical wave function (a function on a high-dimensional configuration space) is not among the beables posited by the new theory. Instead, each particle has an associated “pilot-wave” field (living in physical space). A number of additional fields (also fields on physical space) maintain (...) what is described, in ordinary quantum theory, as “entanglement.” The theory allows some interesting new perspective on the kind of causation involved in pilot-wave theories in general. And it provides also a concrete example of an empirically viable quantum theory in whose formulation the wave function (on configuration space) does not appear—i.e., it is a theory according to which nothing corresponding to the configuration space wave function need actually exist. That is the theory’s raison d’etre and perhaps its only virtue. Its vices include the fact that it only reproduces the empirical predictions of the ordinary pilot-wave theory (equivalent, of course, to the predictions of ordinary quantum theory) for spinless non-relativistic particles, and only then for wave functions that are everywhere analytic. The goal is thus not to recommend the TELB proposed here as a replacement for ordinary pilot-wave theory (or ordinary quantum theory), but is rather to illustrate (with a crude first stab) that it might be possible to construct a plausible, empirically viable TELB, and to recommend this as an interesting and perhaps-fruitful program for future research. (shrink)

A commentary on “Making the Case for Health‐Enhancing Laws after Bloomberg,” in the January‐February 2014issue.

Charles Travis; IX*—On Constraints of Generality, Proceedings of the Aristotelian Society, Volume 94, Issue 1, 1 June 1994, Pages 165–188, https://doi.org/10.10.

In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Ethics as a Work of Charity: Thomas Aquinas and Pagan Virtue by David DecosimoTravis KroekerEthics as a Work of Charity: Thomas Aquinas and Pagan Virtue David Decosimo stanford, ca: stanford university press, 2014. 376 pp. $65.00 / $29.95If "debeo distinguere" represents the programmatic scholarly agenda for "prophetic Thomism," over against the more mystical narrative "exitus et reditus" itinerary of Dionysian Augustinianism, David Decosmio should be considered a virtuous (...) practitioner of this Thomistic craft in the domain of political ethics. To put it more accurately, Decosimo provides a complex, lucid account of his reading of Thomas as one who tutors Christians and especially Christian ethicists through "fraternal correction" in what it means to provide a generous, charitable account of "pagan virtue" via the making of distinctions. For Decosimo the word "pagan" refers to non-Christian "outsiders"—that is, "all those without charity" (11). While that may seem to be a noncharitable way to put it, Decosimo means it to bespeak that form of charity that allows non-Christians to be and to speak as non-Christians, absent (or refusing) those virtues that Thomas calls "theological"—those habits infused supernaturally by God through the "redemptive grace" that orders and unites humans "in loving friendship with the God revealed in Jesus Christ" (11). Thomas's representative pagan is, of course, Aristotle. Decosimo insists that a correct reading of Thomas opposes both "hyper-Augustinian Thomism" (on which account non-Christians are incapable of true virtue) as well as a "public reason Thomism" (which avoids theological claims). At the same time, Decosimo claims that Thomas remains fully Augustinian in his theological account of charity and yet "unites and transforms Aristotle and Augustine alike to teach charity toward outsiders and their virtues" (1). To put it in terms of the formula Decosimo reiterates throughout the book, Aquinas "strives to be Aristotelian by being Augustinian and vice versa" (41, 70, 181 253, etc.). In so doing, he offers resources for a prophetic Thomism that more charitably navigates the church's relations to secular politics by welcoming the contributions of pagan virtue to its own Christian virtue.If "charity's scholarly work is the multiplication of distinctions" (8) then Decosimo's book is a model of charity. Decosimo works as an analytic philosopher at a high level of erudition to elucidate the linguistic and syllogistic puzzles in Thomas's accounts of virtue in a close reading of a range of works to show that, for Thomas, natural human virtue oriented toward the shared human and political good (the highest good attainable without charity) is true [End Page 199] virtue in which Christians and non-Christians, Augustinians and Aristotelians, may fully share and participate together. Indeed, the theological virtues must be devoted to the charitable interpretation of all contributions dialectically considered and ordered to the highest human good. Only by adhering to such a vision of virtue that welcomes pagan virtue will Christians practice the ethics of charity, and prophetic Thomism provides a model for how the church may engage difference in a way that honors others while being faithful to its own vision of the gift of grace.I hope it will not be taken as uncharitable or (ugh!) "hyper-Augustinian" to suggest that Decosimo's account of prophetic Thomism is more attuned to Aristotelian logic and the dialectic of definitional distinctions than it is to Augustine's more Platonic account of pagan virtue as a Dionysian erotic dialectic in which the "logos is wild." But I am in full agreement with Decosimo's claim that ethics as a work of charity ought to be open to both (and "all") in providing resources to Christian and non-Christian ethicists alike for engaging contemporary political challenges concerning otherness and difference in the service of justice.Travis KroekerMcMaster UniversityCopyright © 2018 Society of Christian Ethics... (shrink)

Research misconduct is harmful because it threatens public health and public safety, and also undermines public confidence in science. Efforts to eradicate ongoing and prevent future misconduct are numerous and varied, yet the question of “what works” remains largely unanswered. To shed light on this issue, this study used data from both mail and online surveys administered to a stratified random sample of tenured and tenure-track faculty members (N = 613) in the social, natural, and applied sciences at America’s top (...) 100 research universities. Participants were asked to gauge the effectiveness of various intervention strategies: formal sanctions (professional and legal), informal sanctions (peers), prevention efforts (ethics and professional training), and reducing the pressures associated with working in research-intensive units. Results indicated that (1) formal sanctions received the highest level of support, (2) female scholars and researchers working in the applied sciences favored formal sanctions, and (3) a nontrivial portion of the sample supported an integrated approach that combined elements of different strategies. A key takeaway for university administrators is that a multifaceted approach to dealing with the problem of research misconduct, which prominently features enhanced formal sanctions, will be met with the support of university faculty. (shrink)

The present article examines the theology of John Zizioulas with a view to understanding its coherence and viability for ecclesiology. Instead of treating his trinitarian theology, or his historical claims, I focus upon the basic themes of his personalistic ontology, especially the relationship between the ‘hypostasis’ and its ‘nature.’ I argue that Zizioulas's central concept of freedom rests upon an equivocation: he affirms both that freedom and being are identical, and that they are mutually exclusive. In conversation with the philosophy (...) of Levinas, I further argue that Zizioulas's proposal, as an ontology of communion, falls prey to the same reduction of being to thought that forms the central tenet of Western conceptions of subjectivity. In conclusion, I argue that both of these problems trade on a basic inability to account for grace as the fundamental reality of communion. Throughout my basic concern is to inquire into just what function the category of ‘being’ has in Zizioulas's theology, and to point out its surprising obscurity. (shrink)

This article considers Utopia’s unethical practices alongside The City of God’s understanding of the earthly polity’s relationship to eschatology. In Augustine’s view, within the earthly city every person could potentially become a friend of the heavenly city in time, and the existing political situation must always be rendered partial and incomplete against the telos of eternity. These convictions stand in conspicuous contrast with Utopia. The Utopian system is in important ways founded on institutionalized practices which not only exclude non-Utopians (or (...) ex-Utopians), but also habituate them to vice. Examining Utopia alongside The City of God illuminates how this ethical problem in Utopia is not just a matter of individual practices or institutions, but rather derives from a more fundamental metaphysical and theological outlook. Not only is Utopia invested in a Utopian/non-utopian distinction; more significantly, this distinction has a tacit eschatological role, since Utopian thinking implies that degradation of one’s capacity for virtue decreases one’s potential to be saved. (shrink)

The notion of faith has been variously understood throughout the course of Christian intellectual history. It has been common to construe faith in epistemological terms, especially by critics of religious faith. In this paper, I argue that faith, especially faith that is had in the context of relationships, should be understood as an act of ventured trust. This is not to say that beliefs and the evidence for the truth of those beliefs are unimportant. Indeed, I argue that acting on (...) the basis of good evidence is what makes faith virtuous. (shrink)

Dispositionalism is most often paired with some form of realism about universals, whether moderate or Platonic. However, both historically and in the contemporary literature there have been advocates of nominalist dispositionalism. Here I argue that such a combination is likely to be workable only given the truth of theism. For those already inclined to favor nominalism and dispositionalism, a novel cosmological argument for theism results. Correspondingly, for nominalists already opposed to theism, it provides new reason to oppose dispositionalism, while for (...) dispositionalists opposed to theism it provides new reason to reject nominalism. (shrink)

A subarea of the debate over the nature of evolutionary theory addresses what the nature of the explanations yielded by evolutionary theory are. The statisticalist line is that the general principles of evolutionary theory are not only amenable to a mathematical interpretation but that they need not invoke causes to furnish explanations. Causalists object that construction of these general principles involves crucial causal assumptions. A recent view claims that some biological explanations are statistically autonomous explanations (SAEs) whereby phenomena are accounted (...) for statistically and which prescind from micro-causal details. I raise three major problems for this account and then advance a view which unifies SAEs as mathematical explanations: the MSAE view. The MSAE view not only resolves the issues bedeviling the original SAE account but serves to importantly broaden the class of non-causal explanations in population biology. (shrink)

Descartes is often identified as having fired one of the opening shots of the scientific revolution: rejecting the four Aristotelian causes in favor of the efficient causes characteristic of mechanistic science. Scholars often write as if Cartesian science and corporeal metaphysics is best understood as a rejection of all causal notions other than the efficient. I argue that this is a mistake. On the contrary, Descartes endorses an avowedly Aristotelian notion of formal causality, inherited from Suárez, and this notion is (...) central to his physics and corporeal metaphysics. -/- I begin by tracing the history of the formal cause from Aristotle to Aquinas and Suárez. My main thesis here is that the Aristotelian notion of formal causation picks out two distinct explanatory modes. The first is linked to hylomorphic ontology, and so by rejecting hylomorphism Descartes rejects one sort of formal causation. Crucially, however, the Aristotelians also identify explanations from essence as a species of formal causality. Now, Descartes’s entire philosophical project is built upon the intellectual perception of the essences of God, mind, and matter; the uncovering and exercise of this broadly Platonic intellectual capacity is, as Descartes explained to Hobbes, a key raison d’être for project of the Meditations. So we might expect Descartes to embrace formal causal explanations from essence, which harmonize so thoroughly with his philosophical project. And indeed, this is what we find. This is most obvious in the case of the ontological argument. In the course of defending the claim that God is causa sui, Descartes explicitly appeals to formal causation and claims to be only be “following in the footsteps” of Aristotle. Thus, there is a Cartesian notion of formal causation that is both continuous with and distinct from its Aristotelian predecessors. -/- Other cases are less obvious, but no less important. For example, one of the most strikingly “modern” aspects of Cartesian physics is its emphasis on quantitative laws. Yet Descartes’s official account of how these laws explain particular phenomena is puzzling: He claims that the laws are causes. This, however, is prima facie absurd; Descartes seems to claim that the law of inertia is literally pushing the moon forward along its orbital path. I argue that this is not and cannot be what Descartes means. On the contrary, he clearly takes the laws of physics to follow from the divine essence, especially immutability and simplicity. The laws are true and epistemically accessible to us because they follow from the divine essence. In other words, Descartes thinks nomological explanation in physics is formal causal explanation from (the divine) essence. -/- Another central issue is the impenetrability, or solidity, of matter. I offer a close reading and reconstruction of Descartes’s argument that matter is necessarily but not essentially impenetrable, and I show how Descartes accounts for impenetrability without compromising his mathematical conception of the corporeal. Descartes argues that impenetrability follows from the nature of matter as geometrical extension, thereby reducing a paradigmatic quality of matter (its solidity) to quantity (extension). Note that the explanatory bite throughout is from essence. Thus, while solidity is not a genuine corporeal causal power, it does give bodies an ineliminable causal role in Cartesian physics and corporeal metaphysics. This role is as a formal cause, since every explanation from impenetrability is ipso facto an explanation from the corporeal essence, geometrical extension. This, in turn, shows that Descartes has a principled response to idealists, like Berkeley, who claim that matter’s lack of efficient causal power implies idealism; Berkeley’s mistake, Descartes would argue, lies in equating efficient causality with causality simpliciter. -/- Thus, I argue that formal causal explanation from essence is both well-attested textually in Descartes and is consonant with some of his deepest projects and commitments, including his Platonic intellectualism and mathematization of the corporeal. All this in mind, it is shocking how little attention has been paid to formal causation in Descartes’s metaphysics. If I am right, a thorough re-thinking of Descartes’s physics and metaphysics is long overdue. (shrink)

This book continues to be one of the more widely read books in psychology. Skinner's magnum opus is one of a handful of books that changed the face of modern psychology. The Behavior of Organisms provided the first example of the use of the operant method to measure behavioral effects of drugs and led to the development of teaching machines, programmed instruction and community treatment programs for juvenile delinquents. The functional unit Skinner defined in his doctoral dissertation and explicated in (...) The Behavior of Organisms remains the foundation of modern behavior analysis. The operant was defined as a class of behavior bearing characteristic probability relations with environmental events previously occurring after instances of members of that class. The Behavior of Organisms is a remarkably mature book written by the author when he was in his early 30s. The regularities and principles explicated in The Behavior of Organisms stand largely intact after half a century, and the analytic strategy has been highly effective. (shrink)

Paul E. Meehl and B. F. Skinner, two of the foremost psychological theorists of the 20th century, overlapped at the University of Minnesota in the early 1940s when Skinner was a faculty member and Meehl was a graduate student. Though Skinner was well aware of, and influenced by, early 20th century physiology, he eschewed reductionism, developing his analysis of behavior without reference to concepts at another level of analysis. Meehl's theoretical approach transcended levels of analysis, drawing upon data and concepts (...) from genetics, neuroscience, and psychology. In this paper the functional components of Meehl's (1990) "Toward an Integrated Theory of Schizotaxia, Schizotypy, and Schizophrenia" paper are re-formulated substituting autism as the condition of interest. Skinner's and Meehl's theoretical frameworks are integrated with recent findings in genetics and neuroscience in an attempt to better understand the reasons why Intensive Early Behavior Therapy (IEBT) provided to children with Autism Spectrum Disorders produces enduring improvements in social, language, and cognitive functioning. (shrink)

The ontology of Bohmian mechanics includes both the universal wave function and particles. Proposals for understanding the physical significance of the wave function in this theory have included the idea of regarding it as a physically-real field in its 3N-dimensional space, as well as the idea of regarding it as a law of nature. Here we introduce and explore a third possibility in which the configuration space wave function is simply eliminated—replaced by a set of single-particle pilot-wave fields living in (...) ordinary physical space. Such a re-formulation of the Bohmian pilot-wave theory can exactly reproduce the statistical predictions of ordinary quantum theory. But this comes at the rather high ontological price of introducing an infinite network of interacting potential fields which influence the particles’ motion through the pilot-wave fields. We thus introduce an alternative approach which aims at achieving empirical adequacy with a more modest ontological complexity, and provide some preliminary evidence for optimism regarding the program of trying to replace the configuration space wave function with a set of fields in ordinary physical space. (shrink)

I consider how complex logical operations might self-assemble in a signalling-game context via composition of simpler underlying dispositions. On the one hand, agents may take advantage of pre-evolved dispositions; on the other hand, they may co-evolve dispositions as they simultaneously learn to combine them to display more complex behaviour. In either case, the evolution of complex logical operations can be more efficient than evolving such capacities from scratch. Showing how complex phenomena like these might evolve provides an additional path to (...) the possibility of evolving more or less rich notions of compositionality. This helps provide another facet of the evolutionary story of how sufficiently rich, human-level cognitive or linguistic capacities may arise from simpler precursors. 1Signalling and Self-assembly2Simple Unary Logic Games3Composing Unary Functions for Binary Inputs 3.1Utilizing pre-evolved dispositions3.2Co-evolving logical dispositions3.3Learning appropriate outputs3.4Taking account of the full state-space of unary games3.5Role-free composition4Discussion 4.1Efficacy and efficiency of learning complex dispositions4.2Other binary operations4.3To infinity and beyond5Conclusion. (shrink)

Comment garantir l’objectivité de notre rapport au monde? Le rationalisme et l’empirisme renvoient, chacun à leur manière, à une capacité générale de l’esprit humain – capacité désengagée du monde, décontextualisée. La nouveauté radicale qu’introduit Wittgenstein dans sa seconde philosophie est une vision contextualiste et proprement humaine de l’objectivité.Dans cet ouvrage, issu de leçons données au Collège de France en 2002, Charles Travis prend appui sur Frege, Wittgenstein et J.L. Austin pour montrer que l’opération de désangagement du monde propre aux (...) différentes théories de la connaissance contemporaines ne permet plus à la pensée d’être objective et a fortiori d’être vraie. Elle ne permet pas de véritable rapport au monde. C’est plutôt au sein de nos pratiques les plus ordinaires que se fondent l’objectivité qui est la nôtre, la vérité, ainsi que les différents accords du monde avec le langage et la pensée. La vérité n’est pas abstraite, nos représentations sont situées. Toute signification, comme toute pensée, est sensible à l’occasion. Charles Travis propose ici une lecture originale de Wittgenstein, conjuguée à une approche particulière des grands problèmes de la philosophie analytique. (shrink)

Brian Earp and his colleagues argue in this issue’s target article that racial justice requires ending the War on Drugs. In this they are absolutely correct. Indeed, de...