Rastrearemos a refutação da necessidade de fundamentos ontológicos para teorias éticas de Putnam analisando sua trajetória por autores como Quine, Moore e Wittgenstein. Partiremos do naturalismo epistemológico de Quine para estabelecer sua base coerentista pragmática. Então, investigaremos seu distanciamento da ontologia conforme sua perspectiva wittgensteiniana do conceitualismo mooreano e platônico. Caracterizando Heidegger como alvo primário de sua crítica a uma necessidade de ontologia, afasta-se mesmo de Quine ao abraçar uma relatividade conceitual inspirada na mereologia e em jogos de linguagem para (...) estabelecer a objetividade da ética sem a necessidade de objetos. Por fim, a partir dessa definição, investigaremos a concepção de ética segundo Putnam, fortemente inspirada em Dewey e Aristóteles em diálogo com Levinas e Kant em prol de um “florescimento cognitivo humano”. Sua definição é breve e superficial, todavia clama que tais características sejam necessárias a fim de dar maleabilidade à ética, em contraponto a uma definição rígida e facilmente quebradiça tendo em vista o amplo descordo presente na filosofia moral. Esta flexibilidade não cairia em relativismo absoluto uma vez que preza a razoabilidade e progresso, assim como evitaria doutrinas danosas “anti-florescimento”. (shrink)

Since Hume, the problem of induction is viewed as the problem of skeptical doubts concerning our empirical generalizations. In this paper, I argue that this problem is neither a question for epistemology nor a consequence of a skeptical (pyhrronian) view on the matter. Rather I argue that from the point of view of alethic skepticism, Hume´s problem appears to be an issue concerning the pragmatics of investigation, and I try to report some of its most basic aspects. The result is (...) a new image of induction that resembles with Nelson Goodman´s solution, but I avoid any dogmatic commitment to his ideas. (shrink)

This article takes as its starting-point that a viable account of concept acquisition must be ontogenetically sound, and analyses in detail two alternative accounts of concept acquisition, one conceptualist and the other non-conceptualist, concluding that the conceptualist account is to be preferred.

The theory of concepts advanced in the dissertation aims at accounting for a) how a concept makes successful practice possible, and b) how a scientific concept can be subject to rational change in the course of history. Traditional accounts in the philosophy of science have usually studied concepts in terms only of their reference; their concern is to establish a stability of reference in order to address the incommensurability problem. My discussion, in contrast, suggests that each scientific concept consists of (...) three components of content: 1) reference, 2) inferential role, and 3) the epistemic goal pursued with the concept's use. I argue that in the course of history a concept can change in any of these three components, and that change in one component—including change of reference—can be accounted for as being rational relative to other components, in particular a concept's epistemic goal.This semantic framework is applied to two cases from the history of biology: the homology concept as used in 19th and 20th century biology, and the gene concept as used in different parts of the 20th century. The homology case study argues that the advent of Darwinian evolutionary theory, despite introducing a new definition of homology, did not bring about a new homology concept (distinct from the pre-Darwinian concept) in the 19th century. Nowadays, however, distinct homology concepts are used in systematics/evolutionary biology, in evolutionary developmental biology, and in molecular biology. The emergence of these different homology concepts is explained as occurring in a rational fashion. The gene case study argues that conceptual progress occurred with the transition from the classical to the molecular gene concept, despite a change in reference. In the last two decades, change occurred internal to the molecular gene concept, so that nowadays this concept's usage and reference varies from context to context. I argue that this situation emerged rationally and that the current variation in usage and reference is conducive to biological practice.The dissertation uses ideas and methodological tools from the philosophy of mind and language, the philosophy of science, the history of science, and the psychology of concepts. (shrink)

In this paper I address some shortcomings in Larry Laudan's normative naturalism. I make it clear that Laudan's rejection of the "meta-methodology thesis", or MMT is unnecessary, and that a reformulated version MMT can be sustained. I contend that a major difficulty that attends Laudan's account is his contention that a naturalistic philosophy of science cannot accommodate any a priori justification of methodological rules, and consider what sort of naturalism might best replace Laudan's. To do this, I discuss Michael Friedman's (...) account of a relativised a priori and show that it is consistent with naturalistic philosophy of science and that it can help form the basis of a plausible normative naturalism. In particular, this Discussion shows that Laudan's rejection of any a priori justification of methodological rules is unjustified and inconsistent with scientific practice. Finally, I point the way to a version of normative naturalism that includes MMT and accounts for the role of constitutive a priori principles within science. (shrink)

Perception is often analysed as a process in which causal events from the environment act on a subject to produce states in the mind or brain. The role of the subject is an increasing feature of neuroscientific and cognitive literature. This feature is linked to the need for an account of the normative aspects of perceptual competence. A holographic model is offered in which objects are presented to the subject classified according to rules governing concepts and encoded in brain function (...) in that form. This implies that the analysis of perception must consider not only the fact that there is an interaction between the perceiving subject and the perceived object but also that the interaction is shaped by a system of concepts which the subject uses in thought and action. (shrink)

Having entered into the problem structuring methods, system dynamics (SD) is an approach, among systems’ methodologies, which claims to recognize the main structures of socio-economic behaviors. However, the concern for building or discovering strong philosophical underpinnings of SD, undoubtedly playing an important role in the modeling process, is a long-standing issue, in a way that there is a considerable debate about the assumptions or the philosophical foundations of it. In this paper, with a new perspective, we have explored theory of (...) knowledge in SD models and found strange similarities between classic epistemological concepts such as justification and truth, and the mechanism of obtaining knowledge in SD models. In this regard, we have discussed related theories of epistemology and based on this analysis, have suggested some implications for moderating common problems in the modeling process of SD. Furthermore, this research could be considered a reword of system dynamics modeling principles in terms of theory of knowledge. (shrink)

Quine’s “Epistemology Naturalized” is the locus classicus of naturalism in epistemology. Many traditional epistemologists criticized the naturalization of epistemology specifically targeting this article. The critics argue that Quine abolishes the normativity of epistemology. For he proposes epistemology as a chapter of psychology. Laudan, like Quine, believes that epistemology should be naturalized. However, he criticizes Quine’s project of naturalization for similar reasons as Quine’s critics. Instead, he proposes a new project that he calls “normative naturalism”. In this work, I will first (...) argue against the critics of Quine and then argue that both Quine’s and Laudan’s naturalized epistemologies are hypothetically normative. -/- Quine’ın “Epistemology Naturalized” başlıklı makalesi epistemolojide doğallaştırma düşüncesinin klasik yapıtıdır. Pek çok geleneksel bilgi kuramcısı özellikle bu makaleyi hedef alarak epistemolojinin doğallaştırılmasını eleştirmiştir. Eleştirilerin odağında Quine’ın, psikolojinin bir alt bölümü haline getirerek, epistemolojinin normatifliğini ortadan kaldırdığı savı yer almaktadır. Laudan epistemolojide doğallaştırmanın gerekli olduğunu savunmasına karşın Quine’a yöneltilen bu eleştiriye katılmakta ve “normatif doğalcılık” adını verdiği yeni bir epistemolojik yaklaşım önermektedir. Bu çalışmada Quine’a yöneltilen eleştirinin yersiz ve Quine’ın doğallaştırılmış epistemolojisinin Laudan’ın normatif doğalcılığı gibi hipotetik normatif olduğunu tartışacağım. (shrink)

What is the difference between belief and desire? In order to explain the difference, recent philosophers have appealed to the metaphor of.

Donald Davidson has two central aims in his celebrated paper ‘Mental Events.’ First, he argues for the impossibility of ‘strict … laws on the basis of which mental events can be predicted and explained’. I shall call the resulting view ‘mental anomalism.’ Second, he argues, based partially on this impossibility, for a version of monism which holds that every mental event is token-identical with some physical event. This second aim puts constraints on how the argument for mental anomalism can plausibly (...) proceed. That argument cannot assume anything that presupposes monism or adversely affects the argument for it. When elaborated, this constraint by itself rules out otherwise attractive conceptions of how the argument for mental anomalism works. More generally, in order to be compelling, the overall argument for anomalous monism ought not to incorporate excessively controversial presuppositions even if they do not themselves beg any questions about monism. The argument needs to be built upon relatively intuitive premises. (shrink)

The term “epistemic shifts” refers to a widely recognized phenomenon that knowledge ascribers would ascribe different epistemic statuses to the same belief under different internal/external conditions. Mainstream theories explaining shifts can all be assimilated into a probabilistic framework, according to which the epistemic status of a belief P can be at least partially evaluated in terms of the strength of the link between this belief and its normal truth-maker, namely, a P-corresponding fact, and the strength of this link can be (...) further probabilistically measured in terms of the knowledge-undermining force of an “abnormal” truth-maker of P, namely, a P-inducing fact which itself is not a P-corresponding fact simpliciter. I will further claim that by accepting my framework, a theorist of shifts has to tolerate a pluralist view of the etiology of shifts on the philosophical level, and mainstream theories explaining shifts are flawed in the sense that they all attempt to exaggerate one single and particular factor underpinning shifts by ignoring others. (shrink)

According to a common objection to epistemological naturalism, no empirical, scientific theory of knowledge can be normative in the way epistemological theories need to be. In response, such naturalists as W.V. Quine have claimed naturalized epistemology can be normative by emulating engineering disciplines and addressing the relations of causal efficacy between our cognitive means and ends. This paper evaluates that "engineering reply" and finds it a mixed success. Based on consideration of what it might mean to call a theory "normative," (...) seven versions of the normativity objection to epistemological naturalism are formulated. The engineering reply alone is sufficient to answer only the four least sophisticated versions. To answer the others, naturalists must draw on more resources than their engineering reply alone provides. (shrink)

I critically examine Miriam Solomon’s critique of individualist normative accounts of scientific rationality and her own “social” account of scientific rationality that takes communities to be the locus of rationality. I argue that scientists are not influenced in their decision making by nonepistemic factors to the extent that Solomon suggests and an individualist account can show how judgmental heuristics are conducive to scientific success. I also argue that Solomon’s account of rationality cannot guide us when we do not yet know (...) what is most conducive to scientific success. Consequently, I offer a defense of internalist individualist accounts of rationality and suggest that what is social about rationality are the standards of epistemic responsibility. (shrink)

Three distinct but related questions can be asked about the meaningfulness of one's life. The first is 'What is the meaning of life?', which can be called 'the cosmic question about meaningfulness'; the second is 'What is a meaningful life?', which can be called 'the general question about meaningfulness'; and the third is 'What is the meaning of my life?', which can be called 'the personal question about meaningfulness'. I argue that in order to deal with all three questions we (...) should start with the personal question. There is a way of understanding the personal question which allows us to answer it independently of any consideration of the cosmic question, but which nonetheless helps us see why the cosmic question should be dismissed as a bad question. Besides, a recommendable answer to the general question can be derived from my understanding of how the personal question should be answered. Two notions are essential to my account, namely, the notion of identities and the notion of a biographical life. And the account can be epitomized in this enticing way: a person's life is meaningful if it contains material for an autobiography that she thinks is worth writing and others think is worth reading. (shrink)

I respond to Ned Block’s claim that it is ridiculous to suppose that consciousness is a cultural construction based on language and learned in childhood. Block is wrong to dismiss social constructivist theories of consciousness on account of it being ludicrous that conscious experience is anything but a biological feature of our animal heritage, characterized by sensory experience, evolved over millions of years. By defending social constructivism in terms of both Julian Jaynes’ behaviorism and J.J. Gibson’s ecological psychology, I draw (...) a distinction between the experience or what-it-is-like of nonhuman animals engaging with the environment and the secret theater of speechless monologue that is familiar to a linguistically competent human adult. This distinction grounds the argument that consciousness proper should be seen as learned rather than innate and shared with nonhuman animals. Upon establishing this claim, I defend the Jaynesian definition of consciousness as a social–linguistic construct learned in childhood, structured in terms of lexical metaphors and narrative practice. Finally, I employ the Jaynesian distinction between cognition and consciousness to bridge the explanatory gap and deflate the supposed hard problem of consciousness. (shrink)

David Hull's (1988c) model of science as a selection process suffers from a two-fold inability: (a) to ascertain when a lineage of theories has been established; i.e., when theories are descendants of older theories or are novelties, and what counts as a distinct lineage; and (b) to specify what the scientific analogue is of genotype and phenotype. This paper seeks to clarify these issues and to propose an abstract model of theories analogous to particulate genetic structure, in order to reconstruct (...) relationships of descent and identity. (shrink)

In the early chapters of Mind and the World Order, Lewis develops a theory of meaning which has interesting points of similarity with that mentalistic or propositional theory of meaning which has been rejected by Quine, in Word and Object and elsewhere. There are also interesting similarities, however, between Lewis’ theory and Quine's own naturalistic theory. In this paper, I shall concentrate on one such similarity: namely, the analogy, noticed by Quine, between the predicament formulated in his own thesis of (...) the indeterminacy of translation, and the “predicament of private worlds” in which Lewis’ theory of meaning is involved.These analogous predicaments have a bearing on the problems of the commensurability of scientific theories and of objectivity in science in general; in fact, my primary motivation in attempting to explicate the analogy between Quine's theory of meaning and Lewis’ theory is to clear the way for an assessment of Quine's position on the problem of the objectivity of theories in science. (shrink)

It is argued that a subject's evidence consists of all and only the propositions that the subject knows.

I revisit my 1993 paper on Putnam and mathematical realism focusing on the indispensability argument and how it has fared over the years. This argument starts from the claim that mathematics is an indispensable part of science and draws the conclusion, from holistic considerations about confirmation, that the ontology of science includes abstract objects as well as the physical entities science deals with.

_Traces the history of mind-body dualism._.

A dominant strand of philosophical thought holds that natural kinds are clusters of objects with shared properties. Cluster theories of natural kinds are often taken to be a late twentieth-century development, prompted by dissatisfaction with essentialism in philosophy of biology. I will argue here, however, that a cluster theory of kinds had actually been formulated by William Whewell (1794-1866) more than a century earlier. Cluster theories of kinds can be characterized in terms of three central commitments, all of which are (...) present in Whewell’s work on classification. Like contemporary cluster theorists, Whewell claims that kinds are united by similarity, that many kinds do not have essences, and that there are “gaps” between kinds. Moreover, Whewell advises taxonomists to look for consilience (roughly, convergence) between different classificatory schemes, a recommendation that reinforces the identification of natural classes with property clusters. Thus Whewell was not only an early cluster theorist, but one with important insights into what a cluster theory of kinds means for the practice of classification. (shrink)

In place of the traditional epistemological view of knowledge as justified true belief we argue that artificial intelligence and law needs an evidence-based epistemology according to which scientific knowledge is based on critical analysis of evidence using argumentation. This new epistemology of scientific evidence (ESE) models scientific knowledge as achieved through a process of marshaling evidence in a scientific inquiry that results in a convergence of scientific theories and research results. We show how a dialogue interface of argument from expert (...) opinion, along with its set of critical questions, provides the argumentation component of the ESE. It enables internal scientific knowledge to be translated over into a wider arena in which individual nonexpert citizens and groups can make use of it. The external component shows how evidence is presented and used in a legal procedural setting that includes fact-finding, weighing the credibility of expert witnesses, and critical questioning of arguments. The paper critically reviews the standards of admissibility of scientific evidence using the ESE. (shrink)

The distinction between “thick” and “thin” value concepts, and its importance to ethical theory, has been an active topic in recent meta-ethics. This paper defends three claims regarding the parallel issue about thick and thin epistemic concepts. (1) Analogy with ethics offers no straightforward way to establish a good, clear distinction between thick and thin epistemic concepts. (2) Assuming there is such a distinction, there are no semantic grounds for assigning thick epistemic concepts priority over the thin. (3) Nor does (...) the structure of substantive epistemological theory establish that thick epistemic concepts enjoy systematic theoretical priority over the thin. In sum, a good case has yet to be made for any radical theoretical turn to thicker epistemology. (shrink)

Reasoning from a naturalistic perspective, viewing the mind as an evolved biological organ with a particular structure and function, a number of influential philosophers and cognitive scientists claim that science is constrained by human nature. How exactly our genetic constitution constrains scientific representations of the world remains unclear. This is problematic for two reasons. Firstly, it often leads to the unwarranted conclusion that we are cognitively closed to certain aspects or properties of the world. Secondly, it stands in the way (...) of a nuanced account of the relationship between our cognitive and perceptual wiring and scientific theory. In response, I propose a typology or classification of the different kinds of biological constraints and their sources on science. Using Boden’s notion of a conceptual space, I distinguish between constraints relating to the ease with which we can reach representations within our conceptual space and constraints causing possible representations to fall outside of our conceptual space. This last kind of constraints does not entail that some aspects or properties of the world cannot be represented by us – as argued by advocates of ‘cognitive closure’ – merely that some ways of representing the world are inaccessible to us. It relates to what Clark and Rescher have framed as ‘the alien scientist hypothesis’. The purpose of this typology is to provide some much needed clarity and structure to the debate about biological constraints on science. (shrink)

Analyzes key concepts and arguments in the work of one of Europe’s leading philosophers. One of Europe’s leading philosophers, Roberto Esposito has produced a considerable body of work that continues to have a significant impact on political science, sociology, literature, and philosophy. This volume offers both a comprehensive introduction to and critical explanation of Esposito’s political thought and key concepts from his oeuvre. The contributors address aspects of his growing corpus such as the impolitical, community, immunity, the impersonal, affirmative biopolitics, (...) justice, life, the third person, and the body. In addition, they highlight Esposito’s reading and interpretation of classical political thinkers, including Hobbes, Machiavelli, Vico, Arendt, and Kant. The book explores applications of Esposito’s philosophy to issues in international relations, post-colonialism, literature, science, technology, and philosophical and artistic practice, bringing Esposito into dialogue with important social-political concerns. “To my knowledge there are no other books—in Italian or English—that attempt to provide a critical introduction to Esposito’s works and an engagement with his works in fields outside of political science and philosophy. This volume is an important first.” — Rhiannon Noel Welch, author of Vital Subjects: Race and Biopolitics in Italy. (shrink)

En este ensayo discuto los argumentos de Fodor y Lepore contra el holismo semántico de Quine. Sostengo que Fodor y Lepore no examinan los argumentos quineanos más concluyentes a favor de dicha tesis. Luego señalo que ellos malinterpretan la articulación quineana entre el holismo epistemológico, el verificacionismo y el holismo semántico. Por último, señalo que el ataque de Fodor y Lepore al holismo semántico de Quine presupone tácitamente un cierto atomismo no epistémico.

Quine's argument for a naturalized epistemology is routinely perceived as an argument from despair: traditional epistemology must be abandoned because all attempts to deduce our scientific theories from sense experience have failed. In this paper, I will show that this picture is historically inaccurate and that Quine's argument against first philosophy is considerably stronger and subtler than the standard conception suggests. For Quine, the first philosopher's quest for foundations is inherently incoherent; the very idea of a self-sufficient sense datum language (...) is a mistake, there is no science-independent perspective from which to validate science. I will argue that a great deal of the confusion surrounding Quine's argument is prompted by certain phrases in his seminal ‘Epistemology Naturalized’. Scrutinizing Quine's work both before and after the latter paper provides a better key to understanding his remarkable views about the epistemological relation between theory and evidence. (shrink)

Quine’s argument for a naturalized epistemology is routinely perceived as an argument from despair: traditional epistemology must be abandoned because all attempts to deduce our scientific theories from sense experience have failed. In this paper, I will show that this picture is historically inaccurate and that Quine’s argument against first philosophy is considerably stronger and subtler than the standard conception suggests. For Quine, the first philosopher’s quest for foundations is inherently incoherent; the very idea of a self-sufficient sense datum language (...) is a mistake as there is no science-independent perspective from which to validate science. I will argue that a great deal of the confusion surrounding Quine’s argument is prompted by certain phrases in his seminal ‘Epistemology Naturalized’. Scrutinizing Quine’s work both before and after the latter paper provides a better key to understanding his remarkable views about the epistemological relation between theory and evidence. -/- . (shrink)

Any attempt to evaluate a naturalistic feminist philosophy of cognition and knowledge must acknowledge that there are two distinct core approaches to naturalism (one more radical and well-interpreted by Quine, while the other more moderate and well-interpreted by Goldman). Classical feminist naturalizations of epistemology have drawn inspiration from the Quinean naturalization, they have inherited its defects – the major one: being compelled to renounce doing real epistemology in favor of a merely scientific enterprise.Notwithstanding, the merits of these feminist naturalizations are (...) more than one: they embrace the idea that epistemology needs contributions and help from the sciences, they raise serious doubts about the best science to involve in feminist epistemologies, they contrast (even if implicit) our “local feminist philosophy” (that is, mostly Italian one) not only in its scorn for every science and its technological applications, but also in its conviction that there are essential differences between female/women and male/men about knowledge and cognition.I wish to propose a naturalized feminist epistemology which draws inspiration from the more moderate Goldmanian approach. Much work would be needed in order to combine those feminist approaches which believe in the individualism of the knowing subject with those that are anti–individualist. But, at least, taking inspiration from Goldman and his reliabilism, we may achieve a type of naturalism in feminist epistemologies, in which it would be feasible to understand the reliability of the cognitive faculties of the knowing subject and to understand scientifically whether or not there are differences between female and male faculties – avoiding any essentialist temptations. (shrink)

During the first half of the twentieth century, mainstream answers to the foundational crisis, mainly triggered by Russell and Gödel, remained largely perfectibilist in nature. Along with a general naturalist wave in the philosophy of science, during the second half of that century, this idealist picture was finally challenged and traded in for more realist ones. Next to the necessary preliminaries, the present paper proposes a structured view of various philosophical accounts of mathematics indebted to this general idea, laying the (...) ground for a desirable integration of their strenghts. (shrink)

sBuilding models as a practical aspect of ecological theory has as a principal purpose the determination of relations in formal language. In this paper, the authors provide a formalization of ecological models based on impure systems theory. Impure systems contain objects and subjects: subjects are human beings. We can distinguish a person as an observer that by definition is the subject himself and part of the system. In this case he acquires the category of object. Objects are significances, which are (...) the consequence of perceptual beliefs on the part of the subject about material or energetic objects with certain characteristics. The impure system approach is as follows: objects are perceptual significances of material or energetic objects. The set of these objects will form an impure set of the first order. The existing relations between these relative objects will be of two classes: transactions of matter and/or energy and inferential relations. Transactions can have alethic modality: necessity, possibility, impossibility and contingency. In this work we define measures which let us choose the more suitable variables to relate both the model with the ecosystem and with different models. In this way we define different comparison indexes. (shrink)

The tendency to attribute foundationalist ambitions to the Vienna Circle has long obscured our view of its attempted revolution in philosophy. The present paper makes the case for a consistently epistemologically anti-foundationalist interpretation of all three of the Circle's main protagonists: Schlick, Carnap, and Neurath. Corresponding to the intellectual fault lines within the Circle, two ways of going about the radical reorientation of the pursuit of philosophy will then be distinguished and the contemporary potential of Carnap's and Neurath's project explored.

I argue that Quinean naturalists’ holism-based arguments against analyticity and apriority are more difficult to resist than is generally supposed, for two reasons. First, although opponents of naturalism sometimes dismiss these arguments on the grounds that the holistic premises on which they depend are unacceptably radical, it turns out that the sort of holism required by these arguments is actually quite minimal. And second, although it’s true, as Grice and Strawson pointed out long ago, that these arguments can succeed only (...) if there isn’t any principled criterion for meaning change, such a criterion turns out to be hard to come by. David Chalmers has recently argued that such a criterion must exist, since the norms governing belief revision are subject to obvious exceptions that can be explained only by appeal to meaning change. But this, I argue, is incorrect: if choices about how to use language are themselves rationally assessable, then there are no such exceptions to be explained. To show that this is so, I formulate a new kind of coherence norm that may be useful for reasoning formally about the relationship between meaning and evidence. (shrink)

This paper seeks to uncover and rationally reconstruct four theoretical prescriptions that H. L. A. Hart urged philosophers to observe and follow when investigating and theorizing about the nature of law. The four prescriptions may appear meager and insignificant when each is seen in isolation, but together as an inter-connected set they have substantial implications. In effect, they constitute a central part of Hart’s campaign to put philosophical investigations about the nature of law onto a path to a genuine research (...) program. The paper takes note of certain prevalent and robust trends in contemporary legal philosophy that detract its practitioners from the four prescriptions, and that have them revert to the some older modes of thinking from which Hart sought a decisive break. A number of contemporary legal philosophers’ views and commitments are taken up and assessed, and in particular those of John Gardner and Leslie Green. (shrink)

This paper seeks to uncover and rationally reconstruct four theoretical prescriptions that H. L. A. Hart urged philosophers to observe and follow when investigating and theorizing about the nature of law. The four prescriptions may appear meager and insignificant when each is seen in isolation, but together as an inter-connected set they have substantial implications. In effect, they constitute a central part of Hart's campaign to put philosophical investigations about the nature of law onto a path to a genuine research (...) program. The paper takes note of certain prevalent and robust trends in contemporary legal philosophy that detract its practitioners from the four prescriptions, and that have them revert to the some older modes of thinking from which Hart sought a decisive break. A number of contemporary legal philosophers' views and commitments are taken up and assessed, and in particular those of John Gardner and Leslie Green. ‘Yet the answer is a prosaic one: don’t ask what time is but how the word ‘time’ is being used’.Friedrich Waismann.I miss the future.Jaron Lanier. (shrink)

Kantian constructivists locate the source of normativity in the rational nature of valuing agents. Some further argue that accepting this premise thereby commits one to accepting the intrinsic or unconditioned value of rational nature itself. Whereas much of the critical literature on this “regress on conditions” argument has focused either on the cogency of the inference from the value-conferring capacity of the will to the unconditional value of that capacity itself or on the plausibility of the initial constructivist premise, my (...) aim is to press the argument from a different direction by asking just how Kantian the constructivist needs to be in order to support a regress on conditions argument. Specifically, I maintain that the argument succeeds only given a full-fledged Kantian moral psychology, including a presupposition of transcendental freedom. If correct, this could have implications regarding the compatibility of Kantian ethics and philosophic naturalism. (shrink)