The process of deriving a new judgment from existing ones (Deduction, Induction, and Analogy). Methodology (Metode):
Gajo Petrović was a prominent philosopher and one of the founders of the Praxis School Gajo Petrovic Logika.pdf
In the 1960s and 70s, the Praxis School enjoyed a brief "golden age" in Zagreb and Belgrade. But by 1975, Tito’s regime, pressured by conservative forces, purged eight professors from the University of Belgrade—Petrović among them. After his firing, much of his unpublished or out-of-print work (including detailed lecture notes on logic) was locked away in private archives. The Logika manuscript represents intellectual resistance. The process of deriving a new judgment from
Petrović’s major works were translated into English, German, and French, but his Logika was often a mimeographed script for his advanced students at the University of Zagreb. After his political purge in 1975, the manuscript was never officially published in a mass-market form. The surviving copies are mostly in university special collections in the former Yugoslavia. After his firing, much of his unpublished or