I.M. Bochenski [photograph]

I.M. Bochenski [photograph]

Father Innocenty (Józef) M. Bocheński (1902 – 1995), Polish catholic philosopher and logician, whose books on logic had profound influence on Arthur Prior. After the WWII, Bocheński taught history of the 20th century philosophy at the University of Fribourg (Switzerland) and published several books on logic and history of logic. Prior used Bochenski's A précis de logique mathématique (1948) and Ancient formal logic (1951) as textbooks for his logic classes and was inspired by his La logique de Théophraste (1947) to write his early paper on modal logic, "On propositions neither necessary nor impossible", published in The journal of symbolic logic in 1953. Bocheński send several letters to Prior in the early 1950s, informing him of the latest developments and forthcoming publications in modal logic.

The Private Archive of Jacek Jadacki, Warsaw

1945 and 1994

Jacek Jadacki

Copyright Jacek Jadacki. Used with permission. All rights reserved

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b/w photograph