Abstract

The general purpose of this paper is to explore the outcomes and consequences of the theory of the principiality of existence. However, in practice, by explaining the role of this theory in solving one of the basic problems of Islamic theology , it rejects the idea that the opposition between the principiality of existence and the principiality of quiddity is verbal in nature. This paper examines the effect of the theory of the principiality of quiddity on the basis of some contradictory theories in the domain of the semantics of the Divine Attributes and the role of the principiality of existence in removing the related contradictions. In doing so, after determining the source of contradiction, the writer studies the origin of the theory of the principiality of existence and its principles in the history of Islamic philosophy and concludes that the dead-ends resulting from advocating the principiality of quiddity when dealing with philosophical and theological problems led Mulla Sadra to scrutinize more deeply and try to find a convincing solution. Finally, he developed the theory of the principiality of existence as a basis for a philosophical school. At the end, the writer has analyzed the semantics of the Divine Attributes on the basis of the two theories of the principiality of existence and the principiality of quiddity and explained the quality of removing the contradictions from the views of Muslim thinkers on the basis of the principiality of existence