Since Aristotle, the founder of formal logic, concepts, judgments, and inferences have been recognized as the principal logical forms of thought upon which higher levels of cognition—conceptual frameworks and theories—are founded. Throughout the history of logic, philosophers have paid varying degrees of attention to the characteristics of concepts as a form of thinking, often emphasizing the problem of the most general concepts, or categories. This article offers a comparative analysis of the approaches to categorial knowledge developed by Aristotle and Al-Farabi, an outstanding representative of the Eastern Peripatetic school.

Logical form, categorial knowledge, hierarchy of concepts

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