This thesis makes a thorough analysis of Plato's concept of Idea by referring to many important Plato's dialogues, with studying some other concepts, such as nous, noesis, auto, etc.
它作为事物之自身,乃是事物的本质,作为思维在,乃是与事物之本质相应的思维之概念,而它同时又是事物的
想
在,构成了事物的目的,这样,它在根本上是本
、
辑学和目的
三者的统一。