Some Main Issues Related To Logic Science In Fārābī

Fārābī (871-950), is one of the most important philosophers of the Middle Ages of Islamic philosophy, has been one of the areas that he contributed most in philosophical teaching was, undoubtedly, logic science. His philosophy, as a whole, aims to make the individual and the society happyness. The role of the science of logic here is an evident in the competence of both theoretical and practical philosophy. Therefore, without having the knowledge of logic, it is not possible to achieve happiness in the philosophical sense. In other words, it is not possible to realize competence in sciences without knowledge of logic. This feature of logic makes it very important at existential level. For this reason, in the understanding of Fārābī, logic is an introduction to philosophy as a tool science. On the other hand, it is possible to mention the introduction or preparation of logic in a suitable way. That is why Fārābī wrote many articles about nature of logic as a preparation for it. Considering the content of the work written by Fārābī, it is possible to identify the basic issues before starting the logic that need to be learned as follows: The nature, subject, location, importance, aim, utility, non-alternativity of the logic, its relationship with other disciplines, five universals, methods of obtaining information, more interested in of logic, such as essence-accident and priority-posteriority. Some of these issues are not only for logic, but also for the preparation of philosophy. For this reason, among all these things only nature, subject, location, importance, purpose, utility, non-alternative issues of the logic were discussed in this study. According to Fārābī's conception, logic is a science that directs people to the right wherever it is possible to do wrong and protects people from being mistaken in every knowledge. Protecting and correcting people from doing wrong comes fr om its own subject. The main subject of logic is reasonable things and the second reasonable things which are related to reasonable things. The second reasonable things in the human mind becomes apparent as parts of the science of logic. After Fārābī, the logic is considered as nine chapters. However, Fārābī considered logic as eight chapters: Categories, Propositions, First Analytics, Second Analytics, Topics, Rhetoric, Poetics and Sophistical Refutation. He does not include Isagoge into the chapters of the logic. The most important of these chapters is the Second Analytics. The three sections before this chapter are in preparation for learning it; the four parts that come