Page:Ferrier's Works Volume 1 - Institutes of Metaphysic (1875 ed.).djvu/395

Rh

demonstration is a mere reiteration of demonstration XV.; the word "relative" being substituted for the word "phenomenal." Each of the items specified in Prop. XIX. is the relative in cognition, because each of them can be known only along with its correlative. Thus, objects can be known only in relation to some correlative subject