Review of the Principia of Newton. 243 
ure attributable almost all the phenomena of nature, and par- 
ticularly those of the heavenly bodies. Secondly, whenever 
investigations relative to the nature and laws of any force, 
are found to apply to the objects of the natural world, in nu- 
merous particulars, so as to bear the test of an experimentum 
erucis, his qnalysis in respect to it ceases, and the —e then 
safely assumes the contrary order of synthesis. ‘This is pre- 
cisely the manner in which our illustrious philosopher has 
conducted his celebrated work, ia strict coincidence with 
the Baconian logic by induction. Wherein then consists 
the justice of the Encyclopediast’s remark? But agreeably 
to our plan we will endeavour to exhibit the parts of this 
It commences with what in a regular sirens on such mae 
the 9 vay poe of pandas oases which ‘Bacon rene as ar- 
rogant, and beyond the capacity of an 7 
Newton on the other hand, grounds his thw ws on facts and 
€xperience, and from them has very concisely deduced all the 
principles of the ecciaen powers, so much and so uselessly 
diffused by modern writer 
The next preliminary propositions are those which relate’ 
to prime and ultimate ratios, intended as the metaph ysique or 
foundation of the sublime and intricate investigations of the 
Maties, the syiidieticat mode of demonstration. As to 
mathematical form of deriving particular and isolated eras; 
Uction, it is wholly imm aterial, for mathematical pad 
and synthesis differ in nothing except that in ene ease, 
wu Atque ex eadem raaeeeee we Dei, seule quedam, sive leges na- 
i possunt, qu sunt cause secundar ee ok ra diverso- pipes 
emotes uum, quos in <seeteliat orporibus ad verkinieat: then goes on 
Snumerate some of the iow of motion, and particularly that hat of the continua- 
tion —— tion. — Cartes’ Philosophy. 
L. XI.— 31 
