Directory:Logic Museum/Philotheus Boehner

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Philotheus Boehner, born Heinrich Boehner (February 17, 1901 – 1955) was a member of the Franciscan order and a distinguished medieval scholar.[1]


Boehner was born Heinrich Boehner on February 17, 1901, in Lichtenau, Westphalia. He entered the Franciscan Order in 1920, and was given the name Philotheus,[2] the Latin form of the Greek Philotheos, ("friend of God"). In 1927 he was ordained as a priest, although he was so ill with tuberculosis he was not expected to live. While he was resting he began his work as a medieval scholar by translating Etienne Gilson's work on Saint Bonaventura. He became a close friend of Gilson in the 1930s.

In the summer of 1940 Boehner moved to Saint Bonaventure College (now a university) where he lectured on Franciscan philosophy, and it was here that he began to build the Franciscan Institute into a centre of international Franciscan scholarship.


  • Boehner, Philotheus OFM, trans. Saint Bonaventure’s Itinerarium Mentis in Deum, introduced (New York: The Franciscan Institute Publications, 1 9 5 6 ) .
  • (1947), 'The Metaphysics of William Ockham', The Review of Metaphysics. 1/4 (1947–1948), 59–86; reprinted in Boehner (1958), 373–399
  • "Ockham's Tractatus de Praedestinatione et de Praescientia Dei et de Futuris Contingentibus and Its Main Problems", in: Proceedings of the American Catholic Philosophical Association 16 (1941) 177-192; reprinted in Boehner (1958).
  • The Text Tradition of Ockham's Ordinatio, in: The New Scholasticism 16 (1942) 203-241; The Spirit of Franciscan Philosophy, in: FrSt 2 (1942) 217-237;
  • "The Notitia Intuitiva of Non-existents According to William Ockham. With a Critical Study on the Text of Ockham's Reportatio and a Revised Edition of Rep. II, q. 14-15", Traditio 1 (1943) 223-275;
  • The Tractatus de successivis Attributed to William Ockham (ed.), St. Bonaventure 1944; Ockham's Political Ideas, in: The Review of Politics 5 (1943) 462-487;
  • The Medieval Crisis of Logic and the Author of the Centiloquium Attributed to Ockham, in: FrSt 4 (1944) 151-170;
  • Ockham's Theory of Truth, in: FrSt 5 (1945);
  • The System of Metaphysics of Alexander of Hales, in: FrSt 5 (1945) 366-414;
  • Tractatus de praedestinatione et de praescientia Dei et de futuris contingentibus of William Ockham (ed.), St. Bonaventure, 1945;
  • Ockham's Theory of Signification, in: FrSt 6 (1946) 143-170;
  • Ockham's Theory of Supposition and the Notion of Truth, in: FrSt 6 (1946) 261-292;
  • The Realistic Conceptualism of William Ockham, in: Traditio 4 (1946) 307-335;
  • Walter Burleigh, De puritate artis logicae (ed.), St. Bonaventure 1951;
  • Eine Quaestio aus dem Sentenzenkommentar des Magisters Nikolaus Oresme, in: RThAM 14 (1947) 305-328;
  • The Metaphysics of William Ockham, in: Review of Metaphysics 1 (1948) 59-86;
  • Notitia Intuitiva of Non Existents According to Peter Aureoli, O.F.M., in: FrSt 8 (1948) 388-416;
  • Zu Ockhams Beweis der Existenz Gottes. Texte und Erläuterungen, in: FS 32 (1950) 50-69;
  • Three Sums of Logic Attributed to William Ockham, in: FrSt 11 (1951) 173-193;
  • Does Ockham Know of Material Implication?, in: FrSt Commemorative Volume (1951) 203-230;
  • William Ockham, Summa Logicae (ed.), 2 Bde., St. Bonaventure 1951-1954;
  • Bemerkungen zur Geschichte der De Morganschen Gesetze in der Scholastik, AGPh 4 (1951) 113-146;
  • Medieval Logic. An Outline of its Development from 1250 to c. 1400, Manchester-Chicago 1952;
  • Examination of Conscience According to St. Bonaventure, St. Bonaventure 19582;
  • Walter Burleigh, De puritate artis logicae tractatus longior (ed.), with a Revised Edition of the Tractatus brevior, St. Bonaventure 1955;
  • William Ockham, Philosophical Writings (ed., Übers.), Edinburgh 1957, Indianapolis 19903;
  • Collected Articles on Ockham, St. Bonaventure 1956;
  • Saint Bonaventure, The Journey of the Mind to God (Übers.), St. Bonaventure 1956, Indianapolis 19932;
  • Conferences for Franciscan Religious, St. Bonaventure 1966.


As a result of his work and influence, a large output of scholarly publications issued from the Franciscan Institute (More than thirty volumes form 1944-55, divided into five series - Philosophy, Theology, Texts, History, and Missiology.

Probably his most enduring work is the critical edition of William of Ockham's Opera omnia theologica et philosophica, together with Professor Ernest Moody.[3]


  1. ^ <templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>"The Thomas Merton Archives at St. Bonaventure University". St. Bonaventure University. Retrieved 2009-07-05.
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  3. ^ <templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>"Philotheus Boehner [edit]". Open Library. Retrieved 2009-07-05.