┌───────────────────────────┐ │ CONCEPT │ (Pojam) │ The building blocks │ └─────────────┬─────────────┘ │ ▼ ┌───────────────────────────┐ │ JUDGMENT │ (Sud) │ Combining concepts │ └─────────────┬─────────────┘ │ ▼ ┌───────────────────────────┐ │ INFERENCE │ (Zaključak) │ Deducing new truths │ └───────────────────────────┘ 1. Introduction: The Definition and Scope of Logic
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Gajo Petrović (1927–1993) was more than a logician; he was a revolutionary thinker who sought to humanize Marxist philosophy. As a co-founder of the journal Praxis , Petrović advocated for "creative practice" ( praxis ) as the core of human existence. This philosophical backdrop informs his approach to logic, which he views not as a cold, mechanical set of rules, but as a vital tool for critical thinking and human liberation. Structure and Content of Logika
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Gajo Petrović Logika PDF: Preuzimanje novog i klasičnog udžbenika
: The rules for creating clear definitions and logical classifications . As a co-founder of the journal Praxis ,
Petrovic's approach to logic was deeply rooted in the dialectical materialist tradition, which emphasizes the dynamic and relational aspects of reality. He was interested in how logic could be used not just as a tool for formal reasoning but as a way to understand the world in its complexity and changeability. This approach to logic was innovative in that it sought to integrate the rigor of logical analysis with the flexibility and context sensitivity required to grasp the dialectical nature of reality.
A judgment is a combination of concepts that can be declared either . Petrović utilizes the traditional Aristotelian classification of judgments based on four criteria:
Petrovic's Logika is celebrated for its clarity and pedagogical rigor. It typically follows a structured progression: If you’d like, I can: Gajo Petrović Logika
Before diving into the text itself, it is crucial to understand the mind behind it. Gajo Petrović (1927–1993) was a towering figure in 20th-century philosophy. Based primarily at the University of Zagreb, Petrović was a prominent member of the Praxis school of Marxist philosophy, renowned for his emphasis on humanism, freedom, and critique of dogmatism.
His academic journey took him from the University of Zagreb to a stint in the Soviet Union, where he witnessed the repression of philosophical thought under Stalin—a formative experience that steeled his resolve for independent thinking. He earned his PhD in 1956 and subsequently taught logic and the theory of philosophy at the University of Zagreb until his retirement. His intellectual courage, however, came at a price. His support for student protests in 1968 led to his expulsion from the Party. Yet, his legacy endures through his writings, and in 2001, a collection of articles in his honor, The Reality and the Criticism , was published in Zagreb.
: A significant part of Petrovic's work was devoted to critiquing dogmatic approaches to Marxism and philosophy. He advocated for a critical and open-ended approach to intellectual inquiry, which his work on logic exemplifies.