The following inquiry is (to use a distinction familiar to readers of Mr. Shadworth Hodgson) not an inquiry into the 'how it comes,' but into the 'what it is' of cognition. What we call acts of cognition are evidently realized through what we call brains and their events, whether there be 'souls' dynamically connected with the brains or not. But with neither brains nor souls has this essay any business to transact. In it we shall simply assume that cognition IS produced, somehow, and limit ourselves to asking what elements it contains, what factors it implies.
