COMPENDIUM 



OF 



NATURAL PHILOSOPHY. 



PART THE FIFTH. 



CHAP. III. 



Of the Properties that are common to all Bodies, 

 and of the Elements of Natural Bodies. 



1. Of Extension. 



2. Of a Vacuum. 



3. Of Solidity. 



4. Of Divisibility. 



5. Of Motion and Rest. 



6. Of the Laws of Motion. 



7. Of the Aristotelic Elements. 



8. Of the Principles of the Chy- 



mists. 



9. Objections to them. 



19. What is the primary Element 

 of all Things. 



1. JL JLAVING spoken of the particular species of 

 bodies, it remains only to speak of bodies in general : 

 and it may be observed of them all, that they are ex- 

 tended, solid, divisible, figured, and capable of motion. 

 We cannot conceive any body that is not extended or 

 composed of several parts : and yet \ve cannot affirm 

 that the essence of body consists in this alone, 

 VOL, iv. B 



