Tadeusz Kotarbiński

Tadeusz Kotarbiński (31 March 1886, Warsaw, Congress Poland, Russian Empire – 3 October 1981, Warsaw, People's Republic of Poland), a pupil of Kazimierz Twardowski, was a Polish philosopher, logician, one of the most representative figures of the Lwów-Warsaw School, and a member of the Polish Academy of Learning (PAU) as well as the Polish Academy of Sciences (PAN). He created a philosophical theory called "reism" (Polish: reizm).

Works

• Elementy teorii poznania, logiki formalnej i metodologii nauk (1929); second revised edition 1961; translated in English as Gnosiology (1966).
• Traktat o dobrej robocie (1955); English translation: Praxiology. An introduction to the science of efficient action, New York: Pergamon Press, 1965.
• Sprawność i błąd (Efficiency and Error) (1956)
• Medytacje o życiu godziwym (Meditations about decent life) (1966)
• Leçons sur l'histoire de la logique. Paris: Presses Universitaires de France 1964. Original Polish edition 1957.
• Gnosiology. The scientific approach to the theory of knowledge. Oxford: Pergamon Press 1966.