Addressing a wide range of topics, from Newton to Post-Kuhnian philosophy of science, these essays critically examine themes that have been central to the influential work of philosopher Michael Friedman.

I aim to clarify the argument for space that Newton presents in De Gravitatione (composed prior to 1687) by putting Newton's remarks into conversation with the account of geometrical knowledge found in Proclus's Commentary on the First Book of Euclid's Elements (ca. 450). What I highlight is that both Newton and Proclus adopt an epistemic progression (or “order of knowing”) according to which geometrical knowledge necessarily precedes our knowledge of metaphysical truths concerning the ontological state of affairs. As I argue, (...) Newton's commitment to this order of knowing clarifies the interplay of the imagination and understanding in geometrical inquiry and illuminates how geometrical knowledge of space can lead to knowledge that space depends on and is related to God. In general, appreciating the Proclean elements of Newton's argument brings added light to the significance of geometrical inquiry for his general natural philosophical program and grants us insight into the philosophical grounding for the notion of absolute space that is presented in the Principia mathematica (1687). (shrink)

In the preface to the Principia (1687) Newton famously states that “geometry is founded on mechanical practice.” Several commentators have taken this and similar remarks as an indication that Newton was firmly situated in the constructivist tradition of geometry that was prevalent in the seventeenth century. By drawing on a selection of Newton's unpublished texts, I hope to show the faults of such an interpretation. In these texts, Newton not only rejects the constructivism that took its birth in Descartes's Géométrie (...) (1637); he also presents the science of geometry as being more powerful than his Principia remarks may lead us to believe. (shrink)

This chapter, which examines the unity shared between what appear to be conflicting modes of natural investigation, an often neglected aspect of the history of British natural philosophy, also discusses the views of Francis Bacon on observation and experiment and describes his system of the sciences. It looks at aspects of Bacon's program for natural philosophy that made critics set the divide Baconian natural philosophy and the mathematical sciences of the seventeenth century. The chapter furthermore highlights the role of the (...) Baconian system of the sciences in the acceptance of Isaac Newton's Principia mathematica. (shrink)

Commentators attempting to understand the empirical method that Isaac Newton applies in his Mathematical Principles of Natural Philosophy (1687) are forced to grapple with the thorny issue of how to reconcile Newton's rejection of hypotheses with his appeal to absolute space. On the one hand, Newton claims that his experimental philosophy does not rely on claims that are assumed without empirical evidence, and on the other hand, Newton appeals to an absolute space that, by his own characterization, does not make (...) any impressions on our senses. Howard Stein (1967, 2002) has offered an insightful strategy for reconciling this apparent contradiction and suggested a way to enhance our understanding of Newton's 'empiricism' such that absolute space can be preserved as a legitimate part of Newton's experimental project. Recently, Andrew Janiak (2008) has posed a worthy challenge to Stein's empirical reading of Newton and directed our attention to the metaphysical commitments that underlie the experimental philosophy of Newton's Principia . Although Stein and Janiak disagree on the degree to which Newton's empiricism influences his natural philosophy, both agree and clearly show that an adequate treatment of Newton's empiricism cannot be divorced from consideration of Newton's views on God and God's relationship to nature. (shrink)

I argue for an interpretation of the connection between Descartes’ early mathematics and metaphysics that centers on the standard of geometrical intelligibility that characterizes Descartes’ mathematical work during the period 1619 to 1637. This approach remains sensitive to the innovations of Descartes’ system of geometry and, I claim, sheds important light on the relationship between his landmark Geometry and his first metaphysics of nature, which is presented in Le monde. In particular, I argue that the same standard of clear and (...) distinct motions for construction that allows Descartes to distinguish ‘geometric’ from ‘imaginary’ curves in the domain of mathematics is adopted in Le monde as Descartes details God’s construction of nature. I also show how, on this interpretation, the metaphysics of Le monde can fruitfully be brought to bear on Descartes’ attempted solution to the Pappus problem, which he presents in Book I of the Geometry. My general goal is to show that attention to the standard of intelligibility Descartes invokes in these different areas of inquiry grants us a richer view of the connection between his early mathematics and philosophy than an approach that assumes a common method is what binds his work in these domains together.Keywords: René Descartes; Geometry; Mathematics; Intelligibility; Metaphysics. (shrink)

We examine the contrast between the “Newtonian style” and the Cartesian, hypothetico-deductive method in order to expand on George Smith's account of working hypotheses and theory-mediation. We stress the pivotal role of theory-mediation in turning experience into well-defined phenomena and introduce the complementary notions of conditional and independent evidence. Conditional evidence is evidence in favor of an hypothesis that is based on phenomena that would not be constituted as phenomena without the hypothesis in question. Direct evidence is evidence based on (...) phenomena that are independently available. We use the distinction to interrogate the role of mathematical representation as the most basic constitutive posit of the Newtonian style, as the working hypothesis that enables all further theory-mediation. Our primary examples are Newton's struggles with motion in fluids and his defense of the Laws of Motion. (shrink)

My goal in this paper is to develop our understanding of the role the imagination plays in Kant’s Critical account of geometry, and I do so by attending to how the imagination factors into the method of reasoning Kant assigns the geometer in the First Critique. Such an approach is not unto itself novel. Recent commentators, such as Friedman (1992) and Young (1992), have taken a careful look at the constructions of the productive imagination in pure intuition and highlighted the (...) importance of the imagination’s activity for securing the universality of geometry knowledge. Specifically, as their respective examinations bring to light, it is only with due attention to the imagination that we can make sense of how a .. (shrink)

Historians of modern philosophy have been paying increasing attention to contemporaneous scientific developments. Isaac Newton's Principia is of course crucial to any discussion of the influence of scientific advances on the philosophical currents of the modern period, and two philosophers who have been linked especially closely to Newton are John Locke and Immanuel Kant. My dissertation aims to shed new light on the ties each shared with Newtonian science by treating Newton, Locke, and Kant simultaneously. I adopt Newton's philosophy of (...) geometry as the starting point of investigation, for here I believe we have a constructive means by which to assess Locke and Kant's relationship to Newton, In particular, I defend the thesis that the justification Newton, Locke and Kant offer for applying geometrical principles to nature is central to understanding their respective ties to a Newtonian science characterized by the intermingling of mathematics and experiment, Although little is said by Locke in regard to a mathematical approach to nature, I hope to show that his interpretation of the origins of our geometrical ideas has a close affinity to Newton's own characterization of geometry, leading us to reexamine the extent of Locke's 'Newtonianism.' Kant famously attempts to bridge the gap between geometry and the empirical world by establishing space as a "pure form of intuition." My discussion of Kant's Newtonian approach to nature centers on the imagination, and I argue that the mediating work completed by this faculty in geometrical construction and experience in general is equally important to understanding Kant's application of geometry to the empirical realm, In the end, I hope my treatment of the strategies employed by Newton, Locke, and Kant to account for a mathematical-experimental method of natural philosophy sheds further light on the importance of Newton to the progress of modern philosophy. (shrink)

In this paper, I examine the manner in which Descartes defends his Vortex Hypothesis in Part III of the Principles of Philosophy, and expand on Ernan McMullin’s characterization of the methodology that Descartes uses to support his planetary system. McMullin illuminates the connection between the deductive method of Part III and the method Descartes uses in earlier portions of the Principles, and he brings needed light to the role that imaginative constructions play in Descartes’s explanations of the phenomena. I develop (...) McMullin’s reading by bringing further attention to the constraints that Descartes places on the imagination in Part III. I focus in particular on the way in which Descartes uses metaphysical truths concerning God’s nature to support his general description of the planetary system, and on the way he relies on a mathematical standard of intelligibility to defend his proposals about the configuration of matter. Attending to the role of metaphysics and mathematics in Part III shows that Descartes’s arguments for the explanatory power of the Vortex Hypothesis are more effective than McMullin suggests. The reading I forward also offers important perspective on how Descartes’s hypotheses in Part III can be seen as both metaphysically and mathematically well-grounded. (shrink)

Those familiar with the Critique of Pure Reason will not at all be surprised that Thomas C. Vinci has found it fitting to dedicate an entire book to the Transcendental Deduction of the Categories, a chapter of the CPR that is as important to Kant’s argument for Transcendental Idealism as it is difficult to decipher. The purpose of that section is to establish the objective validity of the categories—to show, that is, that the pure concepts of the understanding apply to (...) all objects of human experience. While the general goal of the TD may be easy enough to state, the argument strategy that Kant uses to establish the objective validity of the categories is hardly easy to understand.Vinci focuses on the.. (shrink)

Building on the work of Henk Bos and John Schuster, I will examine how the story of Descartes-the-philosopher and Descartes-the-mathematician proceeds in the years immediately following 1628. Specifically, I will focus on the 1633 Le Monde and the 1637 Geometry and hope to show that Descartes is still trying in this period to integrate his distinctively Cartesian version of math with his distinctively Cartesian version of philosophy. Being even more specific, I will look at the creation story presented in Le (...) Monde in conjunction with Descartes’ solution to the Pappus problem, which was published in the Geometry. On the reading I’ll offer, we find both a mathematical influence on the early metaphysics in Le Monde as well as (and this is the heart of my account) a metaphysical grounding for one very important part of the mathematical program that Descartes presents in the Geometry. (shrink)

Some commentators have condemned Kant’s moral project from a feminist perspective based on Kant’s apparently dim view of women as being innately morally deficient. Here I will argue that although his remarks concerning women are unsettling at first glance, a more detailed and closer examination shows that Kant’s view of women is actually far more complex and less unsettling than that attributed to him by various feminist critics. My argument, then, undercuts the justification for the severe feminist critique of Kant’s (...) moral project. (shrink)

In the Philippines, all transplant centers are mandated by the Department of Health (DOH) to have a Hospital Transplant Ethics Committee (HTEC) to ensure that donations are altruistic, voluntary and free of coercion/commercial transactions. This study was undertaken primarily to describe the organizational and functional profile of existing HTECs and identify areas for improvement. This is a descriptive cross‐sectional study. There was variation in their logistical arrangements (support from hospital, filing systems, office spaces), operations (length and frequency of meetings, number (...) of referrals) and membership (composition, qualifications, occupation, training). The approval rate for donor‐recipient pairs is high with the majority of cases made by living non‐related donors. Appropriate reasons were cited for rejection. The perception of HTECs is that they are competent and confident in their decision‐making. However, there is a need to standardize HTEC composition, provide operating procedures and additional training which can be done by the DOH. (shrink)

En quoi consiste, ou devrait consister, l'éthique professionnelle en enseignement? Comment se manifeste-t- elle dans les gestes pédagogiques? Selon quels critères peut-on la juger? Comment développer l'éthique professionnelle dans le cadre des formations initiale et continue en enseignement? En tenant compte du contexte social et culturel du Québec, des principes éthiques déjà énoncés par le ministère de l'Education ainsi que des lois, codes et conventions ayant des incidences sur la pratique enseignante, les auteures présentent des éléments à considérer pour la (...) réflexion éthique sur l'agir professionnel. Elles proposent des clarifications conceptuelles et un certain nombre de repères et de balises afin de guider les enseignants et de stimuler la discussion sur l'éthique professionnelle, non seulement dans la classe, mais aussi dans l'école et dans la société. (shrink)

"Charming, interesting, thought-provoking and a great read." Rosalind Hursthouse The daughter of a pacifist rector who answered "No!" when his congregation asked him "Is everything in the bible true?", perhaps Mary Midgley was destined to become a philosopher. Yet few would have thought this inquisitive, untidy, nature-loving child would become "one of the sharpest critical pens in the west." This is her remarkable story. Probably the only philosopher to have been in Vienna on the eve of its invasion by (...) Nazi Germany in 1938 and dance in Trafalgar Square on VE day seven year later, she studied philosophy at Oxford in the same year as Iris Murdoch, Elizabeth Anscombe and Philippa Foot, all of whom became close friends. Midgley tells us in vivid and humorous fashion how they cut a swathe through the arid landscape of 1950s British philosophy, writing and arguing - often with each other - about the grand themes of character, beauty and the meaning of rudeness while the spectral figure of Ludwig Wittgenstein hovered in the background. She also charts the highs and lows of philosophy and academia in Britain. On joining the Reading philosophy department on £400 a year in 1949, she doubled its staff complement. But her many years at Newcastle University - where Mike Brearley, who later captained England at cricket, also used to teach - were rewarded with the closure of the philosophy department in the 1980s. The mother of three children, her journey is also one of a woman who in the 1950s and 1960s was fighting to combine a professional career with raising a family. In startling contrast to many of the academic stars of her generation, we learn that Midgley nearly became a novelist and started writing philosophy only when in her fifties, suggesting that Minerva's owl really does fly at dusk. Plainly told like her philosophy, this is an elegiac and moving account of friendships found and lost, bitter philosophical battles and of a profound love of teaching all too rarely acknowledged today. (shrink)

Plato famously promised to complement the Sophist and the Statesman with another work on a third sort of expert, the philosopher--but we do not have this final dialogue. Mary Louise Gill argues that Plato promised the Philosopher, but did not write it, in order to stimulate his audience and encourage his readers to work out, for themselves, the portrait it would have contained. The Sophist and Statesman are themselves members of a larger series starting with the Theaetetus, Plato's investigation (...) of knowledge, and the whole series relies on the Parmenides, the second part of which presents a philosophical exercise, introduced as the first step in a larger philosophical program. Gill contends that the dialogues leading up to the missing Philosopher, though they reach some substantive conclusions, are philosophical exercises of various sorts designed to train students in dialectic, the philosopher's method; and that a second version of the Parmenides exercise, closely patterned on it, spans parts of the Theaetetus and Sophist and brings the philosopher into view. This is the exercise about being, the subject-matter studied by Plato's philosopher. Plato hides the pieces of the puzzle and its solution in plain sight, forcing his students (and modern readers) to dig out the pieces and reconstruct the project. Gill reveals how, in finding the philosopher through the exercise, the student becomes a philosopher by mastering his methods. She shows that the target of Plato's exercise is internally related to its pedagogical purpose. (shrink)

This paper criticizes Langton's speech act account of MacKinnon's claim about (the subordinating force of) pornography and offers a different account of how speech might enact harmful norms and thus constitute harm.

Solving the problem of moral luck—the problem of dealing with conflicting intuitions about whether moral blameworthiness varies with luck in cases of negligence—is like repairing a dented fender in front of two kinds of critic. The one keeps telling you that there is no dent, and the other sees the dent but keeps warning you that repairing it will do more harm than good. It is time to straighten things out. As I argue elsewhere, the solution to the problem of (...) moral luck is finally revealed. Our task now is twofold: to hold a magnifying glass up to the initial problem, so that all might finally see it; and to dismiss unfounded fears about solving that problem, so that all might finally stop grinning and bearing it. (shrink)

Rae Langton and Jennifer Hornsby argue that there may be a free-speech argument against pornography, if pornographic speech has the power to illocutionarily silence women: women's locution ‘No!’ that aims to refuse unwanted sex may misfire because pornography creates communicative conditions where the locution does not count as a refusal. Central to this is the view that women's speech lacks uptake, which is necessary for illocutionary acts like that of refusal. Alexander Bird has critiqued this view by arguing that uptake (...) is not necessary for the illocutionary act of refusal. The Hornsby-Langton view, then, is philosophically indefensible. Here I defend the philosophical cogency of the Hornsby-Langton approach. (shrink)

The unity of aesthetic and teleological judgment, the third and earlier Critiques, is based on Kant′s discovery of a “heuristic method” for applying judgments regarding sense phenomena to abstract thought, a “second attention” which enables an “idea of the whole”. Synthetic judgment, basis for cognition and human action, depends on efficacy of non-empirical insights: the transcendental standpoint, “regulative” ideas, consciousness of “ought” and the reality of freedom, universality of natural mechanism, the principle of “fortuitous” purposiveness. The activity of reflective judgment (...) in the encounter with the beautiful, sublime, living, and two paradigmatic types of explanation, inspired by Spinoza′s distinction of extensio and cogitatio, permit Kant to bridge the gap between freedom and necessity, theoretical knowledge and morality. (shrink)

Science as Salvation discusses the high spiritual ambitions which tend to gather round the notion of science. Officially, science claims only the modest function of establishing facts. Yet people still hope for something much grander from it--namely, the myths by which to shape and support life in an increasingly confusing age. Our faith in science is abused by some scientists whose adolescent fantasies have spilled over into their professional lives. Salvation, immortality, mastery of the universe, humans without bodies, and intelligent (...) self-reproducing computers are just some of the notions and speculations that are now found--not on the pages of science fiction--but on the pages of science itself. The danger is that these concepts are given to a myth-hungry public who turn to science now that religion has lost its ability to create myth. Science as Salvation discusses the function and meaning of such fantasies. Midgley examines the need for and the use of myth in science, and how science and religion are related. She argues that we need to develop a realistic understanding of scientific imagination and its importance. Taking them seriously as symptoms of a genuine myth-hunger, it suggests that the proper function of science may need to include wider perspectives, which would make it plain that such desperate, compensatory dramas are unnecessary. (shrink)

A leader in the modern commentary on ethics and philosophy, Mary Warnock casts a critical eye over her life and times.

How does Plato view his philosophical antecedents? Plato and his Predecessors considers how Plato represents his philosophical predecessors in a late quartet of dialogues: the Theaetetus, the Sophist, the Politicus and the Philebus. Why is it that the sophist Protagoras, or the monist Parmenides, or the advocate of flux, Heraclitus, are so important in these dialogues? And why are they represented as such shadowy figures, barely present at their own refutations? The explanation, the author argues, is a complex one involving (...) both the reflective relation between Plato's dramatic technique and his philosophical purposes, and the very nature of his late philosophical views. For in these encounters with his predecessors we see Plato develop a new account of the principles of reason, against those who would deny them, and forge a fresh view of the best life - the life of the philosopher. (shrink)