Aries Tottle's mode, in a word, was based on noumena; Hog's on phenomena.
Does Mr. Mill really suppose that all noumena are self-existent?
There is the world of appearance (phenomena), and there is the world of reality or substance (noumena).
We may begin with the passages in the chapter on phenomena and noumena.
All noumena are there before we arrive at an understanding ...