Investigation of imagination meanings of principality of existence issue

sometimes, imagination of philosophy issue is more important and more difficult than its judgment, and principality of existence issue is from these issues. in this article, we have surveyed to some of imagination meanings of this issue.also we have surveyed to two explanation of disputable point; and we have surveyed with reasons of principality of existence to some of imagination meanings. explanation of disputable point, which is an important issue in this field, is not mentioned in Mullah Sadra's books. But people like Sabzevari, Tabatabai and others have paid it. In the meantime, modares Zunuzi has written a comprehensive and precise explanation of disputable point on the issue. Some have criticized this and we have responded to them. In this article, the meanings of the quiddity, existence, imagination meanings, and limitation of the dispute are discussed. It addresses issues such as whether there are personal or some kind of phenomena in this issue.