Document Type : Biannual Journal
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Abstract
Analysis of Ibn Sina's Approach in motion theory shows he has doubt in proving certain types of accidental movements and in denying the substantial motion process. This doubt is indicative of sheikh’s philosophical foundations in essentiality of existence and is accompanied by proof of certain types of accidental movements such as Quantity and quality of motion in the creatures because of negating gradation in quiddity and believe its mentally posited in sinavy thought. Yet Ibn Sina Submitted to its accuracy because the moving process in Quantity and quality is evident. But on the other hand, he refuses to accept the motion in creatures" substance Due to the lack of serious concern in essentiality of existence and its abstraction Principles. It is reflected in some positions of his thought. In these positions Ibn Sina implicitly and even explicitly has acknowledged the incomplete immateriality of soul and possibility of ishtidad, despite of denial of substantial motion of souls.
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