Demonstrates there are two separate (albeit remarkably similar) versions of the philosopher's engraved bookplate. Presents arguments as to which is the earlier. Speculates that the later version was produced for Hume's favorite nephew and the inheritor of his library, David Hume the Younger.

This paper traces the background to R. A. Fisher's multi-factorial theory of inheritance. It is argued that the traditional account is incomplete, and that Karl Pearson's well-known pre-Fisherian objections to the theory were in fact overcome by Pearson himself. It is further argued that Pearson's stated reasons for not accepting his own achievement has to be seen as a rationalization, standing in for deeper-seated metaphysical objections to the Mendelian paradigm of a type not readily discussed in a formal scientific paper. (...) The apparent, post-Fisherian, continued acceptance of Pearson's objections is presented as an interesting problem for the historian and sociologist. (shrink)

Over the last few decades, neuroimaging techniques have transformed our understanding of the brain and the effect of neurological conditions on brain function. More recently, light-based modalities such as functional near-infrared spectroscopy have gained popularity as tools to study brain function at the bedside. A recent application is to assess residual awareness in patients with disorders of consciousness, as some patients retain awareness albeit lacking all behavioural response to commands. Functional near-infrared spectroscopy can play a vital role in identifying these (...) patients by assessing command-driven brain activity. The goal of this review is to summarise the studies reported on this topic, to discuss the technical and ethical challenges of working with patients with disorders of consciousness, and to outline promising future directions in this field. (shrink)

I will discuss two themes that can be found in Mark Sagoff's most recent book, Price, Principle, and the Environment. Built from pieces fashioned in his entertaining and incisive critical es...

Eternalists believe that there is no ontological difference between the past, present and future. Thus, a challenge arises: in virtue of what does time have a direction? Some eternalists, Oaklander and Tegtmeier ) argue that the direction of time is primitive. A natural response to positing primitive directionality is the suspicion that said posit is too mysterious to do any explanatory work. The aim of this paper is to relieve primitive directionality of some of its mystery by offering a novel (...) way to understand the phenomenon in terms of the recently popularised notion of grounding. (shrink)

In this first part of a two-part paper, we describe efforts in the early decades of this century to restrict the extent of violations of the Second Law of thermodynamics that were brought to light by the rise of the kinetic theory and the identification of fluctuation phenomena. We show how these efforts mutated into Szilard’s proposal that Maxwell’s Demon is exorcised by proper attention to the entropy costs associated with the Demon’s memory and information acquisition. In the second part (...) we will argue that the information theoretic exorcisms of the Demon provide largely illusory benefits. According to the case, they either return a presupposition that can be had without information theoretic consideration or they postulate a broader connection between information and entropy than can be sustained. (shrink)

In this second part of our two-part paper we review and analyse attempts since 1950 to use information theoretic notions to exorcise Maxwell’s Demon. We argue through a simple dilemma that these attempted exorcisms are ineffective, whether they follow Szilard in seeking a compensating entropy cost in information acquisition or Landauer in seeking that cost in memory erasure. In so far as the Demon is a thermodynamic system already governed by the Second Law, no further supposition about information and entropy (...) is needed to save the Second Law. In so far as the Demon fails to be such a system, no supposition about the entropy cost of information acquisition and processing can save the Second Law from the Demon. (shrink)

This paper investigates the connection between temporal attitudes (attitudes characterised by a concern (or lack thereof) about future and past events), beliefs about temporal ontology (beliefs about the existence of future and past events) and temporal preferences (preferences regarding where in time events are located). Our aim is to probe the connection between these preferences, attitudes, and beliefs, in order to better evaluate the normative status of these preferences. We investigate the hypothesis that there is a three-way association between (a) (...) being present-biased (that is, preferring that positive events are located in the present, and negative events are located in the non-present), (b) believing that past and future events do not exist and (c) tending to have present-focused rather than non-present-focused temporal attitudes. We find no such association. This suggests that insofar as temporal preferences and temporal attitudes are connected to the ways we represent time, they are not connected to the ways we represent temporal ontology; rather, they are more likely connected to the ways we represent relative movement in, or of, time. This has important consequences for, first, explaining why we exhibit these preferences and, second, for their normative evaluation. (shrink)

Landauer’s principle is the loosely formulated notion that the erasure of n bits of information must always incur a cost of k ln n in thermodynamic entropy. It can be formulated as a precise result in statistical mechanics, but for a restricted class of erasure processes that use a thermodynamically irreversible phase space expansion, which is the real origin of the law’s entropy cost and whose necessity has not been demonstrated. General arguments that purport to establish the unconditional validity of (...) the law fail. They turn out to depend on the illicit formation of a canonical ensemble from memory devices holding random data. To exorcise Maxwell’s demon one must show that all candidate devices—the ordinary and the extraordinary—must fail to reverse the second law of thermodynamics. The theorizing surrounding Landauer’s principle is too fragile and too tied to a few specific examples to support such general exorcism. Charles Bennett’s recent extension of Landauer’s principle to the merging of computational paths fails for the same reasons as trouble the original principle. (shrink)

Standard descriptions of thermodynamically reversible processes attribute contradictory properties to them: they are in equilibrium yet still change their state. Or they are comprised of non-equilibrium states that are so close to equilibrium that the difference does not matter. One cannot have states that both change and no not change at the same time. In place of this internally contradictory characterization, the term “thermodynamically reversible process” is here construed as a label for a set of real processes of change involving (...) only non-equilibrium states. The properties usually attributed to a thermodynamically reversible process are recovered as the limiting properties of this set. No single process, that is, no system undergoing change, equilibrium or otherwise, carries those limiting properties. The paper concludes with an historical survey of characterizations of thermodynamically reversible processes and a critical analysis of their shortcomings. (shrink)

Landauer's Principle asserts that there is an unavoidable cost in thermodynamic entropy creation when data is erased. It is usually derived from incorrect assumptions, most notably, that erasure must compress the phase space of a memory device or that thermodynamic entropy arises from the probabilistic uncertainty of random data. Recent work seeks to prove Landauer’s Principle without using these assumptions. I show that the processes assumed in the proof, and in the thermodynamics of computation more generally, can be combined to (...) produce devices that both violate the second law and erase data without entropy cost, indicating an inconsistency in the theoretical system. Worse, the standard repertoire of processes selectively neglects thermal fluctuations. Concrete proposals for how we might measure dissipationlessly and expand single molecule gases reversibly are shown to be fatally disrupted by fluctuations. Reversible, isothermal processes on molecular scales are shown to be disrupted by fluctuations that can only be overcome by introducing entropy creating, dissipative processes. (shrink)

Einstein proclaimed that we could discover true laws of nature by seeking those with the simplest mathematical formulation. He came to this viewpoint later in his life. In his early years and work he was quite hostile to this idea. Einstein did not develop his later Platonism from a priori reasoning or aesthetic considerations. He learned the canon of mathematical simplicity from his own experiences in the discovery of new theories, most importantly, his discovery of general relativity. Through his neglect (...) of the canon, he realised that he delayed the completion of general relativity by three years and nearly lost priority in discovery of its gravitational field equations. (shrink)

In the sixth section of his light quantum paper of 1905, Einstein presented the miraculous argument, as I shall call it. Pointing out an analogy with ideal gases and dilute solutions, he showed that the macroscopic, thermodynamic properties of high frequency heat radiation carry a distinctive signature of finitely many, spatially localized, independent components and so inferred that it consists of quanta. I describe how Einstein’s other statistical papers of 1905 had already developed and exploited the idea that the ideal (...) gas law is another macroscopic signature of finitely many, spatially localized, independent components and that these papers in turn drew on his first two, “worthless” papers of 1901 and 1902 on intermolecular forces. However, while the ideal gas law was a secure signature of independence, it was harder to use as an indicator that there are finitely many components and that they are spatially localized. Further, since his analysis of the ideal gas law depended on the assumption that the number of components was fixed, its use was precluded for heat radiation, whose component quanta vary in number in most processes. So Einstein needed and found another, more powerful signature of discreteness applicable to heat radiation and which indicated all these properties. It used one of the few processes, volume fluctuation, in which heat radiation does not alter the number of quanta. (shrink)

This paper empirically investigates one aspect of the folk concept of time by testing how the presence or absence of directedness impacts judgements about whether there is time in a world. Experiment 1 found that dynamists, showed significantly higher levels of agreement that there is time in dynamically directed worlds than in non-dynamical non-directed worlds. Comparing our results to those we describe in Latham et al., we report that while ~ 70% of dynamists say there is time in B-theory worlds, (...) only ~ 45% say there is time in C-theory worlds. Thus, while the presence of directedness makes dynamists more inclined to say there is time in a world, a substantial subpopulation of dynamists judge that there is time in non-directed worlds. By contrast, a majority of non-dynamists judged that there was time in both growing block worlds and C-theory worlds, with no significant differences between the means. Experiment 2 found that when participants are only presented with non-dynamical worlds—namely, a directed world and a non-directed world—they report significantly higher levels of agreement that there is time in B-theory worlds. However, the majority of participants still judge that there is time in C-theory worlds. We conclude that while the presence of directedness bolsters judgements that there is time, most people do not judge it to be necessary for time. (shrink)

In the sixth section of his light quantum paper of 1905, Einstein presented the miraculous argument, as I shall call it. Pointing out an analogy with ideal gases and dilute solutions, he showed that the macroscopic, thermodynamic properties of high-frequency heat radiation carry a distinctive signature of finitely many, spatially localized, independent components and so inferred that it consists of quanta. I describe how Einstein's other statistical papers of 1905 had already developed and exploited the idea that the ideal gas (...) law is another macroscopic signature of finitely many, spatially localized, independent components and that these papers in turn drew on his first two, "worthless" papers of 1901 and 1902 on intermolecular forces. However, while the ideal gas law was a secure signature of independence, it was harder to use as an indicator that there are finitely many components and that they are spatially localized. Further, since his analysis of the ideal gas law depended on the assumption that the number of components was fixed, its use was precluded for heat radiation, whose component quanta vary in number in most processes. So Einstein needed and found another, more powerful signature of discreteness applicable to heat radiation and which indicated all these properties. It used one of the few processes, volume fluctuation, in which heat radiation does not alter the number of quanta. © 2005 Elsevier Ltd. All rights reserved. (shrink)

Please imagine a long fuse hanging down from the ceiling. It is a carefully woven tube of fabric that holds a core of gunpowder. We note that it is beautifully made, with brightly colored threads intertwined with the coarser bare cotton. It a masterpiece of the modern weaver's art.

The empirical study of grace, a relational virtue, is in its beginning stages. The purpose of this study was to provide rich, context-based, qualitative data to describe Mainline Protestants’ (a) experiences of, and (b) beliefs about, divine grace. Interviews were conducted with 28 community adults who were affiliated with Mainline Protestant Churches. Results indicated that Mainline Protestant Christians have varying beliefs about divine grace and how it is related to both the present moment and the afterlife. Divine grace was often (...) defined as, or associated with, other relational virtues (e.g., forgiveness and love), and participants occasionally defined grace as a gift. In addition, divine grace was also reported to be difficult to accept at times for a variety of reasons, but the effects of divine grace have direct associations with participants’ overall well-being. Divine grace was also associated with beliefs about heaven or the afterlife, yet participants had varying beliefs about how grace is applied to non-Christians. Limitations and future directions for research are discussed in light of the present empirical literature on divine grace. (shrink)

Recent research (Latham, Miller and Norton, forthcoming) reveals that a majority of people represent actual time as dynamical. But do they, as suggested by McTaggart and Gödel, represent time as essentially dynamical? This paper distinguishes three interrelated questions. We ask (a) whether the folk representation of time is sensitive or insensitive: i.e., does what satisfies the folk representation of time in counterfactual worlds depend on what satisfies it actually—sensitive—or does is not depend on what satisfies it actually—insensitive, and (b) (...) do those who represent actual time as dynamical, represent time in all possible worlds as dynamical—what we call insensitive dynamism—or do they represent time in all possible worlds as dynamical only conditional on the actual world in fact being dynamical—what we call sensitive dynamism and (c) do dynamists and non-dynamists deploy two different representations of time, or deploy the same representation, but disagree about what actually satisfies that representation? We found no evidence that the folk representation of time is sensitive, or that the folk representation of time is essentially dynamical in either sense, though we did find evidence of a shared representation, on which dynamical features are sufficient, but not necessary, for time. (shrink)

The pragmatic conception of truth, anticipated by Henry David Thoreau and developed by C.S. Peirce and subsequent pragmatists, is proposed as a useful analogy for characterising 'sustainability.' Peirce's definitions of 'truth' provides an attractive approach to sustainability because (a) it re-focuses discussions of truth and objectivity from a search for 'correspondence' to an 'external world' (the 'conform' approach) to a more forward-looking ('transform') approach; and (b) it emphasises the crucial role of an evolving, questioning community in the conduct of inquiry. (...) Any successful definition of sustainability must share these characteristics with Peircean truth. While Peirce and John Dewey never reconciled their disagreements regarding the nature and task of 'inquiry', a pragmatist resolution of their differences is offered, arguing that we need both a logic of management sciences (logica utens) and a logic of pure science (logica docens), which (perhaps among other differences) respond very differently to uncertainty. It is shown that adaptive management – can be understood as a first approximation of a logica utens for social learning in pursuit of solutions to environmental problems, and it is suggested that a pragmatist, transform approach to inquiry such as Dewey's may provide a way around the 'fact-value' gulf. (shrink)

A broad class of inductive logics that includes the probability calculus is defined by the conditions that the inductive strengths [A|B] are defined fully in terms of deductive relations in preferred partitions and that they are asymptotically stable. Inductive independence is shown to be generic for propositions in such logics; a notion of a scale-free inductive logic is identified; and a limit theorem is derived. If the presence of preferred partitions is not presumed, no inductive logic is definable. This no-go (...) result precludes many possible inductive logics, including versions of hypothetico-deductivism. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:189 HUME'S MORAL ONTOLOGY* My concern here is the claim, made in my recent book, that Hume is a moral realist. In general terms I would describe this book as one of several that represent a sustained effort to consider Hume within an eighteenth-century context, an effort to see him not as a timeless figure, or to treat him as a brilliantly successful contemporary of ourselves, but as a (...) brilliant eighteenth-century philosopher responding to eighteenth-century issues with, for all his timelessness, eighteenth-century conceptual tools and 2 from an eighteenth-century perspective. It would be hopelessly naive to suppose that any of us can view Hume without any historical distortion, but it is equally naive to read Hume, as he is often read, without historical sensitivity. Furthermore, such insensitivity closes us off from what is uniquely valuable about Hume, for, instead of seeing his writings as the consequence of his unique efforts to confront and answer the philosophical questions posed to him, the historically insensitive read into him their own questions and their own answers. The past studied as an echo of the present is of little interest (and none of that intrinsic), nor can there be much value in the study of those who saw but through a glass, darkly, the truths now so apparent to us. Our intellectual past is important to us because it is different from our intellectual present, and not because it seconds what we presume already to know. I was entirely serious, then, when I said that both the plausibility, and the very meaning of my claim that Hume is a common-sense moralist or a moral realist depends upon considering this claim — and, consequently, Hume — within a particular philosophical context. It will not do to suppose that moral realism 190 is a term with an eternal, unchanging, and Platonic connotation, and then to reject my suggestion outright because Hume was, as I would certainly agree, virtually without sympathy for anything revealing a tincture of Platonism. Philosophical terms as well as philosophical issues are historical, changing entities; it is those who think or act otherwise who smuggle 4 Platonism into the discussion. Doubtless, however, some of the misunderstanding to which I refer is my own responsibility. I can join Hume in saying "I have found by experience, that some of my expressions have not been so well chosen, as to guard against all 5 mistakes in the readers," and so I shall here offer some clarifications of my view. I. To begin, I wish to bring together in one place evidence of the significant qualifications I put on my claim about Hume's moral realism. Taken together, these remarks show that my position is consistent with the widely held (and generally correct, I would say) view that Hume is in one highly important sense a naturalist, and that I ascribe to him a realism that is neither Platonic, Scholastic, Cartesian, nor Hutchesonian: A. If naturalism is thought to be the view "that the whole of the universe or experience may be accounted for by a method like that of the physical sciences," then Hume must certainly be called a naturalist because of his efforts to extend the "experimental Method of Reasoning into moral Subjects".... Hume is a naturalist in that he sought to produce coherent philosophical explanations without the slightest recourse to supernatural entities or transcendental principles... an obvious example of this kind of naturalism... is his attempt to explain moral values as derived from human nature or from, that is, human beings as constituted and active in the world (DH 15-16). 191 B. By no stretch of the imagination can Hume be supposed to have borrowed this providential aspect of Hutcheson's thought, not even in morals (DH 54; also see p. 93). C I submit that /Hume/ holds that vice and disapprobation are not identical and that moral qualities are not merely sentiments but, rather, the objective correlates of sentiments. /Footnote:/ No rash conclusions should be drawn from this claim about objective correlates. I do not suggest that virtue and vice are objects in the ordinary sense (physical objects), or that they are transcendently existing qualities of... (shrink)

We report here on an ongoing study of a self-defining community of physicists whose work spans an interestingly diverse set of subjects, typically in the borderland between macroscopic and microscopic description and between quantum and classical domains. Its methods are typically semi-classical. It is this borderland—of people, subject, and methods—in which we are primarily interested and which we will attempt to characterise. For concreteness, we will focus on the subset of ‘quantum chaos’ and more particularly on the work that the (...) physicists Eric Heller and Steven Tomsovic have called ‘postmodern quantum mechanics’, using their characterisation to ground a somewhat more expansive interpretation. (shrink)

A broad class of inductive logics that includes the probability calculus is defined by the conditions that the inductive strengths [A|B] are defined fully in terms of deductive relations in preferred partitions and that they are asymptotically stable. Inductive independence is shown to be generic for propositions in such logics; a notion of a scale-free inductive logic is identified; and a limit theorem is derived. If the presence of preferred partitions is not presumed, no inductive logic is definable. This no-go (...) result precludes many possible inductive logics, including versions of hypothetico-deductivism. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:More Evidence that Hume Wrote the Abstract David Fate Norton In the preceding paper, David Raynor has offered several reasons for discounting J. O. Nelson's unfounded claim that Adam Smith was the author ofAn Abstract of..."A Treatise ofHuman Nature." Prior to the discovery ofa copy ofthis work, it may have been plausible to suppose that the Abstract was written by someone other than Hume, but the internal evidence (...) ofthe pamphlet is so strongly in favour of Humean authorship that not even Nelson can bring himself to question this evidence—although he now chooses to ignore it. Given that Nelson's argument rests on the far from compelling assumption that in 1740 there were two and onlytwoMr. Smith's ofwhom Humehadknowledge and whomayhave had an interest in writingor publishing philosophy, it is especially useful to have William Smith, publisher of the Bibliothèque raisonnée, brought again to our attention, and especially since it is obvious that a copy of the Abstract had been sent to that journal prior to the pubUcation ofthe review ofthe Treatise published there in the spring of1740.1 In short, Raynor nicely shows why Keynes and Sraffa were wrong to suppose that Hume, Hutcheson and John Noon were all involved in a conspiracy to undercut Noon's interest by publishing an Irish edition ofthe Treatise2 and why Nelson is wrong to suppose that ifthe "Mr Smith" ofHume's letter is not John Smith of Dublin, then he can only be Adam Smith, and that thelatter musthave written the Abstract. I wish to consider further evidence, some of it circumstantial, relevant to this discussion. This evidence adds probability, I submit, to the conclusion that Hume wrote the Abstract. 1. In the autumn of1737 Hume told Henry Home that he could not give him a "general Notion ofthe Plan" or "Abridgement" ofwhat was to be the Treatise. A careless reading ofthe Abstract might lead one to suppose that this is evidence that Hume did not write this short work. But in fact the Abstract is not an abridgement. It is an effort to make clearer, by carefully tracing "one simple argument... from the beginning to the end," a work thathad been "complained of as obscure and difficult." 3 The available evidence confirms one in the belief that Hume could not abridge the Treatise, but on several occasions he did recast parts ofit in more accessible form. The first such recasting was theAbstract. That this briefworkis not merely an abridgement makes Volume XIX Number 1 217 DAVID FATE NORTON itless likely, I suggest, thatit was written by anyone other than Hume himself.4 2.The Abstract, although said to be "Printed for C. [C]orbet,B at Addison's Head, over-against St. Dunstan's Church, in Fleet-street," wasinfactprintedbyWilUam Strahan, fornone otherthanJohnNoon, the publisher of the Treatise.6 This we know from Strahan's ledgers. These are preservedin the British Library.7Moreover, onApril 19 and 20, 1739, Corbett placed the following advertisement in the London Daily Post and GeneralAdvertiser: Gentlemen, As I have very lately undertaken the Business ofa PubUsher, so will I as faithfully execute it, if at any time you please to employ, Your most Obedient, Humble Servant, Charles Corbett, Who will Inviolably keep secret all Names of Authors, Proprietors, &c. whatever. The fact that Corbett indicates his willingness to undertake clandestine, vanity publishing gives all the explanation one needs of his willingness to become front man for a puffproduced by Hume, and financed, as the Abstract was, by Hume's publisher.8 The fact that it was Noon who arranged for the London printing of the Abstract in no way proves that this work was written by Hume, but it is another bit ofevidence supportive ofthatconclusion,foritindicates thatNoon was in on the effort to publicize the poorly selling volumes ofthe Treatise that he had published.9 3.Robert Connon found a copy of volume three of the Treatise containing extensive manuscript amendments in Hume's hand. As he has also reported, a copy of the Abstract is bound together with this copy ofvolume three, and this copy ofthe Abstract is also amended by Hume. These amendments appear to be those of an author, not... (shrink)

Ecosystem health, as James Nelson argues, must be understood as having both descriptive and normative content; it is in this sense a 'morally thick' concept. The health analogy refers (a) at the similarities between conservation ecology and medicine or plant pathology as normative sciences, and (b) to the ability of ecosystems to 'heal' themselves in the face of disturbances. Nelson, however, goes beyond these two aspects and argues that judgements of illness in ecosystems only support moral obligations to protect them (...) if they are attributed a 'good of their own'. But this latter extension of the analogy flies in the face of ecological science, which has been forced to abandon organicism. If one separates the question of the warranted assertibility of environmentalists' goals from the question of where values in nature are located, the search for an objective realm of value realism can be seen to be unnecessary. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:The Past and Future of Environmental Ethics/PhilosophyBryan Norton (bio)About 15 years ago, at one of the first meetings of the group known as the International Society for Environmental Ethics (ISEE) at American Philosophical Association (APA) meetings, I drew an analogy with the field of medical ethics, arguing that environmental ethicists should look beyond philosophy departments and seek liaisons with Schools of Forestry, Schools of Marine Science, and Environmental (...) Studies Programs, and that philosophers should take a more active role in policy discussions and process. At that time, I was actively engaged in the actual policy processes, at the Environmental Protection Agency and other agencies, and perceived that: (a) These agencies desperately needed the kinds of conceptual and normative analysis philosophers could provide; but that (b) Practitioners of environmental policy did not find that the categories and concepts of traditional "metaphysical" approaches to environmental value provided them with useful guidance in policy decision making.My urging gained me some heavy criticism, and even made me some enemies, as leading members of the environmental ethics establishment openly complained that my judgment—in seeing philosophy of environmental protection as needing a basis in analysis of possible actions—had been compromised by "spending too much time inside the beltway."Since those early years, I have watched my colleagues in environmental ethics debate this point, but mainly as a sideline to their metaphysical speculation.In the meantime, my colleagues in medical ethics have populated medical schools, formed liaisons with medical research institutions, and become regular commentators on newscasts about ethically controversial medical issues. Meanwhile, Chris Stone, the legal scholar, had his students do a word search of the Congressional Record over several years, and found almost no references to "environmental ethics."As I see it, there are three differences between the environmental ethics and the medical ethics cases: (1) Philosophers have responded to medical issues by engaging practitioners, while most environmental ethicists have become, at best, "token" members of philosophy departments and, whereas medical ethics practitioners tend to talk about decision criteria [End Page 134] ("informed consent", etc.), environmental ethicist continue to concentrate on the metaphysical foundations of environmental values; (2) The medical profession, beset with public controversies, recognized the need for more ethical discourse about medical choices, and actively embraced philosophers in their programs, whereas most environmental practioners cannot see how philosophical analysis will help them to make better decisions; and (3) Being much wealthier than environmentalists, the medical schools and professionals were able to initiate positions and offer financial support, while environmental ethicists have to compete with other environmental researchers and commentators for small pots of funding.While we can't do much about (3), we can, I assert, do a lot more about (1) and (2). With respect to philosophy departments, the trend may be(and in my view should be) toward developing joint appointments between philosophy departments and policy schools, forestry schools, and environmental studies programs. This will bring philosophers and students into more direct contact with real problems and the language of decision making, rather than metaphysics. And with respect to point (2), I continue to urge environmental philosophers to address real problems, rather than operating on an abstract level and then finding "applications" of these abstractions.Philosophers, in other words, should become more "pragmatic" in their approach to both policy and philosophy. One aspect of this move is the need—after years of thinking of environmental philosophy as environmental ethics—to concentrate on epistemological, not metaphysical, aspects of environmental science and decision making.Let me expand on this last point, because it seems to me to be the most important consideration affecting the future of environmental ethics, at least in the short and medium run. I think the central debates about whether nonhumans have "intrinsic value" will be (and should be) replaced with a vigorous discussion of the epistemology of all environmental values. Recently, two leading environmental philosophers, Baird Callicott and Mark Sagoff, have strongly endorsed what would traditionally be called "non-naturalist" approaches to the epistemology of environmental ethics. For Sagoff, this involved positing "ethical and aesthetic" facts which should guide environmental policy discourse away from any discussion of the utilitarian benefits of an improved... (shrink)

In this reply, we respond to the comments of Palmerino and Laird on our article, "Galileo's Refutation of the Speed Distance Law of Fall Rehabilitated," published in the same issue of Centaurus.

In lieu of an abstract, here is a brief excerpt of the content:NOTES AND DISCUSSIONS 509 covered and interpreted. Depending on their interests and their theories of causation, historians may have any variety of single-facetcd or multi-faceted interpretations. Social history of ideas is one variety. Practitioners of each of the above willnotice omissions of subdivisions and may differ with my definition of their field. Such a reaction would further indicate that indeed there is a plethora of approaches. Such abundance is (...) needed to meet the spectrum of concerns of historically-minded scholars. In each approach the focus is different; an idea, a general topic, the transmission of ideas, a discipline, a specific social environment, an intellectual community, the spirit of an era, a whole society and culture, an event, the life and times of a writer. Ideas do in fact have meaning and function along this full spectrum of contexts. A methodology is chosen which will throw light on a particular kind of context; some of the best scholarship results from the utilization by one individual of complementary methodologies. Fortunately, to compensate for the limitations of individual scholars, we have other scholars! The tensions between the horiz0ntalists and verticalists and between the externalists and intemalists are healthy tensions. Only through communicationamong scholars utilizing differentmethodologies and through attempts by individual scholars to approach their subject from several perspectives can we hope to gain a multi-faceted comprehension of man's past. MARYANNE CLINE HOROWITZ Occidental College DESCARTES' INCONSISTENCY: A REPLY* In my paper, "Descartes on Unknown Faculties: An Essential Inconsistency,''1 I point out that Descartes claims on one occasion that he could have a faculty which is unknown to him (Claim A), but on a second occasion, within the same Meditation, claims the contrary (Claim B). I then try to show that nothing which Descartes achieves or says between A and B justifies this volte face on his part, and subsequently conclude that he is inconsistent in Meditation III, and that this inconsistency is in fact essential to his argument. Professors Brewster and Humphrey have raised objections to my view that Descartes is inconsistent.2 Here I wish to reply to these objections because I think they fail, though sometimesin quite subtle ways, and because I believe I can in this way clarity my earlier contentions. Brewster and Humphrey, as I understand them, have raised three major objections to my paper. These objections, in the order in which I shall take them up, are: I. That I do not have a prima facie case for my claim that Descartes is inconsistent, for * I wish to thank my colleague, Professor Jonathan Robinson, and Professor Donald Livingston of Northern Illinois University for their helpful comments on a draft of this reply. i "Descartes on Unknown Faculties: An Essential Inconsistency," Journal of the History of Philosophy, VI, 3 (July, 1968), 244-256. 2 Leonard E. Brewster, "How to Know Enough about Unknown Faculties," Journal o! the History of Philosophy, XII, 3 (July, 1974), 366--371, and Ted B. Humphrey, "How Descartes Avoids the Hidden Faculties Trap," ibid., 371-377. 510 HISTORY OF PHILOSOPHY Claim A can be demonstrated to be false, and hence Descartes is justified in maldng Claim B. (Brewster)8 Ii. That I fail to note that Claim A is made in a limited context, namely, a discussion of the origin of only those ideas which are adventitious, while Claim B is made in a signilicantly different context, and hence the two claims are not inconsistent. (Humphrey) III. That I have failed to see that for Descartes Jacultiesare always dependent modes of substances, and hence that no faculty could have a power exceeding the substance of which it is a mode, which is to say that I have missed a crucial metaphysical distinction which accounts for the apparent differences in the two claims, and permits both to be made without inconsistency. (Humphrey) I. Professor Brewster argues that I do not have a prima fade case for the claim that Descartes is inconsistent. The "pivotal issue," he suggests, "is whether the possibility of the unknown faculty invalidates Descartes' first proof for the existence of God." He then suggests that this proof consists of three premises: (1) "Descartes' assertion that he possesses an... (shrink)

In lieu of an abstract, here is a brief excerpt of the content:NOTES AND DISCUSSIONS 161 2) You wish him to become what he is not, and no longer to be what he is now (literally: what he is now, no longer to be [283d 2-3]). 3) You wish for his death, since you wish him no longer to be (283d 5-6). The obvious way of dealing with this argument is to make precisely the distinction made by the author of (...) the Dissoi Logoi at V, 15: we should say to Dionysodorus, "Your conclusion that the friends of Cleinias wish for his death is the result of an illegitimate step: you went from 'you wish him not to be ignorant' to 'you wish him not to be'. To have made this step is to have ignored the distinction between existence with respect to some particular thing, i.e., ignorance, and existence in general." (A later critic might point out to Dionysodorus that he has confused the copulative and existential uses of the verb "to be.") It now becomes possible to return to the question, which of the two formulations, (a) or (b), does the author of the Dissoi Logoi presuppose? On the basis of the Euthydemus passage, it seems likely that he presupposed both. The conclusion of Dionysodorus' argument is (b), that Cleinias does not exist, but his conclusion is based upon (a) that Cleinias both is (ignorant) and is not (wise). The Euthydemus passage shows clearly that the words "if someone denies that the man exists" are considerably less of a non sequitur than might first appear. CONCLUSmN. The fallacy-solving distinction of Dissoi Logoi, u 15 was probably understood by Plato~ although not clearly formulated until Aristotle. How is this fact to be assimilated? Is the Dissoi Logoi (or at least this section) much later than has hitherto been presupposed? Or have scholars simply failed to credit its author with this important distinction? Until we have additional studies of the treatise, further discussion would be premature. ROSAMOND KENT SPRAGUE University o] South Carolina HUME'S A LETTER FROM A GENTLEMAN, A REVIEW NOTE In his biography of David Hume, E. C. Mossner notes that on May 21, 1745 there appeared in two Edinburgh newspapers the following advertisement: This Day will be published, and sold by the Booksellersin Town, A LETTER from a Gentlemanto his Friend at Edinburgh: containing some Observations on a Specimenof the PrinciplesconcerningRELIGION and MORALITY, said to be maintain 'd in a Booklately published,intituled, A Treatiseo] Human Nature, &c.I This Letter, Mossner discloses, was sent by David Hume to his friend Henry Home (later Lord Kames), and its publication was, he suggests, the "last 7A later passagein the Euthydemus, 293b ft.,in whichSocratesuses obstructive tactics when the sophistswish to movefrom "knowingx" to "knowingsimpliciter" seems to me to point in this direction.See R. K. Sprague,Plato's Use o] Fallacy (London, 1962),22-23, and passim on secundumquid. 1See The Li]e o] David Hume (Edinburgh: Thomas Nelson & Sons, Ltd., 1954), pp. 153162,esp.p. 160. 162 HISTORY OF PHILOSOPHY frantic effort" by Hume's friends to stem the rising opposition to his appointment to the vacant chair of Ethics and Pneumatical Philosophy at Edinburgh University. Mossner was obliged to report further, however, not only that this effort had been in vain, but also that what "may well constitute an important document in the further interpretation of some aspects of the Treatise" has "never been located." z Now a copy of the Letter has been located. It was purchased from a Birmingham bookseller in December, 1966, by the National Library of Scotland. And, with admirable celerity, a facsimile edition of it has been published by the Edinburgh University Press. Adding still further to the value of this important discovery is the accompanying Introduction which describes the events, parties, and personalities which occasioned the Letter. The editors tell us that John Pringle first offered to resign his chair of philosophy in June, 1744, two years after he had taken leave to accept the position of Physician-General to the British forces in Flanders. He sent his offer to John Coutts, Lord Provost of Edinburgh, and Courts, in turn, suggested to Hume that he apply. Had Pringle not delayed... (shrink)

In my contribution to the Symposium ("On the Vagaries of Determinism and Indeterminism"), I will identify several issues that arise in trying to decide whether Newtonian particle mechanics qualifies as a deterministic theory. I'll also give a mini-tutorial on the geometry and dynamical properties of Norton's dome surface. The goal is to better understand how his example works, and better appreciate just how wonderfully strange it is.

Bryan Norton’s 2005 book Sustainability describes a pragmatic approach to environmental philosophy that stresses philosophy’s role as one of mediating between scientific and ordinary language. But on two topics, Norton’s approach is not pragmatic enough. In the case of his discussion of risk, he accedes to a scientific notion that fails to acknowledge the way that ordinary usage of the word risk involves pragmatic links to human action and moral responsibility. With respect to the word sustainability, his analysis (...) fails to acknowledge important scientific work that characterizes the functional integrity of system cycling, opting instead for usage grounded either in economic accounting or in an even less substantive sense of a broad social movement for environmental improvement. On each of these topics, adherence to the pragmatic orientation of Norton’s philosophy results in a different analysis of the concepts in question. (shrink)

John Norton has recently argued that Newtonian gravitation theory (at least as applied to cosmological contexts where one envisions the possibility of a homogeneous mass distribution throughout all of space) is inconsistent. I am not convinced. Traditional formulations of the theory may seem to break down in cases of the sort Norton considers. But the difficulties they face are only apparent. They are artifacts of the formulations themselves, and disappear if one passes to the so-called "geometrized" formulation of (...) the theory. (shrink)

In 2009, WW Norton published ‘The Red Book’, a book written by Jung in 1913-1914 but not previously published. Snippets of information about the likely contents of the Red Book had been in circulation for years, and there was much debate and eager anticipation of its publication within the Jungian field and the larger reading public. In 2010, a conference was held at the San Francisco Jungian Institute which brought together an international group of distinguished scholars in analytical psychology (...) to explore and address critical contextual aspects of ‘The Red Book’ and to debate its importance for current and future Jungian theory and practice. __The Red Book: Reflections on C.G. Jung’s _Liber Novus_ is based on that conference, the individual papers have been thoroughly revised and updated for this book and address some of the important questions and issues that were raised at that conference in response to the presentation of these papers. As yet there has been very little published about ‘The Red Book’. __The Red Book: Reflections on C.G. Jung’s _Liber Novus_ will contribute to setting the agenda for further research, both scholarly and clinical, in response to Jung’s account of his experiences between 1913-1914, when arguably, the future course of his entire project was set in motion. This book will be essential reading for any Jungian interested in the importance of The Red Book, analytical psychologists, trainee analysts, those with an interest in the history of ideas and historians. (shrink)

Two fundamental categories of any ontology are the category of objects and the category of universals. We discuss the question whether either of these categories can be infinite or not. In the category of objects, the subcategory of physical objects is examined within the context of different cosmological theories regarding the different kinds of fundamental objects in the universe. Abstract objects are discussed in terms of sets and the intensional objects of conceptual realism. The category of universals is discussed in (...) terms of the three major theories of universals: nominalism, realism, and conceptualism. The finitude of mind pertains only to conceptualism. We consider the question of whether or not this finitude precludes impredicative concept formation. An explication of potential infinity, especially as applied to concepts and expressions, is given. We also briefly discuss a logic of plural objects, or groups of single objects (individuals), which is based on Bertrand Russell’s (1903, The principles of mathematics, 2nd edn. (1938). Norton & Co, NY) notion of a class as many. The universal class as many does not exist in this logic if there are two or more single objects; but the issue is undecided if there is just one individual. We note that adding plural objects (groups) to an ontology with a countable infinity of individuals (single objects) does not generate an uncountable infinity of classes as many. (shrink)