In this way...

In this way, the definition of the subject is presented in the introduction to the text, and the definitions of the particular subjects of the problems are defined in the introductions to each discussion. However, the subject of philosophy (existent) and its concept are self-evident and in no need of definition. Therefore, philosophy has no need for these conceptual principles. However, the subjects of its problems, as in other sciences, are defined at the beginning of every discussion.

The assertive principles of the sciences are divided into two groups: one is the affirmation of the existence of the subject, and the other is the principles which are employed for the establishment and determination of the problems of the science. However, the existence of the subject of…