Safe stair negotiation is an everyday task that children with developmental coordination disorder are commonly thought to struggle with. Yet, there is currently a paucity of research supporting these claims. We investigated the visuomotor control strategies underpinning stair negotiation in children with and without DCD by measuring kinematics, gaze behavior and state anxiety as they ascended and descended a staircase. A questionnaire was administered to determine parents' confidence in their child's ability to safely navigate stairs and their child's fall history. (...) Kinematics were measured using three-dimensional motion capture, whilst gaze was measured using mobile eye-tracking equipment. The parents of DCD children reported significantly lower confidence in their child's ability to maintain balance on the stairs and significantly more stair-related falls in the previous year compared to the parents of typically developing children. During both stair ascent and stair descent, the children with DCD took longer to ascend/descend the staircase and displayed greater handrail use, reflecting a more cautious stair negotiation strategy. No differences were observed between groups in their margin of stability, but the DCD children exhibited significantly greater variability in their foot-clearances over the step edge, which may increase the risk of a fall. For stair descent only, the DCD children reported significantly higher levels of state anxiety than the TD children and looked significantly further along the staircase during the initial entry phase, suggesting an anxiety-related response that may bias gaze toward the planning of future stepping actions over the accurate execution of an ongoing step. Taken together, our findings provide the first quantifiable evidence that safe stair negotiation is a significant challenge for children with DCD, and that this challenge is reflected by marked differences in their visuomotor control strategies and state anxiety levels. Whilst it is currently unclear whether these differences are contributing to the frequency of stair-related falls in children with DCD, our findings pave the way for future research to answer these important questions. (shrink)

This book considers the cultural legacy of the Keynesian Revolution in economics. It assesses the impact of Keynes and Keynesian thinking upon economics and policy, as well as the response of the Chicago and Austrian schools, and the legacy of all three in shaping economic life. The book is a call to restore economics to its roots in moral and cultural knowledge, reminding us that human beings are more than consumers. The Keynesian Revolution taught us that we should be happy (...) if we are prosperous, but instead we feel hollow and morally anxious – our economy feels empty. Drawing on paradigms from earlier historical periods while affirming modern market systems, this book encourages a return to a view of human beings as persons with the right and responsibility to discover, and do, the things in life that are intrinsically good and enduring. Because in the long run, the legacy of our choices will continue long after “we’re all dead.”. (shrink)

In its comprehensive overview of Alain Locke's pragmatist philosophy this book captures the radical implications of Locke's approach within pragmatism, the critical temper embedded in Locke's works, the central role of power and empowerment of the oppressed and the concept of broad democracy Locke employed.

According to one tradition in realist philosophy, 'truthmaking' amounts to necessitation. That is, an object x is a truthmaker for the claim A if x exists, and the existence of x necessitates the truth of A. I argued in my paper "Truthmakers, Entailment and Necessity" [14], that if we wish to use this account of truthmaking, we ought understand the entailment connective "=>" in such a claim as a relevant entailment, in the tradition of Anderson and Belnap and their co-workers (...) [1, 2, 8, 11]. Furthermore, I proposed a number of theses about truthmaking as necessitation. The most controversial of these is the disjunction thesis: x makes a disjunction A v B true if and only if it makes one of the disjuncts (A or B) true. That paper left one important task unfinished. I did not explain how the theses about truthmaking could be true together. In this paper I give a consistency proof, by providing a model for the theses of truthmaking in my earlier paper. This result does two things. First, it shows that the theses of truthmaking are jointly consistent. Second, it provides an independently philosophically motivated formal model for relevant logics in the 'possible worlds' tradition of Routley and Meyer [8, 16, 17]. (shrink)

Let E be a Σ1 1 equivalence relation for which there does not exist a perfect set of inequivalent reals. If 0# exists or if V is a forcing extension of L, then there is a good ▵1 2 well-ordering of the equivalence classes.

We gain new insight by returning to W. V. Quine’s first objection to quantified modal logic, a logic due to Ruth Marcus. After noting that much of Quine’s objection does not actually apply to that initial logic, I establish that, in any case, there was always an easy answer to Quine’s interpretive challenge that (i) was of the sort he called for and (ii) that he should probably have seen. The investigation yields a diagnosis of the underlying mistake Quine was (...) making in all his objections to modal logic and _de re_ modality generally—a mistake still being made today. (shrink)

Let κ and λ be infinite cardinals, F a filter on κ, and G a set of functions from κ to κ. The filter F is generated by G if F consists of those subsets of κ which contain the range of some element of G. The set G is $ -closed if it is closed in the $ -topology on κ κ. (In general, the $ -topology on IA has basic open sets all Π i∈ I U i such (...) that, for all $i \in I, U_i \subseteq A$ and $|\{i \in I: U_i \neq A\}| .) The primary question considered in this paper asks "Is there a uniform ultrafilter on κ which is generated by a closed set of functions?" (Closed means $ -closed.) We also establish the independence of two related questions. One is due to Carlson: "Does there exist a regular cardinal κ and a subtree T of $^{ such that the set of branches of T generates a uniform ultrafilter on κ?"; and the other is due to Pouzet: "For all regular cardinals κ, is it true that no uniform ultrafilter on κ is analytic?" We show that if κ is a singular, strong limit cardinal, then there is a uniform ultrafilter on κ which is generated by a closed set of increasing functions. Also, from the consistency of an almost huge cardinal, we get the consistency of CH + "There is a uniform ultrafilter on ℵ 1 which is generated by a closed set of increasing functions". In contrast with the above results, we show that if κ is any cardinal, λ is a regular cardinal less than or equal to κ and P is the forcing notion for adding at least $(\kappa^{ generic subsets of λ, then in V P , no uniform ultrafilter on κ is generated by a closed set of functions. (shrink)

Popper's account of refutation is the linchpin of his famous view that the method of science is the method of conjecture and refutation. This thesis critically examines his account of refutation, and in particular the practice he deprecates as avoiding a refutation. I try to explain how he comes to hold the views that he does about these matters; how he seeks to make them plausible; how he has influenced others to accept his mistakes, and how some of the ideas (...) or responses to Popper of such people are thus similarly mistaken. I draw some distinctions necessary to the provision of an adequate account of the so-called practice of avoiding a refutation, and try to rid the debate about this practice of at least one red herring. I analyse one case of 'avoiding' a refutation in detail to show how the rationality of scientific practice eludes both Popper and many of his commentators. Popper's skepticism about contingent knowledge prevents him from providing an acceptable account of contingent refutation, and so his method is really the method of conjecture and conjecture. He cannot do without the concepts of knowledge and refutation, however, if his account of science is to be plausible or persuasive, and so he equivocates between, amongst other things, refutation as disproof and refutation as the weaker notion of discorroboration. I criticise David Stove's account of this matter, in particular to show how he misses this point. An additional advantage Popper would secure from this equivocation is that if refutations were mere discorroborations they would be easier to achieve, and hence more common in science, than is the case. On Popper's weak notion of refutation, it would be possible to refute true theories since corroboration does not entail truth. There are two other related doctrines Popper holds about refutation which, if accepted, make some refutations seem easier to obtain than is the case. I call these doctrines 'Strong Popperian Falsificationism' (SPF) and 'Weak Popperian Falsificationism' (WPF). SPF is the false doctrine that if a prediction from some theory is refuted then that theory is refuted. Popper does not always endorse SPF. In particular, when confronted with a counterexample to it, he retreats to WPF, which is the false doctrine that if a prediction from some theory is refuted then that theory is prima facie refuted. WPF , or even SPF, can seem plausible if one has in mind predictions derived from theories in strong or conclusive tests of those theories, which I suggest Popper characteristically does. v Popper is disposed to describe any such case of predictive failure which does not lead to the refutation of the theory concerned as one in which that refutation has been avoided. To reinforce his portrayal of the refutation, or the attempted refutation, of major scientific theories as the rational core of scientific practice, Popper treats the so-called practice of avoiding a refutation as untypical of science, and much so-called avoidance he dismisses as unscientific or pseudo-scientific. I argue that his notion of avoiding a refutation is incoherent. Popper is further driven to believe that such avoidance is possible, however, because he conflates sentences with propositions and propositions with propositional beliefs. Also, he wishes to avoid being saddled with the relativisim that is a consequence of his weak account of refutation as discorroboration. Popper believes that ad hoc hypotheses are the most important of the unscientific means of avoiding a refutation. I argue that his account of such hypotheses is also incoherent, and that several hypotheses thought to be ad hoc in his sense are not. Such hypotheses appear to be so largely because of Popper's use of rhetoric and partly because these hypotheses are unacceptable for other reasons. I conclude that to know that a hypothesis is ad hoc in Popper's sense does not illuminate scientific practice. Popper has also attempted to explicate ad hocness in terms of some undesirable, or allegedly undesirable, properties of hypotheses or the explanations they would provide. The first such property is circularity, which is undesirable; the second such property is reduction in empirical content, which is not. In the former case I argue that non-circularity is clearly preferable to non-ad hocness as a criterion for a satisfactory explanation or explanans, as the case may be, and in the latter case that Popper is barking up the wrong tree. Some cases of so-called avoidance are obviously not unscientific. The discovery of Neptune from a prediction based on the reasonable belief that there were residual perturbations in the motion of Uranus is an important case in point, and one that is much discussed in the literature. The manifest failure of astronomers to account for Uranus's motion did not lead to the refutation of Newton's law of gravitiation, yet significant scientific progress obviously did result. Retreating to WPF, Popper claims that Newton's law was prima facie refuted. In general, astronomers have never shared this view, and they are correct in not doing so. I argue that the law of gravitation would have been prima facie refuted only if there had been good reason at the time to believe as false what is true, namely, that an unknown trans-Uranian planet was the cause of those Uranian residuals. Knowledge of the trans-Uranian region was then so slight that it was merely a convenient assumption, one which there was little reason to believe was false, that the known influences on Uranus's motion were the only such influences. I conclude that in believing vi or supposing that it was this assumption that was false, rather than the law of gravitation, Leverrier and Adams, the co-predictors of Neptune, were acting rationally and intelligently. Popper's commentators offer a variety of accounts of the alleged practice of avoiding a refutation, and of this case in particular. I analyse a sample of their accounts to show how common is the acceptance of some of Popper's basic mistakes, even amongst those who claim to reject his falsificationism, and to display the effects on their accounts of this acceptance of his mistakes. Many commentators recognize that anomalies are typically dealt with by changes in the boundary conditions or in other of the auxiliary propositions employed. Where many still go wrong, however, is in retaining the presupposition of WPF which encouraged Popper to hold the contradictory view about anomalies in the first place. Thus Imre Lakatos and others, for example, have developed a 'siege mentality' about major scientific theories; they see them as under continual threat of refutation from anomalies, and so come to believe that dogmatism is essential in science if such theories are to survive as they do. I examine various such doomed attempts to reconcile Popper with the history of science. It is a common failure in this literature to conflate or to fail to see the need to distinguish a belief from a supposition, and an epistemic reason from a pragmatic reason. I argue that only if one does draw these distinctions can one give an adequate account of how anomalies are rationally dealt with in science. The other important strand in Popper's thinking about 'avoidance' of refutation which has seriously misled some of his commentators is his unfounded belief in the dangers of ad hoc hypotheses. I examine the accounts that a sample of such commentators provide of the trans-Uranian planet hypotheses of Leverrier and Adams. These commentators imply or assert what Popper only hints at, namely, that there is something fishy about this hypothesis. I provide a further defence of the rationality of entertaining this hypothesis at the time. I conclude with a few remarks about Popper's dilemma in respect of scientific practice and his long standing emphasis on refutations. (shrink)

In his landmark article, “Two Dogmas of Empiricism,” W.V.O. Quine pushed analytical philosophy into its post-positivist phase by rejecting two central tenets of logical empiricism. The first dogma was the distinction between analytic and synthetic statements; the second was reductionism, or the belief that to each synthetic sentence there corresponds a set of experiences that will confirm or disconfirm it. But in both “Two Dogmas” and Word and Object, Quine stretches analytical philosophy to its limits. The problem is, ironically, his (...) adherence to two separate dogmas. The first stems from Quine’s empiricism: he insists that there is nothing more to meaning than the empirical method of discovering it. The second has been taken as the defining characteristic of analytical philosophy;2 it is the belief that a philosophical account of thought can only be attained through an account of language – the famed “linguistic turn.” I will argue that a philosophical account of language can only be attained given an account of thought,3 and that the philosophies of Kant and Davidson can help us construct such an account. (shrink)

We present several generalizations of the well-known Kunen inconsistency that there is no nontrivial elementary embedding from the set-theoretic universe V to itself. For example, there is no elementary embedding from the universe V to a set-forcing extension V[G], or conversely from V[G] to V, or more generally from one set-forcing ground model of the universe to another, or between any two models that are eventually stationary correct, or from V to HOD, or conversely from HOD to V, or indeed (...) from any definable class to V, among many other possibilities we consider, including generic embeddings, definable embeddings and results not requiring the axiom of choice. We have aimed in this article for a unified presentation that weaves together some previously known unpublished or folklore results, several due to Woodin and others, along with our new contributions. (shrink)

Jednym z głównych pytań w filozofii logiki jest to, czy jest jedna, czy wiele logik. Pytanie to doczekało się różnych odpowiedzi, które formułują opozycyjne stanowiska: monizm logiczny contra pluralizm logiczny. Za reprezentatywnego przedstawiciela monizmu uznawany jest Willard Van Orman Quine, a pluralizmu — Susan Haack. Oba te stanowiska są kontynuowane współcześnie: monizm (m.in. Michael Dummett, Graham Priest, Timothy Williamson) oraz pluralizm (m.in. Jc Beall i Greg Restall, Johan van Benthem, Ottavio Bueno i Scott Shalkovski, Stewart Shapiro i Roy Cook). (...) Monizm jest znacznie mniej preferowany niż pluralizm. W artykule wskazano na źródła pluralizmu w logice (m.in. wieloznaczność spójników języka naturalnego, prawdy i wynikania) oraz przywołano argumentacje wybranych przedstawicieli tego stanowiska. (shrink)

In the early 2000s, Greg Frost-Arnold and Paulo Mancosu each independently discovered Rudolf Carnap's shorthand notes of conversations that Carnap had with Alfred Tarski and W. V. Quine during the...

In In V Metaphysics, lec. 9, Aquinas distinguishes between “being by accident” (ens per accidens) and “being by itself” (ens per se) and includes the nine accidental categories under the latter. But isn’t substance a being per se while accidents are, by definition, accidental beings? Several authors—including Ralph McInerny, Paul Symington, and Greg Doolan—have offered explanations of this strange classification. Drawing on an overlooked parallel text in the Posterior Analytics commentary and on Aquinas’s critique of Avicenna’s understanding of accidental (...) denominatives, this paper presents an alternative explanation of the lecture. In the process, it clarifies how Aquinas views the relation of the ten categories to predication and suggests important implications for how we should understand the analogy of being and the phrase “substantial being” (esse substantiale). -/- [Winner of the Leo Elder's Junior Scholar Essay Contest (2024)]. (shrink)

Abstract:The distinction between brute luck and option luck is fundamental for luck egalitarianism. Many luck egalitarians write as if it could be used to specify which outcomes people should be held responsible for. In this paper, I argue that the distinction can’t be used this way. In fact, luck egalitarians tend to rely instead on rough intuitive judgements about individual responsibility. This makes their view vulnerable to what’s known as theneutrality objection. I show that attempts to avoid this objection are (...) unsuccessful. I conclude that until it provides a better account of attributing responsibility, luck egalitarianism remains incomplete. (shrink)

In the distribution of resources, persons must be respected, or so many philosophers contend. Unfortunately, they often leave it unclear why a certain allocation would respect persons, while another would not. In this paper, we explore what it means to respect persons in the distribution of scarce, life-saving resources. We begin by presenting two kinds of cases. In different age cases, we have a drug that we must use either to save a young person who would live for many more (...) years or an old person who would only live for a few. In different numbers cases, we must save either one person or many persons from certain death. We argue that two familiar accounts of respect for persons―an equal worth account, suggested by Jeff McMahan, and a Kantian account, inspired by the Formula of Humanity―have implausible implications in such cases. We develop a new, “three-tiered” account: one that, we claim, generates results in such cases that accord better with many people’s considered judgments than those produced by its rivals. (shrink)

In Entailment, Anderson and Belnap motivated their modification E of Ackermann’s strenge Implikation Π Π’ as a logic of relevance and necessity. The kindred system R was seen as relevant but not as modal. Our systems of Peano arithmetic R# and omega arithmetic R## were based on R to avoid fallacies of relevance. But problems arose as to which arithmetic sentences were (relevantly) true. Here we base analogous systems on E to solve those problems. Central to motivating E is the (...) rejection of fallacies of modality. Our slogan here for this is, “No diamonds entail any boxes.” Form the strenge Peano arithmetic E# like R#, adding appropriate forms of the Peano axioms to Ackermann’s E.. (shrink)

This paper begins with a simple illustration of the choice between individual and population strategies in population health policy. It describes the traditional approach on which the choice is to be made on the relative merits of the two strategies in each case. It continues by identifying two factors—our knowledge of the consequences of the epidemiological transition and the prevalence of responsibility-sensitive theories of distributive justice—that may distort our moral intuitions when we deliberate about the choice of appropriate risk-management strategies (...) in population health. It argues that the confluence of these two factors may lead us to place too much emphasis on personal responsibility in health policy. (shrink)

Longevity is valuable. Most of us would agree that it’s bad to die when you could go on living, and death’s badness has to do with the value your life would have if it continued. Most of us would also agree that it’s bad if life expectancy in a country is low, it’s bad if there is high infant mortality and it’s bad if there is a wide mortality gap between different groups in a population. But how can we make (...) such judgments more precise? How should we evaluate the harm of mortality in a population? Although philosophers have written a lot about the harm of death for individuals, very little work has been done on the harm of mortality for populations. In this article, I take the first steps towards developing a theory of the harm of population mortality. Even these first steps, I argue, lead to surprising results. (shrink)

Quality of life research aims to develop and apply indices for the measurement of human welfare. It is an increasingly important field within the social sciences and its results are an important resource for policy making and evaluation. This paper explores the conceptual background of quality of life research. It focuses on its single most important issue: the controversy between the use of ``objective social indicators'' and the use of people's ``subjective evaluations'' as proxies for welfare. Most quality of life (...) researchers today argue that people's own evaluations have an indispensable role in quality of life measurement. I argue that their position must be defended on philosophical grounds, because their use of evaluations commits them to some particular theories of welfare. I explore the connections between theories of welfare in philosophy and the use of evaluations in quality of life research. I conclude that even though evaluations may have a role in particular applications, they are unlikely to have a role in all applications. (shrink)

In a rare discussion of Gadamer's work, Davidson takes issue with Gadamer's claim that successful communication requires that interlocutors share a common language. While he is right to see a difference between his own views and Gadamer's on this point, Davidson appears to have misunderstood what motivates Gadamer's position, conflating it with that of his more familiar conventionalist interlocutors. This paper articulates Gadamer's view of the role of language in communicative understanding as an alternative to both Davidson's and that of (...) the conventionalist writers Davidson critiques. It is argued, first, that Gadamer employs a conception of what individuates a language, and thus of what it means for two speakers to “share” a language, that Davidson never considers. By emphasizing the role of “application” in the historical development of languages, Gadamer develops a view in which languages are distinguished not by their particular semantic or syntactic rules, but by subtle differences between the concepts they express. Second, it is argued that the instances of “asymmetrical” communication—communication between interlocutors who have different sets of concepts at their disposal—that motivate Gadamer's position pose a challenge to Davidson's account of interpretative charity. (shrink)

Издание содержит: нравственность между эзотерикой и правом, геополитика нравственности, либерализованная Россия и либеральная эзотерика и др.

I discuss one version of a puzzle about the identity of a statue with the lump of clay of which it is made. The case is one in which the statue and lump agree in all their non-modal features. While this is a favorable case for the claim that they are identical, we nonetheless have discrepant intuitions about their potentialities, which appear irreconcilable. Critical analyses are given of recent treatments by Allan Gibbard, Kit Fine, and Stephen Yablo. An ontologically conservative (...) solution to the puzzle is offered which has the following features: the statue and lump of clay are said to be identical, our discrepant modal intuitions about the statue and lump are validated, identity is necessary, and is a relation between objects, not concepts, Leibniz' Law is not constrained, only a standard modal logic and semantics is needed, and our modal logical intuitions are preserved. In part, this last consists in proving that standard modal logics have certain structural features. In addition, the proposed account allows that names have the same function in and out of modal contexts, namely just to refer. As well, it allows genuine de re modality, i.e. that things have genuine modal properties. How the account meets general concerns about de re modality and essentialism is discussed. The proposed method of solution is also shown to apply to a number of other modal puzzles. (shrink)

We are the funny organisms that make and follow rules. To understand us, one must understand what is it to institute and follow a rule, to perform correctly or in error. This question is more important than it might at first seem for linguistic meaning is constituted by rules that govern uses of expressions. For example, the fact that 'squid' is correctly applied to squid and incorrectly applied to cuttlefish is part of what makes 'squid' mean what it does. Philosophers (...) sometimes argue further that all representations are rule-governed so that a theory of representation must explain the possibility of misrepresentation. ;The rule-following problem makes an explanation of correctness surprisingly difficult. Philosophers have also not been clear on just what is the problem with rules. I provide a statement of the features of rules and the problems they drive. I then show that some well-known accounts of rule following---Kripke's, Wright's, Blackburn's---are inadequate. My formulation also shows that some favored theories of content---causal, evolutionary, interpretivist---are inadequate. ;Positively, I argue that an essentially social and irreducibly normative organization---a practice---solves the rule-following problem. Therefore, only participants in social practices can follow rules and thence traffic in linguistic meaning. Still, an account of the correctness of a linguistic performance is not yet an explanation of its representational content. I argue that linguistic content is constituted by correctness facts but also by the representational purport of expressions. I explain an expression's purport to represent naturalistically in terms of syndromes of psychological and behavioral symptoms. A theory of linguistic representation, then, must join the non-natural social facts that constitute correctness with the natural individualistic facts that constitute representational purport. ;Such a hybrid theory reveals that thought and language are not as intimately connected as philosophers assume. Whereas linguistic content constitutively partakes of the social organization that sets humans apart from other creatures, thought content involves only refinements of the psycho-behavioral syndromes that we share with most vertebrates. It follows that linguistic content and thought content cannot be explained one in terms of the other. (shrink)

One way of evaluating health is in terms of its impact on well-being. It has been shown, however, that evaluating health this way runs into difficulties, since health and other aspects of well-being are not separable. At the same time, the practical implications of the inseparability problem remain unclear. This paper assesses these implications by considering the relations between theories, components, and indicators of well-being.