62

Logic 62

no doubt arises naturally enough from a superficial survey.
But in another chapter we shall have occasion to inquire somewhat closely into the nature of the different sciences and we shall then find that so far is it from being true that the normative character must necessarily be exclusively due to the branch of knowledge that possesses it being a mere concrete application to a practical need of a theory which in its pure development never considered that need that on the contrary this character may equally have it's origin in the circumstance that the science which presents ot os sp very abstract sp allow to from any experiential lineage that ideals alone in pace of positive facts of experience can be its proper objects.
It is J.S Mill who insists that how we ought to think can be ascertained in no other way than by reflection upon those psychological laws which tach us how we must needs think.
But here we have to distinguish the case