This volume contains the editions of polemical texts by Erasmus against Martin Luther and Pierre Cousturier, of his defence against attacks on his oration on matrimony (and celibacy), and of his immensely popular ‘pocket’ edition of the _Disticha Catonis_.

A milestone in Wittgenstein scholarship, this collection of essays ranges over a wide area of the philosopher's thought, presenting divergent interpretations of his fundamental ideas. Different chapters raise many of the central controversies that surround current understanding of the Tractatus, providing an interplay that will be particularly useful to students. Taken together, the essays present a broader and more comprehensive view of Wittgenstein's intellectual interests and his impact on philosophy than may be found elsewhere.The thirteen chapters treat topics from both (...) periods of Wittgenstein's work: More than half are devoted to his early thought, the Tractatus Logico-Philosophicus of 1921, reflecting a growing interest today among philosophers in reexamining this seminal book, while three chapters treat the Philosophical Investigations, published posthumously in 1953. The remaining chapters discuss such "nonstandard" topics as philosophy of religion, aesthetics, and anthropology.Contents: The Early Wittgenstein and the Middle Russell, Kenneth Blackwell; Frege and Wittgenstein, Michael Dummett; Wittgenstein and the Theory of Types, Hide Ishiguro; The So-called Realism of Wittgenstein's Tractatus, Brian McGuinness; The Logical Independence of Elementary Propositions, David Pears; The Rise and Fall of the Picture Theory, Peter Hacker; The Picture Theory and Wittgenstein's Later Attitude to It, Erik Stenius; Wittgenstein's Early Philosophy of Mind, Anthony Kenny; A Theory of Language?, G. E. M. Anscombe; Im Anfang war die Tat, Peter Winch; Wittgenstein's Full Stop, D. Z. Phillips; Quote: Judgments from Our Brain, Paul Ziff; Wittgenstein and the Fire Festivals, Frank Cioffi, Index.Irving Block is Associate Professor in the Philosophy Department at The University of Western Ontario. (shrink)

For some forty years renowned philosopher Irving Singer has written on the nature and pursuit of love. His books include The Pursuit of Love; the monumental three-volume work, The Nature of Love; Mozart and Beethoven: The Concept of Love in Their Operas; and The Goals of Human Sexuality. Singer's approach to love in philosophy, literature, music, and psychology is classical throughout, inasmuch as it arises out of the distinction between eros and agape as conceptual forces that underlie much of (...) the Western tradition. Singer's explorations of Freud and Santayana guide his thinking. Both his historical analyses and his own philosophizing express an abiding respect for the play of imagination in science, literature, and art. (shrink)

Summary The rhetorical uses of discovery and invention stories are legion, but of particular concern in this paper are those that are deployed for economic or commercial reasons, especially in claiming intellectual property rights, usually in the form of patents. The case of stories about Dr Irving Langmuir (1881–1957) of the General Electric Research Laboratory, who won the Nobel Prize for Chemistry in 1932 and was the first industry-based laureate from the United States, is examined. Langmuir won the prize (...) for his ‘outstanding discoveries and inventions within the field of surface chemistry’, which also happened to underlie the virtual monopoly that General Electric gained in the supply of electric light. Langmuir was the inspiration for the stereotypically absent-minded and disinterested character of Dr Felix Hoenikker in Kurt Vonnegut's novel, Cat's Cradle (1963). My case study focuses on this and other representations of Langmuir as a discoverer, especially those generated by the General Electric Company, and explores the utility of these representations for Langmuir himself, and for his employer, in corporate PR, in ongoing struggles over patents, and in the post-war organisation of R&D. It is argued that, while the era of corporate research produced new collective modes of discovery and invention their description in heroic, individualistic terms long continued, and for good reason. (shrink)

We present a family of counter-examples to David Christensen's Independence Criterion, which is central to the epistemology of disagreement. Roughly, independence requires that, when you assess whether to revise your credence in P upon discovering that someone disagrees with you, you shouldn't rely on the reasoning that lead you to your initial credence in P. To do so would beg the question against your interlocutor. Our counter-examples involve questions where, in the course of your reasoning, you almost fall for (...) an easy-to-miss trick. We argue that you can use the step in your reasoning where you caught the trick as evidence that someone of your general competence level likely fell for it. Our cases show that it's permissible to use your reasoning about disputed matters to disregard an interlocutor's disagreement, so long as that reasoning is embedded in the right sort of explanation of why she finds the disputed conclusion plausible, even though it's false. (shrink)

Like many discussions on the pros and cons of epistemic foundationalism, the debate between C. I. Lewis and H. Reichenbach dealt with three concerns: the existence of basic beliefs, their nature, and the way in which beliefs are related. In this paper we concentrate on the third matter, especially on Lewis’s assertion that a probability relation must depend on something that is certain, and Reichenbach’s claim that certainty is never needed. We note that Lewis’s assertion is prima facie ambiguous, but (...) argue that this ambiguity is only apparent if probability theory is viewed within a modal logic. Although there are empirical situations where Reichenbach is right, and others where Lewis’s reasoning seems to be more appropriate, it will become clear that Reichenbach’s stance is the generic one. We conclude that this constitutes a threat to epistemic foundationalism.Keywords: Epistemic foundationalism; Probability; Clarence Irving Lewis; Hans Reichenbach. (shrink)

From its inception with the first number of the magazine of opinion National Review and up to the advent of the Presidency of Richard Nixon the early American conservative movement struggled with the rising tide of civil rights protest and reform. This article examines the correspondence and published primary sources penned by leading members of the American conservative movement so as to offer a comprehensive, chronologically ordered assessment of the evolution of the views on racial inequality offered by the key (...) constituent ideological subcommunities within the American conservative movement: the traditionalists gathered around the pages of National Review, the “neoliberals” led by Milton Friedman y Friedrich von Hayek, the Southern, white conservatives and, lastly, the neoconservatives, which headed by Irving Kristol and Norman Podhoretz articulated much of such views in a manner palatable to a significant segment of the American political mainstream. (shrink)

This book explores the epistemology and the methodology of political knowledge and social inquiry. What can we know, and how do we know? Friedrich V. Kratochwil and Ted Hopf question all foundational claims of inquiry and envisage science as a self-reflective practice. Brian Pollins and Fred Chernoff accept their arguments to some degree and explore the implications for logical positivism. David A. Waldner, Jack Levy, and Andrew Lawrence address the purpose and methods of research. They debate the role of (...) explanation versus prediction, the relationship of theory to evidence, and their implications for the Democratic Peace research program. A concluding chapter by Mark Lichbach offers a pluralistic reformulation of neopositivism. An alternative conclusion by Steven Bernstein, Richard Ned Lebow, Janice Gross Stein and Steven Weber contends that social science should be modeled on medicine and reformulated as a set of case-based diagnostic tools. The distinguishing feature of the book is the inclusion of authors who represent different approaches to social science and their willingness to engage with one another in a constructive debate. (shrink)

Orthodox Judaism is one of the fastest-growing religious communities in contemporary American life. According to the 2013 Pew Center Survey on American religious life, Orthodox Judaism is poised to surpass all other denominations of Judaism in the United States by 2050. Anyone who wishes to understand more about Judaism in America will need to consider the tenets and practices of Orthodox Judaism: who its adherents are, what they believe in, what motivates them, and to whom they turn for moral, intellectual, (...) and spiritual guidance. Among those spiritual leaders none looms larger than Rabbi Joseph B. Soloveitchik, heir to the legendary Talmudic dynasty of Brisk and a teacher and ordainer of thousands of rabbis during his time as a Talmud teacher at Yeshiva University from the Second World War until the 1980s. Soloveitchik was not only a Talmudic authority but a scholar of Western philosophy. While many books and articles have been written about Soloveitchik's legacy and his influence on American Orthodoxy, few have looked carefully at his disciples in Torah and Talmud study, and even fewer at his Jewish thought and philosophy. "Soloveitchik's Children: Irving Greenberg, David Hartman, Jonathan Sacks, and the Future of Jewish Theology in America" is the first book to study closely three of Soloveitchik's major disciples in Jewish thought and philosophy: Rabbis Irving ("Yitz") Greenberg, David Hartman, and Jonathan Sacks. These three figures hold unique places in modern and contemporary American Jewish life. Each has been highly influential not only within American Orthodoxy but within American Judaism more broadly; each has contributed significantly in the development of Jewish philosophy and theology in the postwar era; each has founded and presided over institutions of their own. David Ross Goodman narrates how each of these three major modern Jewish thinkers learned from and adapted Soloveitchik's teachings in their own ways, even while advancing his philosophical and theological legacy. Goodman highlights the approaches taken by Greenberg, Hartman, and Sacks to some of the most critical religious and philosophical issues of our time: Jewish-Christian relations and interfaith theology; the proper religious response to the Holocaust; the place of creativity in religious life; and the primacy of life in the Jewish tradition. The story of religious life and Judaism in contemporary America is incomplete without an understanding of how three of the most consequential Jewish thinkers of this generation adapted the teachings of one of the most consequential Jewish thinkers of the previous generation. "Soloveitchik's Children" tells this gripping intellectual and religious story in a learned, and engaging manner, shining a light on where Jewish religious thought in the United States currently stands-and where it may be heading in the coming generations. (shrink)

Deborah Lipstadt claimed that David Irving was a Hitler partisan wearing blinkers bending and manipulating evidence: the most dangerous spokesperson for Holocaust denial. Irving sued her and her publishers in a high profile case and lost.

The timing of Austria’s conviction and imprisonment of David Irving for denying the Holocaust could not have been worse. Coming after the deaths of at least 30 people in Syria, Lebanon, Afghanistan, Libya, Nigeria, and other Islamic countries during protests against cartoons ridiculing Muhammad, the Irving verdict makes a mockery of the claim that in democratic countries, freedom of expression is a basic right.

Richard Evans trad in 2000 op als expert-getuige in het proces dat historica Deborah Lipstadt aanspande tegen haar collega David Irving. Lipstadt beschuldigde Irving ervan in zijn geschriften een grote hoeveelheid goedverkopende historische boeken over de Tweede Wereldoorlog, stelselmatig de Holocaust te ontkennen. Evans, eveneens een historicus, kreeg de taak te onderzoeken of er inderdaad sprake was van verdraaiing van de feiten in het werk van Irving. Zijn bevindingen, die hij in dit essay uit de doeken (...) doet, en het uiteindelijke oordeel van de rechter leiden hem ertoe na te denken over de verantwoordelijkheid die de geschiedschrijver heeft tegenover de waarheid. (shrink)

This week saw the beginning of an action for libel brought by one historian against another over a question of history. The right-wing historian David Irving says the Holocaust was not as bad as has been claimed; he is suing American historian Deborah Lipstadt for calling him "a dangerous spokesman for Holocaust denial." The case, and its explosive content, remind us that history matters.

How should historians treat one another? More generally, what are the ethical obligations that go with belonging to the profession of history? And more generally still, in what ways and in what sense is history a profession and how are professional ethics manifested in the profession? These are the questions I will canvass in this essay. In his introduction to The Historian’s Conscience, Stuart Macintyre observes that in the recent ‘public dispute over Australian history … there is surprisingly little attention (...) to the ethical dimensions of historical scholarship’. I will suggest that this lack of attention is a problem, and I will try to clarify the nature of the problem. (shrink)

In an important departure from theories of causation, David Owens proposes that coincidences have no causes, and that a cause is something which ensures that its effects are no coincidence. In Causes and Coincidences, he elucidates the idea of a coincidence as an event which can be analysed into constituent events, the nomological antecedents of which are independent of each other. He also suggests that causal facts can be analysed in terms of non-causal facts, including relations of necessity. Thus, (...) causation is defined in terms of coincidence, and coincidence without reference to causation. David Owens challenges the ideas associated with Hume, Davidson and Lewis, constructing a theory which distinguishes nomological necessity and sufficiency from their logical counterparts. He is able to offer novel solutions to the major problems of causation, including the direction of causation, the logical form of causal statements, the distinction betwen causal connections and logical connections, and the relationship between psychological and physical causation. (shrink)

A milestone in Wittgenstein scholarship, this collection of essays ranges over a wide area of the philosopher's thought, presenting divergent interpretations of his fundamental ideas. Different chapters raise many of the central controversies that surround current understanding of the Tractatus, providing an interplay that will be particularly useful to students. Taken together, the essays present a broader and more comprehensive view of Wittgenstein's intellectual interests and his impact on philosophy than may be found elsewhere.The thirteen chapters treat topics from both (...) periods of Wittgenstein's work: More than half are devoted to his early thought, the Tractatus Logico-Philosophicus of 1921, reflecting a growing interest today among philosophers in reexamining this seminal book, while three chapters treat the Philosophical Investigations, published posthumously in 1953. The remaining chapters discuss such "nonstandard" topics as philosophy of religion, aesthetics, and anthropology.Contents: The Early Wittgenstein and the Middle Russell, Kenneth Blackwell; Frege and Wittgenstein, Michael Dummett; Wittgenstein and the Theory of Types, Hide Ishiguro; The So-called Realism of Wittgenstein's Tractatus, Brian McGuinness; The Logical Independence of Elementary Propositions, David Pears; The Rise and Fall of the Picture Theory, Peter Hacker; The Picture Theory and Wittgenstein's Later Attitude to It, Erik Stenius; Wittgenstein's Early Philosophy of Mind, Anthony Kenny; A Theory of Language?, G. E. M. Anscombe; Im Anfang war die Tat, Peter Winch; Wittgenstein's Full Stop, D. Z. Phillips; Quote: Judgments from Our Brain, Paul Ziff; Wittgenstein and the Fire Festivals, Frank Cioffi, Index.Irving Block is Associate Professor in the Philosophy Department at The University of Western Ontario. (shrink)

Author David Phillips has produced a clear, concise guide to Henry Sidgwick's masterpiece of classical utilitarian thought, The Methods of Ethics, setting it in its intellectual and cultural context while drawing out its main insights into a variety of fields.

From the author of Wittgenstein's Poker and Would You Kill the Fat Man?, the story of an extraordinary group of philosophers during a dark chapter in Europe's history On June 22, 1936, the philosopher Moritz Schlick was on his way to deliver a lecture at the University of Vienna when Johann Nelböck, a deranged former student of Schlick's, shot him dead on the university steps. Some Austrian newspapers defended the madman, while Nelböck himself argued in court that his onetime teacher (...) had promoted a treacherous Jewish philosophy. David Edmonds traces the rise and fall of the Vienna Circle—an influential group of brilliant thinkers led by Schlick—and of a philosophical movement that sought to do away with metaphysics and pseudoscience in a city darkened by fascism, anti-Semitism, and unreason. The Vienna Circle's members included Otto Neurath, Rudolf Carnap, and the eccentric logician Kurt Gödel. On its fringes were two other philosophical titans of the twentieth century, Ludwig Wittgenstein and Karl Popper. The Circle championed the philosophy of logical empiricism, which held that only two types of propositions have cognitive meaning, those that can be verified through experience and those that are analytically true. For a time, it was the most fashionable movement in philosophy. Yet by the outbreak of World War II, Schlick's group had disbanded and almost all its members had fled. Edmonds reveals why the Austro-fascists and the Nazis saw their philosophy as such a threat. The Murder of Professor Schlick paints an unforgettable portrait of the Vienna Circle and its members while weaving an enthralling narrative set against the backdrop of economic catastrophe and rising extremism in Hitler's Europe. (shrink)

One of the most innovative and brilliant philosophers of his generation, but largely neglected until he was brought to public attention by Gilles Deleuze, Gilbert Simondon presents a challenge to nearly every category and method of traditional philosophy. Psychic and Collective Individuation is undoubtedly Simondon's most important work and its influence, clearly felt in Stiegler and DeLanda, has continued to grow. David Scott provides the first full introduction to this work, which will inspire as well as instruct philosophers working (...) in Continental thought, philosophy of science, social theory and political philosophy. (shrink)

David Brink presents a study of T. H. Green's Prolegomena to Ethics (1883), a classic of British idealism. Green develops a perfectionist ethical theory that brings together the best elements in the ancient and modern traditions and that provides the moral foundations for Green's own influential brand of liberalism. Brink's book situates the Prolegomena in its intellectual context, examines its main themes, and explains Green's enduring significance for the history of ethics and contemporary ethical theory.

This is the second of David Pears's acclaimed two‐volume work on the development of Wittgenstein's philosophy, covering the Philosophical Investigations and other writings from 1929 onwards. Though more selective in its coverage than the first volume (it deals mainly with Wittgenstein's philosophy of psychology and the ego, the possibility of a private language and rule‐following), the book reveals with great clarity the style, method, and content of Wittgenstein's later thought. While this volume is independently comprehensible, Pears remains largely within (...) the structural framework of the first volume and uncovers thereby the general overall configuration and internal organization of Wittgenstein's thought. (shrink)

This book uses different perspectives on argumentation to show how we create arguments, test them, attack and defend them, and deploy them effectively to justify beliefs and influence others. David Zarefsky uses a range of contemporary examples to show how arguments work and how they can be put together, beginning with simple individual arguments, and proceeding to the construction and analysis of complex cases incorporating different structures. Special attention is given to evaluating evidence and reasoning, the building blocks of (...) argumentation. Zarefsky provides clear guidelines and tests for different kinds of arguments, as well as exercises that show student readers how to apply theories to arguments in everyday and public life. His comprehensive and integrated approach toward argumentation theory and practice will help readers to become more adept at critically examining everyday arguments as well as constructing arguments that will convince others. (shrink)

In this groundbreaking book David Roberts sets out to demonstrate the centrality of the total work of art to European modernism since the French Revolution.

Evolution is frequently concentrated in bursts of rapid morphological change and speciation followed by long‐term stasis. We propose that this pattern of punctuated equilibria results from an evolutionary tug‐of‐war between host genomes and transposable elements (TEs) mediated through the epigenome. According to this hypothesis, epigenetic regulatory mechanisms (RNA interference, DNA methylation and histone modifications) maintain stasis by suppressing TE mobilization. However, physiological stress, induced by climate change or invasion of new habitats, disrupts epigenetic regulation and unleashes TEs. With their capacity (...) to drive non‐adaptive host evolution, mobilized TEs can restructure the genome and displace populations from adaptive peaks, thus providing an escape from stasis and generating genetic innovations required for rapid diversification. This “epi‐transposon hypothesis” can not only explain macroevolutionary tempo and mode, but may also resolve other long‐standing controversies, such as Wright's shifting balance theory, Mayr's peripheral isolates model, and McClintock's view of genome restructuring as an adaptive response to challenge. (shrink)

The last one hundred years has seen unimaginable technological progress transforming every aspect of human life. Yet we seem unable to shake a profound unease with the direction of modern technology and its ideological siblings, global capitalism and massive consumption. Philosophers such as Marcuse, Borgmann and especially Heidegger, have developed important analyses of technological society, however in this book David Lewin argues that their ideas have remained limited either by their secular context, or by the narrow conception of religion (...) that they do allow. This study guides the reader along the newly formed paths of the philosophy of technology, arguing that where those paths come to an abrupt end, a religious discourse is needed to articulate the ultimate concerns that drive technological action. It calls for a meditation on the central insight of many religious traditions that, in an ultimate sense, we 'know not what we do.' To acknowledge that we know not what we do is the first step towards a theology of technology that draws upon insights from the mystical theological tradition, as well as from recent developments in the continental philosophy of religion. (shrink)

In this article, I respond to David McIvor’s and Lars Rensmann’s discussion of my recent book, The Politics of Repressed Guilt: The Tragedy of Austrian Silence (2018, Edinburgh University Press). Both invited me to clarify my use of Arendt in my conception of embodied reflective judgment. I argue for a stronger connection between judgment and emotions than Arendt because one can effectively shut down critical thinking if one uses defense mechanisms to repress feelings of guilt. In response to McIvor, (...) I discuss the idea of the “subject-in-outline” and “embodied reflective spaces” to overcome the guilt/defense complex to engender a reparative politics of justice. Finally, in response to Rensmann, I point out that the lingering culture of repressed guilt helps us explain the general conditions that contributed to the rise of the far and extremist right in Austria, which I develop further in my new book Analyzing the Far Right. (shrink)

Interviews focusing on the last century take a look at history from the standpoint of the ordinary people of the country.

Blair, David Review of: Here on earth: An argument for hope, by Tim Flannery, Text Publishing Co. 2010 $35.

PurposeThis purpose of this paper is to identify principal stakeholders and needs in e‐inclusion, with particular reference to senior citizens, determining to what extent those needs are being met or could be met by other stakeholders. It considers inclusive stakeholder organisational structures that could address unmet needs.Design/methodology/approachAlthough the European Commission, Member States, local authorities, industry, and researchers have called for greater collaboration and partnerships among stakeholders to overcome the so‐called digital divides, little attention has been giv]en to the form of (...) collaboration. Reviewing various policy‐oriented documents, this paper compiles a list of principal stakeholders and their e‐inclusion needs, reviews existing multi‐stakeholder undertakings and partnership structures as candidates for addressing needs not already met.FindingsMany important e‐inclusion needs are not addressed by any multi‐stakeholder undertaking. Some structured collaboration or partnership should address those needs. A new structure should not merely represent all interested stakeholders, but involve them in decision‐making processes.Research limitations/implicationsThis is a conceptual paper, constrained by length from producing a detailed list of needs. Similarly, although the paper identifies 12 different stakeholder categories, some could be further segmented.Practical implicationsFurther research and analysis could be undertaken sourcing each identified need, perhaps adding others and further segmenting stakeholder categories.Originality/valueThe paper is of value to stakeholders involved or interested in e‐inclusion efforts. It uses a novel, straight‐forward, approach for identifying stakeholders and needs, who can meet those needs and who is addressing those needs. (shrink)

If the greatness of a philosophical work can be measured by the volume and vehemence of the public response, there is little question that Rousseau's Social Contract stands out as a masterpiece. Within a week of its publication in 1762 it was banished from France. Soon thereafter, Rousseau fled to Geneva, where he saw the book burned in public. At the same time, many of his contemporaries, such as Kant, considered Rousseau to be 'the Newton of the moral world', as (...) he was the first philosopher to draw attention to the basic dignity of human nature. The Social Contract has never ceased to be read and debated in the 250 years since its publication. Rousseau's Social Contract: An Introduction offers a thorough and systematic tour of this notoriously paradoxical and challenging text. David Lay Williams offers readers a chapter-by-chapter reading of the Social Contract, squarely confronting these interpretive obstacles. The book also features a special extended appendix dedicated to outlining Rousseau's famous conception of the general will, which has been the object of controversy since the Social Contract's publication in 1762. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:NECESSARY PROPOSITIONS AND THE SQUARE OF OPPOSITION MARK ROBERTS University of Rhode Island Kingston, Rhode Island IT IS COMMONPLACE to define contradictory, contrary, and subcontrary propositions in the following way: contradictory propositions cannot both be true and cannot both be false; contrary propositions cannot both be true but can both be false; and subcontrary propositions can both be true but cannot both be false. In his Introduction to Logic (...) 1 Irving Copi raises a problem with two of these definitions which he believes forces him to limit the range of propositions which can be used in the square of opposition. Since contrary propositions can both be false, but the falsity of a necessarily true proposition is not possible, a necessarily true proposition has no contrary. Therefore, only contingent propositions can be contraries. Subcontrary propositions can both be true, but the truth of a necessarily false proposition is not possible.2 This problem is rarely raised in other logic texts, but, it is interesting to note, it is mentioned by a number of neoscholastic philosophers, for example, P. Nicholas Russo,3 Rev. H. Grenier,4 1 Irving M. Copi, Introduction to Logic (New York: Macmillan, 1986), pp. 178-179. Copi first introduced this problem in the fifth edition of his work on the basis of an article by David H. Sanford entitled " Contraries and Subcontraries,'' Nous 2 (1968) : 95-96. Sanford argues that the most reasonable way to resolve the problem of necessary propositions is to assume that contingent propositions comprise the square of opposition. 2 Copi, pp. 178-179. 8 Nicholas Russo, Summa Philosophica (Boston: Apud Marlier et Socios, 1[;85), p. 23. 4 Henri Grenier, Thomistic Philosophy, Vol. I (Charlottetown, Canada: St. Dunstan's University, 1950), p. 69. 427 428 MARK ROBERTS G. Sanseverino,5 Jacques Maritain,6 F.-X. Maquart,7 P. Coffey,8 and others.9 (It is also mentioned by Bishop Whately.10 ) Each of these philosophers makes necessarily true or false propositions an exception to the definition of contrary and subcontrary propositions. The reason is they and Copi interpret the definitions of contrary and subcontrary propositions to mean that the falsity of each contrary proposition is possible and the truth of each subcontrary proposition is possible. It should be mentioned, however, that the position of the philosophers cited above is not entirely the same as Copi's. Copi reasons that these definitions imply that necessary propositions have no contrary or subcontrary. The other philosophers believe that necessary propositions can be contraries and subcontraries. Thus, in the case of necessary propositions contrary and subcontrary propositions are, instead, defined merely in terms of their quantity and quality, not by whether or not they can both be false or can both be true. In fact, Coffey and some of the other philosophers cited above assert that, when the propositions composing the square are necessary, one can infer the truth of the universal from the truth of 5 Gaietano Sanseverino, Philosophia Christiana, Vol. II (Neapoli: Vincentii Manfredi, 1862), pp. DCCXXXVIII ff. 6 J. Maritain, An Introduction to Logic (London: Sheed & Ward, 1937), p. 135, notes 1 & 2. 7 F.-X. Maquart, Elementa Philosophiae, Vol. I (Parisiis: Andreas Blot, 1937)' p. 126 ff. 8 P. Coffey, The Science of Logic, Vol. 1 (New York: Longmans, Green & Co., 1918), p. 225, 226. 9 Joseph Gredt, Elementa Philosophiae, Vol. I (Friburgi: Herder, 1929), p. 46, notes 1 & 2; Sylvester J. Hartman, A Textbook of Logic (New York: American Book Co., 1936), p. 162 ff; Roland Houde and Jerome J. Fischer, Handbook of Logic (Dubuque, Iowa: Wm. C. Brown Co., 1954), p. 61; Eduard Hugon, Cursus Philosophiae Thomisticae, Vol. I (Parisiis: P. Lethielleux n.d), p. 155; Dennis C. Kane, Logic: The Art of Predication and Inference (Providence: Providence College Press, 1978), p. 98 ff; Francis P. Siegfried, Essentialia Philosophiae (Philadelphia: Dolphin Press, 1927), p. 25; Francis Varvello, Minor Logic, trans. and supplemented Arthur D. Fearon (San Francisco: Univ. of San Francisco Press, 1933), p. 73 ff. 10 Richard Whately, Elements of Logic (Boston: James Munroe & Co., 1854), p. 77 ff. PROPOSITIONS AND THE SQUARE OF OPPOSITION 429 the particular and the falsity of the particular from the falsity of the universal.11 Maritain maintains that in the case... (shrink)

In birds and frogs, species pairs retain the capacity to produce viable hybrids for tens of millions of years, an order of magnitude longer than mammals. What accounts for these differences in relative rates of pre- and postzygotic isolation? We propose that reproductive mode is a critically important but previously overlooked factor in the speciation process. Viviparity creates a post-fertilization arena for genomic conflicts absent in egg-laying species. With viviparity, conflict can arise between: mothers and embryos; sibling embryos in the (...) womb, and maternal and paternal genomes within individual embryos. Such intra- and intergenomic conflicts result in perpetual antagonistic coevolution, thereby accelerating interpopulation postzygotic isolation. In addition, by generating intrapopulation genetic incompatibility, viviparity-driven conflict favors polyandry and limits the potential for precopulatory divergence. Mammalian diversification is characterized by rapid evolution of incompatible feto-maternal interactions, asymmetrical postzygotic isolation, disproportionate effects of genomically-imprinted genes, and “F2 hybrid enhancement.” The viviparity-driven conflict hypothesis provides a parsimonious explanation for these patterns in mammalian evolution. BioEssays 22:938–946, 2000. © 2000 John Wiley & Sons, Inc. (shrink)