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THREE:It was a consequence of the principle just stated that in formal logic the Stoics should give precedence to the hypothetical over the categorical syllogism.40 From one point of view their preference for this mode of stating an argument was an advance on the method of Aristotle, whose reasonings, if explicitly set out, would have assumed the form of disjunctive syllogisms. From another point of view it was a return to the older dialectics of Socrates and Plato, who always looked on their major premises as possessing only a conditional validity��conditional, that is to say, on the consent of their interlocutor. We have further to note that both the disjunctive and the hypothetical syllogism were first recognised as such by the Stoics; a discovery connected with the feature which most profoundly distinguishes their logic from Aristotle��s logic. We showed, in dealing with the latter, that it is based on an analysis of the concept, and that all its imperfections are due to that single circumstance. It was the Stoics who first brought judgment, so fatally neglected by the author of the Analytics, into proper prominence. Having once grasped propositions as the beginning and end of reasoning, they naturally and under the guidance of common language, passed from simple to complex assertions, and immediately detected the arguments to which these latter serve as a foundation. And if we proceed to ask why they were more interested in judgment than in conception, we shall probably find the explanation to be that their17 philosophy had its root in the ethical and practical interests which involve a continual process of injunction and belief, that is to say, a continual association of such disparate notions as an impression and an action; while the Aristotelian philosophy, being ultimately derived from early Greek thought, had for its leading principle the circumscription of external objects and their representation under the form of a classified series. Thus the naturalistic system, starting with the application of scientific ideas to human life, ultimately carried back into science the vital idea of Law; that is, of fixed relations subsisting between disparate phenomena. And this in turn led to the reinterpretation of knowledge as the subsumption of less general under more general relations.