Kazimierz Ajdukiewicz
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Kazimierz Ajdukiewicz was a Polish philosopher and logician, a prominent figure in the Lwów–Warsaw school of logic.
Lwów–Warsaw school
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The Lwów–Warsaw School was an interdisciplinary school founded by Kazimierz Twardowski in 1895 in Lwów, Austro-Hungary.
Kazimierz Twardowski
Warsaw University Library. Atop columns: statues (facing entrance) of Lwów–Warsaw School philosophers: Kazimierz Twardowski, Jan Łukasiewicz, Alfred Tarski, and Stanisław Leśniewski