Bücher der Reihe Synthese Historical Library

The main purpose of this work is to provide an English translation of and commentary on a recently published Arabic text dealing with con ditional propositions and syllogisms. The text is that of A vicenna (Abu represents his views on the subject as they were held throughout his life.

For the term 1tpOUiPEcrt~ the term 'inten tion' or the expression 'deliberate choice' will be used instead of the term 'choice', but the definition will be the same as that given in the Physics and the Metaphysics.

The Latin texts collected by Leon Baudry present the late fifteenth century debate at the University of Louvain over the truth-value of proposi tions about future contingent events, a subject of perennial interest in phil osophy.

A tercentenary conference of March, 1985, drew to Newport, Rhode Island, nearly all the most distinguished Berkeley scholars now active. "Welcome," Berkeley would respond, since " ... In fairness, Berkeley does playa Disappearance trick of his own - with Matter now into the hat.

Here we have a use of language, a language game, in which modal notions are used so as to imply that if something is possible, it is realized.

The intent of the present work is chiefly the presentation of a running commentary, preponderantly historical in complexion, on the detail of the text of St. Anselm's dialogue De Grammatico.

Presentations and discussions at the symposium focused themselves into five areas: ancient semantics, modern research in ancient logic, Aristotle's logic, Stoic logic, and directions for future research in ancient logic and logic-related areas.

(2) the "statistical" interpretation of modal no tions where necessity means actuality in all relevant cases or omnitemporal actuality, possibility means actuality in some rel evant cases or sometimes, and impossibility means omnitemporal non-actuality;

Sten Ebbesen, Jan's student, colleague, and successor as Director of the Institute of Medieval Greek and Latin Philology at the University of Copenhagen, has earned the gratitude of all of us by memorializing Jan 1 in various biographical sketches, one of which is accompanied by a 2 complete bibliography of his publications.

In his teachings and through his choice of the dialogue-form as a mode of communication, Plato emphasized the communal aspect of intellectual work. In the fall of 1970 some of us got together to form the West Coast Greek Philosophy Conference, which was within a short time renamed by Prof.

The present selection from the Wissenschaftslehre (Sulzbach 1837) of Bernard Bolzano (1781-1848) aims at giving a compact view of his main ideas in logic, semantics, epistemology and the methodology of science.

The Third International Kant Congress met at the University of Rochester from March 30 through April 4, 1970. Over two hundred students of Kant's philosophy from Europe, Africa, and North and South America attended. The Congress was organized by a Committee consisting of Gottfried Martin of the University of Bonn and myself as co-chairmen, and the following members: Professors Ingeborg Heidemann (Bonn), Gerhard Funke (Mainz), Edmond Ortigues (Rennes), Stephan Korner (Bristol), W. H. Walsh (Edinburgh), George A. Schrader, Jr. (Yale), and John R. Silber (University of Texas). Generous financial support for the Congress was provided by Mr. Kilian J. Schmitt of Rochester. One hundred and eight papers were presented in six plenary and twenty­ two concurrent sessions. Chairmen of programs, in addition to members of the Committee, were: Professors John E. Atwell, Douglas P. Dryer, A. R. C. Duncan, Stanley G. French, Klaus Hartmann, Robert L. Hol­ mes, Peter Jones, George L. Kline, Peter Krausser, Robert G. Miller, John D. McFarland, Fritz-Joachim von Rintelen, Charles M. Sherover, Ernst Konrad Specht, Dietrich Schulz, Giorgio Tonelli, Robert Tredwell, Kurt Weinberg, James B. Wilbur, and Arnulf Zweig.

I first became interested in De dialectica in 1966, while I was doing re search on Augustine's knowledge of logic. I offer De dialectica in English in the hope that it will be of some interest to historians of logic and of the liberal arts tradition and to students of the thought of Augustine.

The humanist treatises presented here are only peripheral to the history of logic, but I think historians of logic may read them with interest, if perhaps with irritation.

Here we have a use of language, a language game, in which modal notions are used so as to imply that if something is possible, it is realized.

Pierre Gassendi (1592-1655) lived in three civilizations in the span of one life-time: medieval ecclesiastic, Renaissance humanist and modern and he never cut himself loose from any of them.

In the years that followed, Peter was very active in the 'conciliar' movement and in negotiations to bring about the end of the Great Schism of the West. Most of the secondary literature on Peter of Ailly concerns his role in church politics, his writings on the Schism and on ecclesiastical reform, and various aspects of his theology.

Keckermann remarked of the sixteenth century, "never from the begin ning of the world was there a period so keen on logic, or in which more books on logic were produced and studies oflogic flourished more abun dantly than the period-in which we live.

A tercentenary conference of March, 1985, drew to Newport, Rhode Island, nearly all the most distinguished Berkeley scholars now active. "Welcome," Berkeley would respond, since " ... In fairness, Berkeley does playa Disappearance trick of his own - with Matter now into the hat.

This book began with my edition of the anonymous treatise. ) An examination of related materials seemed reasonable, and these included Heytesbury's commentator Gaetano, as well as a chapter from a treatise by Johannes Venator (in an edition in progress provided by Francesco del Punta).

In 1647, a French translation, done by the Abbe Claude Picot and containing a great deal of additional material and a number of alterations in the original text, was published with Descartes's enthusiastic approval.

Kantian transcendental idealism is the thesis that fundamental aspects of experience are contributed by the perceiving subject rather than by the things experienced, and are not features of things as they exist independently of sensible perceivers.

Frege and Russell claimed that a verb like 'is' or'esti' is ambiguous between the 'is' of identity, the 'is' of existence, the copulative 'is', and the generic 'is' (the 'is' of class-inclusion).

Oswaldo Chateaubriand, Ronald Haver, Paul Horwich, Bernie Katz, Norman Kretzmann, Stanley Martens, Stephen Pink, Michael Stokes, Eleanor Stump, Bill Ulrich, Celia Wolf, and a lot of other people questioned or criticized or helped reformulate one or another of the arguments and interpretations along the way.

The selections contained in these volumes from the papers and letters of Leibniz are intended to serve the student in two ways: first, by providing a more adequate and balanced conception of the full range and penetration of Leibniz's creative intellectual powers;

Buridan was a brilliant logician in an age of brilliant logicians, sensitive to formal and philosophical considerations. Several problems which Buridan touches on only marginally in the works trans lated herein are developed and discussed, citing other works of Buridan;