Page:Ferrier's Works Volume 3 "Philosophical Remains" (1883 ed.).djvu/393

Rh process of sensation)—we think that we can accomplish this, without, on the one hand, forcing consciousness to overstep itself, and on the other hand, without reducing that reality to the delusive impressions of an understanding born but to deceive. Whatever the defects of our proposed demonstration may be, we flatter ourselves that the dilemma just noticed as so fatal to every other solution will be utterly powerless when brought to bear against it: and we conceive, that the point of a third alternative must be sharpened by the controversialist who would bring us to the dust. It is a new argument, and will require a new answer. We moreover pledge ourselves that, abstruse as the subject is, both the question and our attempted solution of it shall be presented to the reader in such a shape as shall 'compel him to understand them.

Our pioneer shall be a very plain and palpable illustration. Let A be a circle, containing within it X Y Z.