Petrović advocates for dialectical logic as the necessary evolution of human thought. In his view, dialectics is not merely a method imposed upon reality but is the very reflection of the objective dialectics of the world itself. He draws heavily on Hegel and Marx, arguing that thought must be capable of comprehending contradiction—not as a logical error to be dismissed, but as the engine of development.
By working through these examples and analyzing them, students are guided to discover the logical principles for themselves, building toward general theories and definitions. This inductive and example-driven approach made learning logic an active, engaging process of discovery rather than a passive exercise in memorization.
For students preparing for high school matura exams, philosophy majors tackling advanced epistemology, or self-directed learners, having a portable, searchable PDF version of Logika is invaluable. It ensures that Petrović’s structured approach to clear thinking remains accessible to anyone with an internet connection. Conclusion: An Enduring Intellectual Anchor
In the Logika manuscript, Petrović famously argues that the principle of non-contradiction (A ≠ not-A) is valid only for static , finished objects. But for reality-in-process—for human history, for living nature, for revolutionary action—contradiction is the motor of progress.
This is the heart of formal logic, where Petrović explains how new truths are derived from existing premises. He breaks down: