PHILOSOPHY AS AN ORGANON 



losophy which was set forth and" illustrated in 

 the second chapter of these Prolegomena. For 

 according to that conception, we have seen that 

 philosophy is an all-comprehensive Synthesis of 

 the doctrines and methods of science ; a cohe- 

 rent body of theorems concerning the Cosmos, 

 and concerning Man in his relations to the Cos- 

 mos of which he is part. Now, though Comte 

 enriched mankind with a new conception of the 

 aim, the methods, and the spirit of philosophy, 

 he never even attempted to construct any such 

 coherent body of theorems. He constructed a 

 classification of the sciences and a general theory 

 of scientific methods ; but he did not extract 

 from each science that quota of general doc- 

 trines which it might be made to contribute 

 toward a universal doctrine, and then proceed 

 to fuse these general doctrines into such a uni- 

 versal doctrine. From first to last, so far as 

 the integration of science is concerned, his work 

 was logical rather than philosophical. And here 

 we shall do well to note an apparent confusion 

 between these two points of view, which occurs 

 in Mr. Mill's essay on Comte. M The philoso- 

 phy of science," says Mr. Mill, " consists of 

 two principal parts : the methods of investi- 

 gation, and the requisites of proof. The one 

 points out the roads by which the human intel- 

 lect arrives at conclusions ; the other, the mode 

 of testing their evidence. The former, if com- 

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