Petrović’s prose carries the modest courage of a teacher who expects readers to come away altered. He attends carefully to definitions—what counts as meaning, how predicates gather subjects—but refuses the purist’s temptation to enshrine definitions behind locked glass. Meanings are negotiated in practice: insofar as we act with concepts, those concepts embody tendencies and limits of action. Logic, then, is implicated in ethics and politics.
: This includes explanations of logical connectives (AND, OR, NOT, IF-THEN), quantifiers (for all, there exists), and their use in forming and evaluating logical expressions. Gajo Petrovic Logika.pdf
If you cannot find the PDF, look for the English translation of his key essays: Marx in the Mid-twentieth Century (Anchor Books, 1967). While not titled Logika , it contains the same radical seeds of his dialectical project. Petrović’s prose carries the modest courage of a