Abstract
§ 1. The purpose of this paper is to inquire what distinction can or should be drawn between logic on the one hand and on the other psychology, so far as psychology concerns itself specifically with the problem of knowledge. The suggestions I have to make are very provisional, and are based mainly on a criticism of the late Mr. Bradley's views of the nature and scope of logic and psychology. For this reason I have for my title adapted from Bradley's article on “Association and Thought” a famous phrase which seems to me to illustrate fairly well the meeting-point of these two sciences in his thinking. At the same time this very criticism is itself chiefly founded upon philosophical considerations with which Bradley at least as much as any other writer has taught me to sympathize. In short, I assume some sort of Absolute Idealism; and my excuse must be the further assumption—which I hope the reader will more readily tolerate— that the proper criticism of any theory is that which it can be shown to pass upon itself in the course of its own development.