Abstract

This paper examines the development of the modern concept of substance from Leibniz to Hegel. I will focus primarily on the problem of the inner and outer nature of substance. I will show that if one considers Hegel’s discussion of substance against the background of the controversy between Leibniz and Kant about the inner and outer nature of substance, it becomes clear that for Hegel both Leibniz and Kant grasped the whole concept of substance only partially and in its abstract moments. This is because they both concentrate on one aspect of substance and absolutize it. Hegel, on the other hand, not only overcomes the fundamental difference between the inner and outer of substance, but also develops the connection between the different moments of substance, causality and interaction from the rationalist concept of substance itself.