WILLIAM HARVEY, M. D. 47 



3. Resolution by Aristotle of the difficulty involved (par. 



15) 



4. The order of knowledge in any art or science (par. 16) 



5. Conclusions as to the relation of perfect knowledge to 



sense (par. 17) 



6. Conclusions as restated by Aristotle (par. 18) 



7. Explication of preceding passage from Aristotle (par. 19) 



8. Concluding advice to the reader concerning testimony 



of the senses (par. 20) 



D. Of the Method to be Turned to in the Knowledge {cog- 

 nitio) of Generation 



1. The method proposed (par. 21) 



2. This method compared to that of Fabricius (par. 22) 



3. What will be set forth according to the method 



a. in respect to formal content (par. 23) 



b. in respect to material content (par. 24 and 25) 



4. What will be inferred from that set forth and the diffi- 



culties involved (par. 26) 



5. Conclusion (par. 27) 



Under * Of the Mode and Order of Acquiring Knowledge ' 

 (Section B) Harvey rests his scientific method solidly on 

 Aristotle. 



Harvey juxtaposes two key Aristotelian texts which " at first 

 blush may seem contradictory." The one text emphasizes that 

 there is but one road to scientific knowledge, i. e., to the rea- 

 soned fact, namely, a syllogistic process by which we move 

 from universals to particulars. He states that we " start from 

 the thinsrs which are more knowable and clearer to us and 

 proceed towards those which are clearer and more knowable 

 by nature " {Physics, Bk. I, Ch. 1, 184 a 16-18) . The second 

 text stresses the inductive and prior knowledge obtained from 

 sense data for " that is more perspicuous to us which is based 



