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33We define DNA sequence by a bottom-up approach, starting with a real sequence from an actual biological sample. By providing axioms for notions of string, substring and strand, we formally define a DNA sequence, and a DNA molecule as composed of two antiparallel strands. We note that a sequence is a kind of group in which each member stands a certain relation to every other. The spatial aspects of a DNA sequence are also described.
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20Truth-MakersIn Jean-Maurice Monnoyer (ed.), Metaphysics and Truthmakers, Ontos Verlag. pp. 18--9. 2007.Reprint of paper first published in Philosophy and Phenomenological Research in 1984.
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6Book Reviews (review)History and Philosophy of Logic 13 (1): 115-132. 1992.Al-Farahr’s commentarv and short treatise on Aristotle’s De interpretatione. Introduction and translation from Arabic by F. Zimmerman. Oxford: Published for the British Academy by Oxford University Press, 1987. clii + 287 pp. of English. £22.50 Johann Andreas Segner, Specimen logicae universaliter demonstrate. Appendices: Two dissertations De syllogismo. Edited by Mirella Capozzi. Bologna: Editrice CLUEB, 1990. clxxii + 281 pp. 85 000 Lire M. Borga, P. Fregugua And D. Palladino, I contribua fond…Read more
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7Book Reviews (review)History and Philosophy of Logic 4 (1-2): 225-259. 1983.MEDIEVAL LOGICNORMAN KRETZMANN, Infinity and continuity in ancient and medieval thought. Ithaca and London: Cornell University Press, 1982. 367 pp. $36.lO/£20.75.A. MAIERÙ, English logic in Italy in the 14th and 15th centuries. Acts of the 5th European Symposium on Medieval Logic and Semantics. Rome 10-14 November 1980. Napoli: Bibliopolis, 1982. 388 pp. 60,000 lire.PHENOMENOLOGY AND LOGICBARRY SMITH, Parts and moments. Studies in logic and formal ontology.Miinchen, Wien: Philosophia Verlag, 198…Read more
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197WahrmacherSwiss Philosophical Preprints. 2009.Als zu Beginn des Jahrhunderts der Realismus wieder ernst genommen wurde, gab es viele Philosophen, die sich mit der Ontologie der Wahrheit befaßten. Unabhängig von der Bestimmung der Wahrheit als Korrespondenzbeziehung wollten sie herausfinden, inwieweit zur Erklärung der Wahrheit von Sätzen besondere Entitäten herangezogen werden müssen. Einige dieser Entitäten, so zum Beispiel Bolzanos ‘Sätze an sich’, Freges ‘Gedanken’ oder die ‘propositions’ von Russell und Moore, wurden als Träger der Eige…Read more
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23Ancient and Medieval Theories of IntentionalityBrill. 2001.This volume, including sixteen contributions, analyses ancient and medieval theories of intentionality in various contexts: perception, imagination, and intellectual thinking. It sheds new light on classical theories and examines neglected sources, both Greek and Latin
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Mathematik als Wissenschaft der GerstaltenIn Reinhard Fabian (ed.), Christian von Ehrenfels: Leben und Werk, Rodopi. 1986.
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9Introduction to part I: Millennia of metaphysicsIn Robin Le Poidevin, Simons Peter, McGonigal Andrew & Ross P. Cameron (eds.), The Routledge Companion to Metaphysics, Routledge. pp. 3. 2009.
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13European and American PhilosophersIn Robert L. Arrington (ed.), A Companion to the Philosophers, Blackwell. 2017.Peter Abelard (1079–1142 ce) was the most wide‐ranging philosopher of the twelfth century. He quickly established himself as a leading teacher of logic in and near Paris shortly after 1100. After his affair with Heloise, and his subsequent castration, Abelard became a monk, but he returned to teaching in the Paris schools until 1140, when his work was condemned by a Church Council at Sens. His logical writings were based around discussion of the “Old Logic”: Porphyry's Isagoge, aristotle'S Categ…Read more
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8Meinong’s ObjectivesIn Jesús Padilla Gálvez (ed.), Ontological Commitment Revisited, De Gruyter. pp. 21-32. 2021.
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5Why There Are No States of AffairsIn Maria Elisabeth Reicher (ed.), States of Affairs, Ontos. pp. 111-128. 2009.
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5Density, Angle, and Other Dimensional Nonsense: How Not to Standardize QuantityIn Christer Svennerlind, Almäng Jan & Rögnvaldur Ingthorsson (eds.), Johanssonian Investigations: Essays in Honour of Ingvar Johansson on His Seventieth Birthday, Ontos Verlag. pp. 516-534. 2013.
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5Konstituierende Beziehungen bei sozialen GanzenIn Gerhard Schönrich (ed.), Institutionen Und Ihre Ontologie, Ontos Verlag. pp. 211-222. 2005.
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4Ontic Generation: Getting Everything From the BasicsIn Alexander Hieke & Hannes Leitgeb (eds.), Reduction, abstraction, analysis: proceedings of the 31th International Ludwig Wittgenstein-Symposium in Kirchberg, 2008, De Gruyter. pp. 137-152. 2009.
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11Truth-MakersIn Jean-Maurice Monnoyer (ed.), Metaphysics and Truthmakers, Ontos Verlag. pp. 9-50. 2007.
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1Wittgenstein, Schlick und das AprioriIn Hans J. Dahms (ed.), Philosophie, Wissenschaft, Aufklärung: Beiträge zur Geschichte und Wirkung des Wiener Kreises, De Gruyter. pp. 67-80. 1985.
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244Vectors and Beyond: Geometric Algebra and its Philosophical SignificanceDialectica 63 (4): 381-395. 2009.
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21UnsaturatednessGrazer Philosophische Studien 14 (1): 73-95. 1981.Frege's obscure key concept of the unsaturatedness of functions is clarified with the help of the concepts of dependent and independent parts and foundation relations used by Husserl in describing the ontology of complex wholes. Sentential unity in Frege, Husserl and Wittgenstein: all have a similar explanation. As applied to linguistic expressions, the terms 'unsaturated' and 'incomplete' are ambiguous: they may mean the ontological property of Unselbständigkeit, inability to exist alone, or th…Read more
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860What’s wrong with contemporary philosophy?Topoi 25 (1-2): 63-67. 2006.Philosophy in the West divides into three parts: Analytic Philosophy (AP), Continental Philosophy (CP), and History of Philosophy (HP). But all three parts are in a bad way. AP is sceptical about the claim that philosophy can be a science, and hence is uninterested in the real world. CP is never pursued in a properly theoretical way, and its practice is tailor-made for particular political and ethical conclusions. HP is mostly developed on a regionalist basis: what is studied is determined by th…Read more
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1563Truth-MakersPhilosophy and Phenomenological Research 44 (3): 287-321. 1984.A realist theory of truth for a class of sentences holds that there are entities in virtue of which these sentences are true or false. We call such entities ‘truthmakers’ and contend that those for a wide range of sentences about the real world are moments (dependent particulars). Since moments are unfamiliar, we provide a definition and a brief philosophical history, anchoring them in our ontology by showing that they are objects of perception. The core of our theory is the account of truthmaki…Read more
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90On the principle of the excluded middleHistory and Philosophy of Logic 8 (1): 67-69. 1987.The brief article of 1910 which is translated here is, as the prefatory note explains, significant for understanding both the way in which ?ukasiewicz came to many-valued logic and the influences under which he stood at the time
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98Holes and Other Superficialities (review)Philosophy and Phenomenological Research 57 (3): 734-736. 1997.
Lugano, Ticino, Switzerland