Life
Twardowski's family belonged to the Ogończyk coat-of-arms.
Twardowski studied philosophy in Vienna with Franz Brentano and Robert Zimmermann. In 1892 he received his doctorate with his dissertation, Idee und Perzeption (Idea and Perception), and in 1894 he presented his habilitation thesis, Zur Lehre vom Inhalt und Gegenstand der Vorstellungen (On the Doctrine of the Content and Object of Presentations). He originated many novel ideas related to metaphilosophy. He lectured in Vienna in the years 1894-95, then was appointed professor at Lemberg in Austrian Galicia (later Lwów, now Lviv in the Ukraine) .
There Twardowski established the Lwów-Warsaw School of logic and also became the "father of Polish logic", beginning the tradition of scientific philosophy in Poland. Among his students were the logicians Stanisław Leśniewski, Jan Łukasiewicz and Tadeusz Czeżowski, the historian of philosophy Władysław Tatarkiewicz, the phenomenologist and aesthetician Roman Ingarden, as well as philosophers close to the Vienna Circle such as Tadeusz Kotarbiński and Kazimierz Ajdukiewicz.
Read more about this topic: Kazimierz Twardowski
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