This chapter examines the views of seventeenth-century British philosophers on the notion of logic and demonstrative knowledge, particularly Francis Bacon, Thomas Hobbes, and John Locke, offering an overview of traditional Aristotelianism in relation to logic and describing Bacon's approach to demonstration and logic. It also analyzes the contribution of the Cambridge Platonists and evaluates the influence of Cartesianism. The chapter concludes that theorizing about logic and demonstrative knowledge followed an arc familiar from other branches of philosophy (...) such as metaphysics or the philosophy of science. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:141 HUME AND DEMONSTRATIVE KNOWLEDGE Little could be clearer than that Hume's sceptical arguments concerning induction and causation depend to some considerable extent on his contention that there can be no demonstrative arguments for matters of fact. An understanding of his use of the terms 'demonstration', 'demonstrative reasoning' etc., would seem to be a prerequisite for a satisfactory appraisal of those arguments. What is almost (...) as clear, however, is that these terms have so far evaded much critical discussion and, with one notable exception, it seems to be assumed that we know well enough what they mean. That exception is David Stove, whose book on Hume contains, among many good things, a boldly provocative discussion of these terms in relation to the sceptical argument. Stove has interesting things to say about the terms: I don't think that he is quite right, but then neither is he straightforwardly wrong. I shall present his account, and the one to which he is opposed, and then, after criticising both, I shall try to show why the truth lies elsewhere, and why we begin to approach Hume correctly only when we temper our fascination with the purely formal structures of argument. Inductive scepticism is, of course, that scepticism which claims that there can be neither knowledge nor reasonable beliefs about unobserved matters of fact. Thus inductive arguments, those arguments which attempt to ground beliefs in unobserved matters of fact are, under this scepticism, claimed to 142 be bad arguments. Deductively valid arguments are, of course, often good, but it seems that they are unable to be utilised in justifying beliefs in unobserved matters of fact. The problem of induction is thus that of explaining how these non-valid inductive arguments can be forceful, and Hume's scepticism about induction resides in his believing and arguing, or appearing to believe and to argue, that they cannot. Hume himself does not, however, use the terms 'inductive', 'deductive' and their cognates. Some translation has therefore been employed in getting from his writings to the rough and ready sketch of the problem of induction as presented above. Stove spends some considerable time on this, and there is surely nothing wrong with his careful glossing of Humes 'moral' and 'probable' arguments by our term 'induetive '. There are, however, good reasons to tread carefully where 'demonstrative' is concerned. Stove's remarks here are somewhat contentious, and before giving his version of what Hume's term means, I shall present what may be accounted the standard view. While Hume does not use the term 'deductive', he does make freguent use of 'demonstration' and its derivatives, and he uses these in such a way as to suggest that a gloss via our term 'deduction' will not be far off the mark. Consider, for example, the following passage: Our foregoing method of reasoning will easily convince us, that there can be no demonstrative arguments to prove, that those instances, of which we have had no experience, resemble those, of which we have had experience. We can at least conceive a change in the course of nature; which sufficiently proves, that such a change is not absolutely impossible. To form a clear idea of anything, is an 143 undeniable argument for its possibility, and is alone a refutation of any pretended argument against it. (T 89) His point here seems to be that as alternative states of affairs remain possible, and are thus compatible with all the evidence upon which is based the hypothesis about continuing uniformity, it cannot be claimed that the persistence of such uniformity is established by argument. A similar account will be given of the following passage from the Enquiry: When a man says, I have found, in all past instances, such sensible qualities conjoined with such secret powers: And when he says, Similar sensible gualities will always be conjoined with similar secret powers, he is not guilty of a tautology, nor are these propositions in any respect the same. You say that the one proposition is an inference from the other. But you must confess that the inference is not intuitive; neither is it demonstrative.... (E 37) It is tempting to understand Hume here as once again... (shrink)

This collection of essays is the product of a conference on Aristotle’s Posterior Analytics (Apo) held at the University of North Carolina at Chapel Hill in 2009. The essays address three main questions: (1) “How does the APo model of scientific knowledge, focused as it is on the construction of syllogisms, relate to the scientific accounts Aristotle presents elsewhere, especially in the biological treatises?’ (2) ‘How do the arguments and views presented in the APo relate to other aspects of (...) Aristotle’s philosophy?’ and (3) ‘How do the remarks in the concluding chapter of the APo concerning perception, memory, experience, and the grasp of the universal add up to an explanation of how we come to know first principles?’ The papers by J.G. Lennox, M. Leunissen and R. McKirahan address the first two questions, while those by M. Tuominen and G. Salmieri discuss the well-known passage in Apo II 19. (shrink)

This book makes available for the first time an English translation of William of Ockham's work on Aristotle's _Posterior Analytics_, which contains his theory of scientific demonstration and philosophy of science. John Lee Longeway also includes an extensive commentary and a detailed history of the intellectual background to Ockham's work. He puts Ockham into context by providing a scholarly account of the reception and study of the _Posterior Analytics_ in the Latin Middle Ages, with a detailed discussion of Robert Grosseteste, (...) Albert the Great, Thomas Aquinas, Duns Scotus, and Giles of Rome. In a series of appendices, Longeway includes shorter translations of some important related work by Giles of Rome and John of Cornwall. In his introductory discussion, Longeway examines the exact character of the highest sort of demonstration, the relations of the empirical sciences to mathematics, natural causation and the manner in which natural laws come to be known, the possibility of natural knowledge, our knowledge of God, and the relation of theology to the other sciences. Longeway discusses the way in which scientific epistemology and theory of demonstration corresponds to the metaphysical position of its interpreter, in particular to the Neoplatonism of Grosseteste, the radical Aristotelianism of Giles of Rome and Albert the Great, the more moderate Aristotelianism of Aquinas, and the nominalistic empiricism of Ockham. Throughout the book, Longeway makes a case for Ockham's importance as the founder of empiricism in the West. _ “The present work is the result of decades of study of Ockham's philosophy of science. The translation and commentary are introduced by a chapter in which Longeway presents an overview of Ockham's thought in this area and highlights its philosophical significance. This introduction is in its own right a significant contribution to the history of philosophy.” — Owen Goldin, Marquette University_ "Like much else in medieval philosophy, medieval theories of demonstrative knowledge are historically important, philosophically interesting, and little understood. There are a few extensive studies into medieval discussions of demonstration and even fewer translations of these important discussions. Longeway's_ Demonstration and Scientific Knowledge in William of Ockham_ is, therefore, an important contribution to the field. This work contains not only an extensive set of translations of Ockham's work on the theory of demonstration, but also a book-length introduction in which Longeway surveys the development of medieval theories of demonstration prior to Ockham and situates Ockham's discussion within that development. The book will be of value to any scholar interested in Ockham's thought as well as to anyone interested more generally in medieval discussions of demonstration, science, and epistemology." —_Susan Brower-Toland, Saint Louis University_. (shrink)

From scientia to science Content Type Journal Article DOI 10.1007/s11016-010-9483-3 Authors Peter R. Anstey, Department of Philosophy, University of Otago, PO Box 56, Dunedin, 9054 New Zealand Journal Metascience Online ISSN 1467-9981 Print ISSN 0815-0796.

After introducing semantic anti-realism and the paradox of knowability, the paper offers a reconstruction of the anti-realist argument from understanding. The proposed reconstruction validates an unrestricted principle to the effect that truth requires the existence of a certain kind of “demonstration”. The paper shows that that principle fails to imply the problematic instances of the original unrestricted feasible-knowability principle but that the overall view underlying the new principle still has unrestricted epistemic consequences. Appealing precisely to the paradox of knowability, the (...) paper also argues, against the BHK semantics, for the non- constructive character of the demonstrations envisaged by semantic anti-realism, and contends that, in such setting, one of the most natural arguments for a broadly intuitionist revision of classical logic loses all its force.Tras presentar el anti-realismo semántico y la paradoja de la cognoscibilidad, el artículo ofrece una reconstrucción del argumento anti-realista basado en la comprensión. La reconstrucción que se propone valida un principio irrestricto, del que se sigue que la verdad requiere la existencia de un determinado tipo de “demostración”. El artículo muestra que este principio no implica las instancias problemáticas del original principio irrestricto de la cognoscibilidad realizable, y que la concepción general que subyace al nuevo principio todavía tiene consecuencias epistémicas irrestrictas. Apelando precisamente a la paradoja de la cognoscibilidad, el artículo argumenta además, en contra de la semántica BHK, a favor del carácter no constructivo de las demostraciones que contempla el anti-realismo semántico, y defiende que, en ese marco, uno de los argumentos más naturales a favor de una revisión a grandes rasgos intuicionista de la lógica clásica pierde toda su fuerza. (shrink)

Alexander W. Hall - Demonstration and Scientific Knowledge in William of Ockham: A Translation of Summa Logicae III-II: De Syllogismo Demonstrativo, and Selections from the Prologue to the Ordinatio - Journal of the History of Philosophy 46:1 Journal of the History of Philosophy 46.1 170-172 Muse Search Journals This Journal Contents Reviewed by Alexander W. Hall Clayton State University John Lee Longeway, translator. Demonstration and Scientific Knowledge in William of Ockham: A Translation of Summa Logicae III–II: De Syllogismo (...) Demonstrativo, and Selections from the Prologue to the Ordinatio. Notre Dame, IN: University of Notre Dame Press, 2007. Pp. xx + 432. Cloth, $58.00. William of Ockham never delivered his promised exposition of Posterior Analytics. In its place, we have Summa Logicae III–II, and the Prologue to his Ordinatio... (shrink)

according to aristotle's posterior analytics, scientific expertise is composed of two different cognitive dispositions. Some propositions in the domain can be scientifically explained, which means that they are known by "demonstration", a deductive argument in which the premises are explanatory of the conclusion. Thus, the kind of cognition that apprehends those propositions is called "demonstrative knowledge".1 However, not all propositions in a scientific domain are demonstrable. Demonstrations are ultimately based on indemonstrable principles, whose knowledge is called "comprehension".2 (...) If the knowledge of all scientific propositions were... (shrink)

The book offers a new treatment of the capacity to perceive, act on, and know about the world together with others. I argue that creatures capable of joint attention stand in a unique perceptual and epistemic relation to their surroundings: they operate in an environment that they, through their communication with their fellow perceivers, help constitute. I show that this relation can be marshaled to address a range of questions about the social aspect of the mind and its perceptual and (...) cognitive capacities. I begin with a conceptual question about a complex kind of sociocognitive phenomenon—perceptual common knowledge—and develop an empirically informed account of the spatial structure of the environment in and about which such knowledge is possible. In the course of his argument, I address such topics as demonstrative reference in communication, common knowledge about jointly perceived objects, and spatial awareness in joint perception and action. (shrink)

Beyond the major-minor tonality that characterizes classical and contemporary Western musical genres, Turkish classical and folk music offer experimental psychologists a rich modal system in which cognition, development, and enculturation can be studied. Here, we present a cross-cultural experiment concerning implicit knowledge of musical scales. Five groups of participants—American musicians and nonmusicians, Turkish musicians and nonmusicians, and Turkish classical and folk music listeners—were asked to listen to brief melodies composed using the member tones of either the major scale or (...) the rast makam, a microtonal mode found within Turkish classical and folk genres with no equivalent in Western music. Following each melody, participants were asked to identify whether a probe tone had been presented in the melody, providing confidence ratings on a six-point scale. In general, participants’ short-term memory was influenced by implicit knowledge of musical scales, with the major scale eclipsing the rast makam even in listeners experienced with Turkish genres. Prior work and future directions in cross-cultural music cognition research are discussed. (shrink)

Postdisciplinary Knowledge is the first book to articulate postdisciplinarity in philosophical, theoretical and methodological terms, helping to establish it as an important intellectual movement of the 21st century. It formulates what postdisciplinarity is, and how it can be implemented in research practice. The diverse chapters present a rich collection of highly creative thought-provoking essays and methodological insights. Written by a number of pioneering intellectuals with a range of backgrounds and research foci, these chapters cover a broad spectrum of areas (...) demonstrating alternative ways of producing knowledge. Essays are interspersed with dialogue, encouraging a comprehensive and engaging discussion on this emerging movement. Not limited to a specific field or discipline, this will be of great interest to upper level students and researchers in a wide range of subject areas, including: tourism, sociology, education, psychology, physiotherapy, fine arts, architecture and design, as well as those with a general interest in epistemology and methodology. (shrink)

The theory of knowledge, or epistemology, is often regarded as a dry topic that bears little relation to actual knowledge practices. Knowledge: The Philosophical Quest in History addresses this perception by showing the roots, developments and prospects of modern epistemology from its beginnings in the nineteenth century to the present day. Beginning with an introduction to the central questions and problems in theory of knowledge, Steve Fuller goes on to demonstrate that contemporary epistemology is enriched by (...) its interdisciplinarity, analysing keys areas including: Epistemology as Cognitive Economics Epistemology as Divine Psychology Epistemology as Philosophy of Science Epistemology as Sociology of Science Epistemology and Postmodernism. A wide-ranging and historically-informed assessment of the ways in which man has - and continues to - pursue, question, contest, expand and shape knowledge, this book is essential reading anyone in the Humanities and Social Sciences interested in the history and practical application of epistemology. (shrink)

The fruits of knowledge—such as books, data, and ideas—tend to generate far more attention than the ways in which knowledge is produced and acquired. Correcting this imbalance, Making Knowledge in Early Modern Europe brings together a wide-ranging yet tightly integrated series of essays that explore how knowledge was obtained and demonstrated in Europe during an intellectually explosive four centuries, when standard methods of inquiry took shape across several fields of intellectual pursuit. Composed by scholars in disciplines (...) ranging from the history of science to art history to religious studies, the pieces collected here look at the production and consumption of knowledge as a social process within many different communities. They focus, in particular, on how the methods employed by scientists and intellectuals came to interact with the practices of craftspeople and practitioners to create new ways of knowing. Examining the role of texts, reading habits, painting methods, and countless other forms of knowledge making, this volume brilliantly illuminates the myriad ways these processes affected and were affected by the period’s monumental shifts in culture and learning. (shrink)

How can we explain our capacity to think about particulars in our external environment? Many philosophers have answered this question in terms of a sophisticated conception of space and time and the movement of objects therein. A more recent reaction against this view sought to explain this capacity solely in terms of perceptual mechanisms of object individuation. Neither explanation remains fully satisfactory. This book argues for a more desirable middle ground in terms of a pragmatist approach to demonstrative thought, (...) where this capacity is explained through graded practical knowledge of objects. This view allows us to do justice to important insights put forward by both positions criticized in the book, while avoiding their potential shortcomings. It also paves the way to a more pragmatist approach to the theory of mental representation, where the notion of practical knowledge is allowed to play a central role in our cognitive life. Finally, it shows how practical knowledge may be firmly rooted in neurobiological processes and mechanisms that conform to what the empirical sciences tell us about the mind. (shrink)

Is knowledge justified true belief? Most philosophers believe that the answer is clearly ‘no’, as demonstrated by Gettier cases. But Gettier cases don’t obviously refute the traditional view that knowledge is justified true belief (JTB). There are ways of resisting Gettier cases, at least one of which is partly successful. Nevertheless, when properly understood, Gettier cases point to a flaw in JTB, though it takes some work to appreciate just what it is. The nature of the flaw helps (...) us better understand the nature of knowledge and epistemic justification. I propose a crucial improvement to the traditional view, relying on an intuitive and independently plausible metaphysical distinction pertaining to the manifestation of intellectual powers, which supplements the traditional components of justification, truth and belief. (shrink)

I argue that S knows that p implies that S is properly committed to the truth of p, not that S believes that p. Belief is not required for knowledge because it is possible that one could know that there are no beliefs. Being ‘properly committed’ to the truth of a proposition is a matter of having a certain normative status, not occupying a particular psychological state. After arguing that knowledge requires commitment instead of belief, I go on (...) to demonstrate the theoretical utility of this hypothesis. (shrink)

An influential proposal is that knowledge involves safe belief. A belief is safe, in the relevant sense, just in case it is true in nearby metaphysically possible worlds. In this paper, I introduce a distinct but complementary notion of safety, understood in terms of epistemically possible worlds. The main aim, in doing so, is to add to the epistemologist’s tool-kit. To demonstrate the usefulness of the tool, I use it to advance and assess substantive proposals concerning knowledge and (...) justification. (shrink)

As an introduction to explicating the concept of basic knowledge, I shall examine Aristotle's argument for the existence of basic knowledge and urge two basic points. The first point is that Aristotle's argument, properly viewed, establishes the existence of a kind of knowledge, basic or non-demonstrative knowledge, the definition of which does not require the specification of, and hence the satisfaction of,anyevidence condition. This point has been urged by philosophers like Peirce and Austin but it (...) needs further argumentation because most analytic epistemologists still insist thatallknowledge, whether basic or non-basic, requires the satisfaction of some evidence condition. Secondly, to urge that the basic propositions whose existence is established by Aristotle's argument could be privileged but not known, for the reason that there is no evidence condition for them, would be to adopt a position that either entails wholesale skepticism or undermines the basic distinction between knowledge and belief. (shrink)

What determines the reference of first-person thoughts—thoughts that one would express using the first-person pronoun? I defend a model on which our ways of gaining knowledge of ourselves do, in much the way that our ways of gaining knowledge of objects in the world determine the reference of perceptual demonstrative thoughts. This model—the Demonstrative Model of First-Person Thought—can be motivated by reference to independently plausible general principles about how reference is determined. But it faces a serious (...) objection. There seems to be an explanatory rival to it with a great deal of plausiblility. The rival is The Simple Rule Model, which says that first-person thoughts are governed by the simple rule that any token of one will be about the person whose token it is. I pinpoint a crucial unclarity in The Simple Rule Model, hinging on how we understand the notion of a rule, and argue that no version of the Simple Rule Model is both plausible and a genuine explanatory rival to the Demonstrative Model. I also provide an argument that the Demonstrative Model is extensionally adequate. (shrink)

The challenge this book addresses is to demonstrate how, in teaching content knowledge, the development of intellectual and moral dispositions as virtues is not merely a good idea, or peripheral to that content, but deeply embedded in the logic of searching for knowledge and truth. It offers a powerful example of how philosophy of education can be brought to bear on real problems of educational research and practice – pointing the reader to re-envision what it means to educate (...) children by developing the person, instead of simply knowledge and skills. Connected intimately to the practice of teaching and teacher education, the book sets forth an alternative theory of education where the developing person is at the center of education set in a moral space and a political order. To this end, a framework of public and personal knowledge forms the content, to which personal dispositions are integral, not peripheral. The book’s pedagogy is invitational, welcoming its readers as companions in inquiry and thought about the moral aspects of what we teach as knowledge. (shrink)

Knowledge Societies offers both a critical examination of existing social theory, and a new synthesis of social theory with the actual study of knowledge relations in advanced economies. Some of the elements explored are scientization: the penetration not only of production but of most social action by scientific knowledge; the transformation of access to knowledge through higher education; the growth of experts (managers, accountants, advisors, and counselors) and of corresponding institutions based on the deployment of specialized (...) knowledge; and a shift in the nature of societal conflict from struggles about income and property to claims and conflicts about generalized human needs. Nico Stehr's argument amply demonstrates not only that all social theories now need to take into account the changing nature of social relations around knowledge, but also the parameters within which this analysis should take place. This book is essential reading for all those interested in social theory, sociology of knowledge and science, and the general issue of knowledge in the late 20th century. (shrink)

I intend to demonstrate that the usual understanding of the ideals and norms of scientific cognition, which is often considered inseparable from the very notion of science itself, arose in concrete historical conditions; furthermore, these ideals and norms were connected with a certain type of research and a certain type of culture. As we are beginning to realize, such an understanding of ideals and norms does not work in other historical and cultural situations. I also try to show that some (...) interpretations of the ideals and goals of science, as well as some ideas about the world (which were considered pre-scientific) gain new significance in the context of contemporary knowledge. (shrink)

In this work the distinguished physical chemist and philosopher, Michael Polanyi, demonstrates that the scientist's personal participation in his knowledge, in both its discovery and its validation, is an indispensable part of science itself. Even in the exact sciences, "knowing" is an art, of which the skill of the knower, guided by his personal commitment and his passionate sense of increasing contact with reality, is a logically necessary part. In the biological and social sciences this becomes even more evident. (...) The tendency to make knowledge impersonal in our culture has split fact from value, science from humanity. Polanyi wishes to substitute for the objective, impersonal ideal of scientific detachment an alternative ideal which gives attention to the personal involvement of the knower in all acts of understanding. His book should help to restore science to its rightful place in an integrated culture, as part of the whole person's continuing endeavor to make sense of the totality of his experience. In honor of this work and his The Study of Man Polanyi was presented with the Lecomte de Noüy Award for 1959. (shrink)

Dialectic, as one of the methods of philosophy, is characterized by being prepositional, interrogative, controversial, and interminable. These notes suffice to distinguish dialectic from science, sophistic, rhetoric, and, generally, from intuitive and demonstrative knowledge. Each note also determines a function which dialectic fulfills in philosophical inquiry. The interrogative function is best seen in the consideration of principles and the formulation of problems. As prepositional and controversial, philosophy depends upon the history of philosophy and is engaged in a continuous (...) controversy which, as interminable, is capable of progress as dialectic ensures and promotes a community of understanding. (shrink)

Five experiments demonstrate the central role of knowledge attributions in social evaluations. In Experiments 1–3, we manipulated whether an agent believes, is certain of, or knows a true proposition and asked people to rate whether the agent should perform a variety of actions. We found that knowledge, more so than belief or certainty, leads people to judge that the agent should act. In Experiments 4–5, we investigated whether attributions of knowledge or certainty can explain an important finding (...) on how people act based on statistical evidence, known as “the Wells effect”. We found that knowledge attributions, but not certainty attributions, mediate this effect on decision making. 2018 APA, all rights reserved). (shrink)

This volume brings historians of science and social historians together to consider the role of "little tools"--such as tables, reports, questionnaires, dossiers, index cards--in establishing academic and bureaucratic claims to authority and objectivity. From at least the eighteenth century onward, our science and society have been planned, surveyed, examined, and judged according to particular techniques of collecting and storing knowledge. Recently, the seemingly self-evident nature of these mundane epistemic and administrative tools, as well as the prose in which they (...) are cast, has demanded historical examination. The essays gathered here, arranged in chronological order by subject from the late seventeenth to the late twentieth century, involve close readings of primary texts and analyses of academic and bureaucratic practices as parts of material culture. The first few essays, on the early modern period, largely point to the existence of a "juridico-theological" framework for establishing authority. Later essays demonstrate the eclipse of the role of authority per se in the modern period and the emergence of the notion of "objectivity." Most of the essays here concern the German cultural space as among the best exemplars of the academic and bureaucratic practices described above. The introduction to the volume, however, is framed at a general level the closing essays also extend the analyses beyond Germany to broader considerations on authority and objectivity in historical practice. The volume will interest scholars of European history and German studies as well as historians of science. Peter Becker is Professor of Central European History, European University Institute. William Clark is Lecturer in History and Philosophy of Science, Cambridge University. (shrink)

Graciela De Pierris presents a novel interpretation of the relationship between skepticism and naturalism in Hume's epistemology, and a new appraisal of Hume's place within early modern thought. Contrary to dominant readings, she argues that Hume does offer skeptical arguments concerning causation and induction in Book I, Part III of the Treatise, and presents a detailed reading of the skeptical argument she finds there and how this argument initiates a train of skeptical reasoning that begins in Part III and culminates (...) in Part IV. She goes on to demonstrate that Hume was committed to the Newtonian inductive method while rejecting the place of the supernatural in our understanding of nature. (shrink)

This monograph addresses the question of the increasing irrelevance of philosophy, which has seen scientists as well as philosophers concluding that philosophy is dead and has dissolved into the sciences. It seeks to answer the question of whether or not philosophy can still be fruitful and what kind of philosophy can be such. The author argues that from its very beginning philosophy has focused on knowledge and methods for acquiring knowledge. This view, however, has generally been abandoned in (...) the last century with the belief that, unlike the sciences, philosophy makes no observations or experiments and requires only thought. Thus, in order for philosophy to once again be relevant, it needs to return to its roots and focus on knowledge as well as methods for acquiring knowledge. Accordingly, this book deals with several questions about knowledge that are essential to this view of philosophy, including mathematical knowledge. Coverage examines such issues as the nature of knowledge; plausibility and common sense; knowledge as problem solving; modeling scientific knowledge; mathematical objects, definitions, diagrams; mathematics and reality; and more. This monograph presents a new approach to philosophy, epistemology, and the philosophy of mathematics. It will appeal to graduate students and researchers with interests in the role of knowledge, the analytic method, models of science, and mathematics and reality. (shrink)

Tacit knowledge is the form of implicit knowledge that we rely on for learning. It is invoked in a wide range of intellectual inquiries, from traditional academic subjects to more pragmatically orientated investigations into the nature and transmission of skills and expertise. Notwithstanding its apparent pervasiveness, the notion of tacit knowledge is a complex and puzzling one. What is its status as knowledge? What is its relation to explicit knowledge? What does it mean to say (...) that knowledge is tacit? Can it be measured? Recent years have seen a growing interest from philosophers in understanding the nature of tacit knowledge. Philosophers of science have discussed its role in scientific problem-solving; philosophers of language have been concerned with the speaker's relation to grammatical theories; and phenomenologists have attempted to describe the relation of explicit theoretical knowledge to a background understanding of matters that are taken for granted. This book seeks to bring a unity to these diverse philosophical discussions by clarifying their conceptual underpinnings. In addition the book advances a specific account of tacit knowledge that elucidates the importance of the concept for understanding the character of human cognition, and demonstrates the relevance of the recommended account to those concerned with the communication of expertise. The book will be of interest to philosophers of language, epistemologists, cognitive psychologists and students of theoretical linguistics. (shrink)

Recently, Dan O’Brien has argued that there are situations in which a hearer can gain testimonial knowledge from a speaker who is lying. In order to make his case, O’Brien presents two examples where a speaker lies to a hearer, but supposedly the hearer comes to have testimonial knowledge on the basis of the lying speaker’s testimony. O’Brien claims that his examples demonstrate that lies can be used to pass on knowledge in a non-inferential fashion. I argue (...) that O’Brien is mistaken. More specifically, I argue that the hearer’s belief in the second example that O’Brien depicts fails to meet two plausible conditions for knowledge. First, the hearer’s belief fails to satisfy the requirements of the epistemic basing relation. Second, the hearer’s belief is not safe. (shrink)

This paper examines the roles that self-knowledge and reflection play in Schopenhauer’s view of agency. Focusing in particular on the discussion of the acquired character, his cognitive theory of motivation, and the idea of intellectual freedom, I argue that we find two conceptions of rational agency in Schopenhauer. The ‘minimal’ conception sees rational agency primarily as a kind of reflective motivation, whereas the ‘maximal’ or ‘robust’ conception sees rational agency as involving a kind of reflective self-organization. Furthermore, I argue (...) that rational self-organization and acquired character go hand-in-hand: it is only in virtue of achieving the latter that one achieves the former. Although some worry that the discussion of acquired character does not sit well with Schopenhauer’s broader determinist theory of action, the reading offered here aims to demonstrate that the two are reconcilable. (shrink)

We argue that any strong version of a knowledge condition on intentional action, the practical knowledge principle, on which knowledge of what I am doing (under some description: call it A-ing) is necessary for that A-ing to qualify as an intentional action, is false. Our argument involves a new kind of case, one that centers the agent’s control appropriately and thus improves upon Davidson’s well-known carbon copier case. After discussing this case, offering an initial argument against the (...) knowledge condition, and discussing recent treatments that cover nearby ground, we consider several objections. One we consider at some length maintains that although contemplative knowledge may be disconnected from intentional action, specifically practical knowledge of the sort Anscombe elucidated escapes our argument. We demonstrate that this is not so. Our argument illuminates an important truth, often overlooked in discussions of the knowledge-intentional action relationship: intentional action and knowledge have different levels of permissiveness regarding failure in similar circumstances. (shrink)

Locke famously claimed that morality was capable of demonstration. But he also refused to provide a system of demonstrative morality. This paper addresses the mismatch between Locke’s stated views and his actual philosophical practice. While Locke’s claims about demonstrative morality have received a lot of attention it is rare to see them discussed in the context of his general theory of demonstration and his specific discussions of particular demonstrations. This paper explores Locke’s general remarks about demonstration as well (...) as his claims about demonstration in natural philosophy, mathematics, and morality. Careful attention to these detailed discussions motivates a reevaluation of Locke’s views on demonstrative knowledge of morality. Specifically, while Locke did believe that some demonstrative moral knowledge might be in-principle available to us he also believed that facts about the difficulty of demonstration meant that this knowledge would in-practice be largely unattainable. (shrink)

What do we know when we know the law? Not a set of rules or theories, but a set of practices that are at bottom practices of reading--reading the texts of the law, reading the world--and writing (including of course speaking), especially writing in news ways in the inherited language of the law. Legal knowledge is a writer's knowledge. It always has as one of its deepest themes the question of justice. These themes are explored through an examination (...) of the Model Penal Code, which respect to which I ask what it would be like to learn this material with an eye to using it as a language of thought and argument. It is full of tensions and fissures about the most important matters, including its conceptions of justice and the purposes of criminal law, its central ideas of blameworthiness as a function of intention or state of mind, and its conception of proportionality. These can be seen as defects to be cured, or as reflections of irremediable tensions deep in our thought about these matters which it is a virtue not a vice of the Code to render explicit. To shift from legislative to judge-made law, I next examine Holmes's famous opinions in Shenck and Abrams, which I read in the light offered by the Model Penal Code, using that text to help define the criminal law issues presented in the two cases. This in turn helps define Holmes's achievement in these cases as a transformation of the criminal law, which leads to his constitutional doctrine. Finally, I analyze Brandeis's opinion in Whitney as an intellectual and rhetorical achievement of a different, and more extraordinary, kind. In all of these, the idea is to demonstrate how it is that legal knowledge is a writer's knowledge: for the drafter of statutes, for the composer of judicial opinions applying statutory and constitutional law alike, and for the lawyer thinking through and arguing a case. (shrink)

The evidence-based medicine movement advocates basing all medical decisions on certain types of quantitative research data and has stimulated protracted controversy and debate since its inception. Evidence-based medicine presupposes an inaccurate and deficient view of medical knowledge. Michael Polanyi’s theory of tacit knowledge both explains this deficiency and suggests remedies for it. Polanyi shows how all explicit human knowledge depends on a wealth of tacit knowledge which accrues from experience and is essential for problem solving. Edmund (...) Pellegrino’s classic treatment of clinical judgment is examined, and a Polanyian critique of this position demonstrates that tacit knowledge is necessary for understanding how clinical judgment and medical decisions involve persons. An adequate medical epistemology requires much more qualitative research relevant to the clinical encounter and medical decision making than is currently being done. This research is necessary for preventing an uncritical application of evidence-based medicine by health care managers that erodes good clinical practice. Polanyi’s epistemology shows the need for this work and provides the structural core for building an adequate and robust medical epistemology that moves beyond evidence-based medicine. (shrink)

Case-based instruction is a stable feature of ethics education, however, little is known about the attributes of the cases that make them effective. Emotions are an inherent part of ethical decision-making and one source of information actively stored in case-based knowledge, making them an attribute of cases that likely facilitates case-based learning. Emotions also make cases more realistic, an essential component for effective case-based instruction. The purpose of this study was to investigate the influence of emotional case content, and (...) complementary socio-relational case content, on case-based knowledge acquisition and transfer on future ethical decision-making tasks. Study findings suggest that emotional case content stimulates retention of cases and facilitates transfer of ethical decision-making principles demonstrated in cases. (shrink)

Self-knowledge is a persistent—and paradoxical—theme in medieval mysticism, which portrays our ultimate goal as union with the divine. Union with God is often taken to involve a cognitive and/or volitional merging that requires the loss of a sense of self as distinct from the divine. Yet affective mysticism—which emphasizes the passion of the incarnate Christ and portrays physical and emotional mystical experiences as inherently valuable—was in fact the dominant tradition in the later Middle Ages. An examination of both the (...) affective and apophatic traditions demonstrates that, in addition to constituting a necessary stage on the path toward union with the divine, self-knowledge in medieval mysticism was seen not just as something to be transcended, but (particularly in the works of female mystics) as a means of overcoming alienation from embodied existence. (shrink)

I argue that there is a cognition condition on intention and intentional action. If an agent is doing A intentionally, she has knowledge in intention that he is doing A. If an agent intends to do A, she has knowledge in intention that she is going to do A. In both cases, the agent has knowledge of eventual success, in this sense: she knows that it will be no accident if she ends up having done A. In (...) both cases, the agent’s knowledge is of what is happening, or what is going to happen, in the world; it is not knowledge merely of her state of mind. This knowledge is practical: it the cause of what it understands; without it what is happening, or what is going to happen, is not an intentional action, and any practical thought of the agent’s about what is happening, or what is going to happen, does not hit the heights of intention. I demonstrate that famous examples (from Davidson and Bratman) purporting to show that the cognition condition should be rejected (or its content or scope weakened) are ineffective, because they trade on confusions about the different kinds of failure to which intentional action may be susceptible, confusions remedied via reflection on the structure of intentional action. I show that the cognition condition is grounded not in reflection about the directions of fit and guidance of different kinds of mental states, nor in the indicative content of linguistic expressions of intention, but in the calculative and temporal structure of intentional action itself. (shrink)

The topic of demonstration lies at the intersection of logic and epistemology. It is motivated by the following question: what features must an argument possess to be suitable for providing us with knowledge? A first, obvious thought is that it ought to be valid and to have true premises. But some ancient philosophers came to the view that this is not yet sufficient for an argument to grant knowledge of the truth of its conclusion; there are further requirements, (...) concerning the epistemic status of its premises and the relations they bear towards its conclusion. The expression ‘demonstration’ (apodeixis) was used as a label for arguments that are capable of yielding knowledge, and various accounts were proposed of the features that a demonstration must possess. This chapter introduces this topic by giving an overview of three treatments of demonstration in antiquity: those of Aristotle; the Stoics; and some philosophers working in the Epicurean tradition. (shrink)

Locke Defines Knowledge at the beginning of Book IV of the Essay concerning Human Understanding as “the perception of the connexion and agreement, or disagreement and repugnancy of any of our Ideas” (E IV.i.2).1 So defined, knowledge varies along two dimensions. On the one hand, there are four “sorts” of knowledge: of identity or diversity; relation; co-existence or necessary connection; and real existence. On the other hand, there are three “degrees” of knowledge: intuitive knowledge, which (...) consists in the “immediate” perception of agreement or disagreement between ideas (E IV.ii.1); demonstrative knowledge, which consists in the perception of agreement or disagreement by way of intermediate (or intervening) .. (shrink)