Mir Damad’s idea of essentially made is the theory of simple making of Quiddity. According to his description, because of essential need of possible being to creative cause, its essence and quiddity is the thing that becomes real in the process of making, not the accidental such as existence or qualification. Detailed studies of his theory depend on recognizing the meaning of "existence" and “quiddity" in his works and understanding two main properties of quiddity: being hypothetical (taqdir) and being real. According to Mir Damad, the process of making and creation is the action of going out from being hypothetical to being real and nothing is added to quiddity. When quiddity became real, “existence”, as a mental nature, is perceived. Thus, the ascription of existence to quiddity is a composite making. Because Mir Damad has regarded in his argument for the simple making of quiddity, the negative aspect of essential possibility as the same thing with real quiddity, he does not believe in principality of quiddity in the sense in which it is negated in the transcendental philosophy.
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