Epistemic two-dimensional semantics is a theory in the philosophy of language that provides an account of meaning which is sensitive to the distinction between necessity and apriority. While this theory is usually presented in an informal manner, I take some steps in formalizing it in this paper. To do so, I define a semantics for a propositional modal logic with operators for the modalities of necessity, actuality, and apriority that captures the relevant ideas of epistemic two-dimensional semantics. I also describe (...) some properties of the logic that are interesting from a philosophical perspective, and apply it to the so-called nesting problem. (shrink)
Two-dimensional semantics is a theory in the philosophy of language that provides an account of meaning which is sensitive to the distinction between necessity and apriority. Usually, this theory is presented in an informal manner. In this thesis, I take first steps in formalizing it, and use the formalization to present some considerations in favor of two-dimensional semantics. To do so, I define a semantics for a propositional modal logic with operators for the modalities of necessity, actuality, and apriority that (...) captures the relevant ideas of two-dimensional semantics. I use this to show that some criticisms of two-dimensional semantics that claim that the theory is incoherent are not justified. I also axiomatize the logic, and compare it to the most important proposals in the literature that define similar logics. To indicate that two-dimensional semantics is a plausible semantic theory, I give an argument that shows that all theorems of the logic can be philosophically justified independently of two-dimensional semantics. (shrink)
I want to look at recent developments of representing AGM-style belief revision in dynamic epistemic logics and the options for doing something similar for ranking theory. Formally, my aim will be modest: I will define a version of basic dynamic doxastic logic using ranking functions as the semantics. I will show why formalizing ranking theory this way is useful for the ranking theorist first by showing how it enables one to compare ranking theory more easily with other approaches to belief (...) revision. I will then use the logic to state an argument for defining ranking functions on larger sets of ordinals than is customary. Secondly, I will argue that the only way to extend the account of belief revision given by ranking theory to higher-order beliefs and revisions is by continuing the approach taken by me and defining ranking theoretical equivalents of dynamic epistemic logics. For proponents of dynamic epistemic logic, such logics will naturally be of interest provided they are convinced of the revision operator defined by ranking theory. (shrink)
Timothy Williamson has argued that in the debate on modal ontology, the familiar distinction between actualism and possibilism should be replaced by a distinction between positions he calls contingentism and necessitism. He has also argued in favor of necessitism, using results on quantified modal logic with plurally interpreted second-order quantifiers showing that necessitists can draw distinctions contingentists cannot draw. Some of these results are similar to well-known results on the relative expressivity of quantified modal logics with so-called inner and outer (...) quantifiers. The present paper deals with these issues in the context of quantified modal logics with generalized quantifiers. Its main aim is to establish two results for such a logic: Firstly, contingentists can draw the distinctions necessitists can draw if and only if the logic with inner quantifiers is at least as expressive as the logic with outer quantifiers, and necessitists can draw the distinctions contingentists can draw if and only if the logic with outer quantifiers is at least as expressive as the logic with inner quantifiers. Secondly, the former two items are the case if and only if all of the generalized quantifiers are first-order definable, and the latter two items are the case if and only if first-order logic with these generalized quantifiers relativizes. (shrink)
Organizations interested in employee ethics compliance face the problem of conflict between employee and organizational ethical standards. Socializing new employees is one way of assuring compliance. Important for longer term employees as well as new ones, however, is making those standards visible and then operable in the daily life of an organization. This study, conducted in one large organization, found that, depending on organizational level, awareness of an organization's ethical standards is predicted by managerial adherence to and organizational compliance with (...) those standards and/or discussions with peers. Regardless of level, organizational commitment was predicted most strongly by managerial adherence to organizational standards. These findings have theoretical implications for the fields of business ethics, organizational identity and organizational socialization and practical implications for the implementation of ethics policies. (shrink)
This article explores how Jean-Luc Nancy attempts to gain critical traction on Christianity by proscribing thinking of completion. First, it describes Nancy's deconstruction of Christianity as stemming from his aesthetic redirection of Heidegger's thinking of finitude. Second, it further details Nancy's noetic declension of Heidegger via Kant and Lyotard, where the imagination and aesthetic communication are deemed impossible. Third, it examines Nancy's treatment of paintings of the Virgin Mary who, for Nancy, exemplifies his brand of incompletion. Nancy's work on Mary (...) reveals both the oversights and the insights of his deconstruction of Christianity, which Catholic theology should seriously engage. (shrink)
In this essay, the author employs Edward S. Casey’s philosophy of place in order to perform a reading of Dave Eggers’ recent biographical novel, What is the What (2007). This reading is dependant upon certain concepts that Casey articulates in Getting Back Into Place (1993) and Remembering (2000), particularly the concepts of displacement, desolation, and homesteading. After an exegesis of these concepts, the author employs them in order to better understand the life of Valentino Achak Deng, one of the so-called (...) ‘Lost Boys’ from southern Sudan. Since his life is largely a narrative of displacements, Deng’s story provides us with an exceptionally rich opportunity to implement Casey’s articulation of place. (shrink)
Corporate Reputation (CR) has become an increasingly important topic in the social responsibility literature. In this exploratory study we relate reputation to crisis management by implementing an experimental survey in which respondents indicate how strongly they feel about a potential crisis. Findings reported here indicate that respondents’ reactions to the potential crisis varied according to the industry in which the firm operated.
In his ontological works Kurt Grelling tries to give a rigorous analysis of the foundations of the so-called Gestalt-psychology. Gestalten are peculiar emergent qualities, ontologically dependent on their foundations, but nonetheless non reducible to them. Grelling shows that this concept, as used in psychology and ontology, is often ambiguous. He distinguishes two important meanings in which the word “Gestalt” is used: Gestalten as structural aspects available to transposition and Gestalten as causally self-regulating wholes. Gestalten in the first meaning are, (...) according to Grelling, “equivalence classes of correspondences”, while Gestalten as self-regulating wholes have more to do with relations of ontological dependence. Grelling’s clarification of the concept of Gestalt is doubtless an excellent piece of philosophical analysis, but at the end of the day it turns out that his analysis captures at best only a part of intuitions traditionally connected with the notion of Gestalt. (shrink)
Machine generated contents note: Part I. General: 1. The Gödel editorial project: a synopsis Solomon Feferman; 2. Future tasks for Gödel scholars John W. Dawson, Jr., and Cheryl A. Dawson; Part II. Proof Theory: 3. Kurt Gödel and the metamathematical tradition Jeremy Avigad; 4. Only two letters: the correspondence between Herbrand and Gödel Wilfried Sieg; 5. Gödel's reformulation of Gentzen's first consistency proof for arithmetic: the no-counter-example interpretation W. W. Tait; 6. Gödel on intuition and on Hilbert's finitism W. (...) W. Tait; 7. The Gödel hierarchy and reverse mathematics Stephen G. Simpson; 8. On the outside looking in: a caution about conservativeness John P. Burgess; Part III. Set Theory: 9. Gödel and set theory Akihiro Kanamori; 10. Generalizations of Gödel's universe of constructible sets Sy-David Friedman; 11. On the question of absolute undecidability Peter Koellner; Part IV. Philosophy of Mathematics: 12. What did Gödel believe and when did he believe it? Martin Davis; 13. On Gödel's way in: the influence of Rudolf Carnap Warren Goldfarb; 14. Gödel and Carnap Steve Awodey and A. W. Carus; 15. On the philosophical development of Kurt Gödel Mark van Atten and Juliette Kennedy; 16. Platonism and mathematical intuition in Kurt Gödel's thought Charles Parsons; 17. Gödel's conceptual realism Donald A. Martin. (shrink)
Kurt Gödel (1906 - 1978) was the most outstanding logician of the twentieth century, famous for his hallmark works on the completeness of logic, the incompleteness of number theory, and the consistency of the axiom of choice and the continuum hypothesis. He is also noted for his work on constructivity, the decision problem, and the foundations of computability theory, as well as for the strong individuality of his writings on the philosophy of mathematics. He is less well known for (...) his discovery of unusual cosmological models for Einstein's equations, in theory permitting time travel into the past. The Collected Works is a landmark resource that draws together a lifetime of creative thought and accomplishment. The first two volumes were devoted to Gödel's publications in full (both in original and translation), and the third volume featured a wide selection of unpublished articles and lecture texts found in Gödel's Nachlass. These long-awaited final two volumes contain Gödel's correspondence of logical, philosophical, and scientific interest. Volume IV covers A to G, with H to Z in volume V; in addition, Volume V contains a full inventory of Gödel's Nachlass. L All volumes include introductory notes that provide extensive explanatory and historical commentary on each body of work, English translations of material originally written in German (some transcribed from the Gabelsberger shorthand), and a complete bibliography of all works cited. Kurt Gödel: Collected Works is designed to be useful and accessible to as wide an audience as possible without sacrificing scientific or historical accuracy. The only comprehensive edition of Gödel's work available, it will be an essential part of the working library of professionals and students in logic, mathematics, philosophy, history of science, and computer science and all others who wish to be acquainted with one of the great minds of the twentieth century. (shrink)
Kurt Gödel (1906 - 1978) was the most outstanding logician of the twentieth century, famous for his hallmark works on the completeness of logic, the incompleteness of number theory, and the consistency of the axiom of choice and the continuum hypothesis. He is also noted for his work on constructivity, the decision problem, and the foundations of computability theory, as well as for the strong individuality of his writings on the philosophy of mathematics. He is less well known for (...) his discovery of unusual cosmological models for Einstein's equations, in theory permitting time travel into the past. The Collected Works is a landmark resource that draws together a lifetime of creative thought and accomplishment. The first two volumes were devoted to Gödel's publications in full (both in original and translation), and the third volume featured a wide selection of unpublished articles and lecture texts found in Gödel's Nachlass. These long-awaited final two volumes contain Gödel's correspondence of logical, philosophical, and scientific interest. Volume IV covers A to G, with H to Z in volume V; in addition, Volume V contains a full inventory of Gödel's Nachlass. L All volumes include introductory notes that provide extensive explanatory and historical commentary on each body of work, English translations of material originally written in German (some transcribed from the Gabelsberger shorthand), and a complete bibliography of all works cited. Kurt Gödel: Collected Works is designed to be useful and accessible to as wide an audience as possible without sacrificing scientific or historical accuracy. The only comprehensive edition of Gödel's work available, it will be an essential part of the working library of professionals and students in logic, mathematics, philosophy, history of science, and computer science and all others who wish to be acquainted with one of the great minds of the twentieth century. (shrink)
Allhoff, Fritz, Patrick Lin, and Daniel Moore. 2010. What is nanotechnology and why does it matter? From science to ethics Content Type Journal Article Pages 209-211 DOI 10.1007/s11673-011-9289-z Authors Jennifer Kuzma, University of Minnesota, Humphrey School of Public Affairs, 301 19th Ave So, Minneapolis, MN 55455, USA Journal Journal of Bioethical Inquiry Online ISSN 1872-4353 Print ISSN 1176-7529 Journal Volume Volume 8 Journal Issue Volume 8, Number 2.
Fritz Allhoff: Philosophies of the Sciences: A Guide Content Type Journal Article Category Book Review Pages 319-325 DOI 10.1007/s10441-011-9129-x Authors Thomas A. C. Reydon, Institute of Philosophy & Center for Philosophy and Ethics of Science (ZEWW), Leibniz Universität Hannover, Im Moore 21, 30161 Hannover, Germany Journal Acta Biotheoretica Online ISSN 1572-8358 Print ISSN 0001-5342 Journal Volume Volume 59 Journal Issue Volume 59, Numbers 3-4.
Machine generated contents note: Part I. Historical Context - Gödel's Contributions and Accomplishments: 1. The impact of Gödel's incompleteness theorems on mathematics Angus Macintyre; 2. Logical hygiene, foundations, and abstractions: diversity among aspects and options Georg Kreisel; 3. The reception of Gödel's 1931 incompletabilty theorems by mathematicians, and some logicians, to the early 1960s Ivor Grattan-Guinness; 4. 'Dozent Gödel will not lecture' Karl Sigmund; 5. Gödel's thesis: an appreciation Juliette C. Kennedy; 6. Lieber Herr Bernays!, Lieber Herr Gödel! Gödel on (...) finitism, constructivity, and Hilbert's program Solomon Feferman; 7. Computation and intractability: echoes of Kurt Gödel Christos H. Papadimitriou; 8. From the entscheidungsproblem to the personal computer - and beyond B. Jack Copeland; 9. Gödel, Einstein, Mach, Gamow, and Lanczos: Gödel's remarkable excursion into cosmology Wolfgang Rindler; 10. Physical unknowables Karl Svozil; Part II. A Wider Vision - The Interdisciplinary, Philosophical, And Theological Implications of Gödel's Work: 11. Gödel and physics John D. Barrow; 12. Gödel, Thomas Aquinas, and the unknowability of God Denys A. Turner; 13. Gödel's mathematics of philosophy Piergiorgio Odifreddi; 14. Gödel's ontological proof and its variants Petr Hájek; 15. The Gödel theorem and human nature Hilary Putnam; 16. Gödel, the mind, and the laws of physics Roger Penrose; Part III. New Frontiers - Beyond Gödel's Work in Mathematics and Symbolic Logic: 17. Gödel's functional interpretation and its use in current mathematics Ulrich Kohlenbach; 18. My forty years on his shoulders Harvey M. Friedman; 19. My interaction with Kurt Gödel: the man and his work Paul J. Cohen; 20. The transfinite universe W. Hugh Woodin; 21. The Gödel phenomena in mathematics: a modern view Avi Wigderson. (shrink)
In 1997, thanks to a conference paper by Rolf Löther of Berlin Humboldt University, the name of Fritz Jahr (1895-1953) was mentioned for the first time as the creator of the term and concept of bioethics (Bio-Ethik). As yet, Hans-Martin Sass of the Kennedy Institute of Ethics has been the only one to analyze Jahr's ideas more thoroughly, dedicating to the subject a series of papers (see Sass 2007). In December 2010, a collection of 15 papers by Jahr was (...) published in the German original, while in May 2011, a selection of 16 papers appeared in English translation (Jahr 2011).So who, in fact, was Jahr? A humble teacher and curate who never left his home city of Halle, an old university center on the Saale River in .. (shrink)
: In 1927, Fritz Jahr, a Protestant pastor, philosopher, and educator in Halle an der Saale, published an article entitled "Bio-Ethics: A Review of the Ethical Relationships of Humans to Animals and Plants" and proposed a "Bioethical Imperative," extending Kant's moral imperative to all forms of life. Reviewing new physiological knowledge of his times and moral challenges associated with the development of secular and pluralistic societies, Jahr redefines moral obligations towards human and nonhuman forms of life, outlining the concept (...) of bioethics as an academic discipline, principle, and virtue. Although he had no immediate long-lasting influence during politically and morally turbulent times, his argument that new science and technology requires new ethical and philosophical reflection and resolve may contribute toward clarification of terminology and of normative and practical visions of bioethics, including understanding of the geoethical dimensions of bioethics. (shrink)
In the early 1920s, Hans Reichenbach and Kurt Lewin presented two topological accounts of time that appear to be interrelated in more than one respect. Despite their different approaches, their underlying idea is that time order is derived from specific structural properties of the world. In both works, moreover, the notion of genidentity--i.e., identity through or over time--plays a crucial role. Although it is well known that Reichenbach borrowed this notion from Kurt Lewin, not much has been written (...) about their relationship, nor about the way Lewin implemented this notion in his own work in order to ground his topology. This paper examines these two early versions of the topology of time, and follows the extent of Lewin’s influence on Reichenbach’s proposal. (shrink)
Fritz Allhoff has recently offered an extremely compelling challenge to the morality of human cloning (Allhoff 2004). He argues that a biological phenomenon, that of telomere shortening, undermines the moral permissibility of human cloning. Telomere shortening is caused by cell replication, and appears to be one of the central reasons that cells and organisms age and die. Allhoff considers a thirty-year-old woman who wishes to create a genetic clone. He notes that the DNA from her cell that would be (...) used to create the clone would have shortened telomeres—as it would have gone through many generations of cell replication (i.e., thirty years’ worth). As a result, the clone would begin its existence with shortened telomeres; the clone’s telomeres would be the same length as the woman’s telomeres at the time of cloning. The moral problem lies in the fact that because of shortened telomeres, the clone will senesce more rapidly as compared with noncloned organisms (i.e., organisms created through sexual reproduction), and would have increased susceptibility to degenerative conditions and diseases (Allhoff 2004, W30). Allhoff then goes on to argue that earlier senescence and disease susceptibility constitute a moral ground for rejecting cloning because “the life of a clone would be worse (in some way) than that of a non-clone” (Allhoff 2004, W30). This line of argument is rooted in Parfit’s The Same Number Quality Claim (Q): “If in either of two outcomes the same number of people would ever live, it would be bad if those who live are worse off, or have a lower quality of life, than those who would have lived” (Parfit 1984, 360). Applying Parfit’s Q principle to cases of cloning, it could be argued that parents ought to produce children that would be maximally well off, and since clones would be worse off (since they would have shortened telomeres) than children produced “normally,” it follows that parents should avoid cloning. As Allhoff puts it, “obviously sexual reproduction would not transfer shortened telomeres to offspring so, all else being equal, sexual reproduction is (for now) better than cloning” (Allhoff 2004, W30). For this sort of line to pack any moral punch, Q must be interpreted rather strongly.. (shrink)
A few years ago a book was published by Hannah Arendt with the title 'between Past and Future'. Many critics, especially in the USA, hailed this book — not ...
The purpose of this article is to vindicate the viability of Kurt H. Wolff''s methodology of surrender-and-catch for the human and social sciences. The article is divided into three sections. The first section explicates the fundamental significance of surrender-and-catch and Wolff''s motivation for advocating its practice. The second section compares surrender-and-catch with phenomenological methodology as well as objective science and the province of the everyday. The third section illustrates surrender-and-catch through my own practice. In this section I contextualize surrender-and-catch (...) in a triangulated design, which exhibits its flexibility and compatibility for use in conjunction with other forms of research. (shrink)
On the occasion of the 100th birthday of the physical chemist Kurt Schwabe the article presents an overview about Schwabeâs activities as president of the Saxon Academy of Science from 1965 to 1980. Main topics of this time which has to be solved by Schwabe were to ensure the further existence of the academy and to reach an agreement about the principles of cooperation between the Saxon Academy of Science and the Berlin Academy of Science as an agreement of (...) equals. (shrink)
I was first struck by the influence of Fritz’ writing on himself in the summer of 1968. My wife Leslie and I were living in Buffalo. I hadn’t seen my father in a couple of years. Fritz was driving in from Los Angeles to do a science fiction workshop at Clarion College in nearby Pennsylvania. We were to see him at Clarion and then he was to visit us in Buffalo. I had just finished reading Fritz’ A (...) Specter Is Haunting Texas, then serialized in Galaxy Magazine. (shrink)
The search for an answer to the question that constitutes the title has led to some insightful results concerning Kurt Gödel’s critical reception of major philosophical works. It shows how he uses philosophical argumentations of classical authors and turns them into new aspects for his own philosophical argumentation. In the case at hand a classical argument by Aristotle for the immaterialness of the soul is used by Gödel in order to add considerations to his own reasoning for the inexhaustibility (...) of mathematics, the mind-body-problem and his considerations about God; and vice versa to give new insights into an argument with a long history of reception. (shrink)
Reconstruction of the versions of Aristoxenos and Dikaiarchos.--The sources of Dikaiarchos and Aristoxenos and the reliability of their accounts. --Reconstruction of Timaios' version and the reliability of his accounts.--The chronological questions and the numismatic evidence.--The character of the "Pythagorean rule" in southern Italy.--Appendix.
This is a book about the philosophy of time, and in particular the philosophy of the great logician Kurt Godel (1906-1978). It evaluates Godel's attempt to show that Einstein has not so much explained time as explained it away. Unlike recent more technical studies, it focuses on the reality of time. The book explores Godel's conception of time, existence, and truth with special reference to Plato, Aristotle, Kant, and Frege. In the light of this investigation an attempt is made (...) to shed light on such issues as the precise sense in which Godel believed in the possibility of time travel, the relationship of the reality of time to the objectivity of temporal becoming, and the significance of time for human existence.This is a book about the philosophy of time, and in particular the philosophy of the great logician Kurt Godel (1906-1978). It evaluates Godel's attempt to show that Einstein has not so much explained time as explained it away. Unlike recent more technical studies, it focuses on the reality of time. The book explores Godel's conception of time, existence, and truth with special reference to Plato, Aristotle, Kant, and Frege. In the light of this investigation an attempt is made to shed light on such issues as the precise sense in which Godel believed in the possibility of time travel, the relationship of the reality of time to the objectivity of temporal becoming, and the significance of time for human existence. (shrink)
Like Heisenberg’s uncertainty principle, Gödel’s incompleteness theorem has captured the public imagination, supposedly demonstrating that there are absolute limits to what can be known. More specifically, it is thought to tell us that there are mathematical truths which can never be proved. These are among the many misconceptions and misuses of Gödel’s theorem and its consequences. Incompleteness has been held to show, for example, that there cannot be a Theory of Everything, the so-called holy grail of modern physics. Some philosophers (...) and mathematicians say it proves that minds can’t be modelled by machines, while others argue that they can be modelled but that Gödel’s theorem shows we can’t know it. Postmodernists have claimed to find support in it for the view that objective truth is chimerical. And in the Bibliography of Christianity and Mathematics (yes, there is such a publication) it is asserted that ‘theologians can be comforted in their failure to systematize revealed truth because mathematicians cannot grasp all mathematical truths in their systems either.’ Not only that, the incompleteness theorem is held to imply the existence of God, since only He can decide all truths. Even Rebecca Goldstein’s book, whose laudable aim is to provide non-technical expositions of the incompleteness theorems (there are two) for a general audience and place them in their historical and biographical context, makes extravagant claims and distorts their significance. As Goldstein sees it, Gödel’s theorems are ‘the most prolix theorems in the history of mathematics’ and address themselves ‘to the central question of the humanities – ‘what is it to be human?’ – since they involve ‘such vast and messy areas as the nature of truth and knowledge and certainty’. Unfortunately, these weighty claims disintegrate under closer examination, while the book as a whole is marred by a number of disturbing conceptual and historical errors. On the face of it, Goldstein would appear to have been an ideal choice to present Gödel’s work: she received a PhD in Philosophy from Princeton University in 1977 and since then has taught philosophy of science and philosophy of mind at several.... (shrink)
Godel began to seriously study Husserl's phenomenology in 1959, and the Godel Nachlass is known to contain many notes on Husserl. In this paper I describe what is presently known about Godel's interest in phenomenology. Among other things, it appears that the 1963 supplement to "What is Cantor's Continuum Hypothesis?", which contains Godel's famous views on mathematical intuition, may have been influenced by Husserl. I then show how Godel's views on mathematical intuition and objectivity can be readily interpreted in a (...) phenomenological theory of intuition and mathematical knowledge. (shrink)
