(58) = 



§. i6. Qunrta inm .icqiialitas noflra crat D' — Dzz C, 

 qu.ic cum Icmmate IV^ comparuta pracbct 



M =: C = [ ;; ( « — I ) ( ;; — i ) , 

 ita vt hic fit a-J, indc igitiir litter.i N nobis fiippcditabit 



D = s', ;; (;; — i) (;; — 2) (;; — 3) , fuic 



T^ n n— I n — s n — 3 



U — 1 ■ -^ , . 



§. 17. Hoc valorc inucnto pcrgamus ad acqualit.itcm 

 quintam E' — E iz: D , quac nobis pro lcmmatc V. cxhibct 

 M-D-iifi(n — I ) (« — -) (» — 3 ) T ita \t hic fit a r=i ,'^, 

 quare valor ibi pro N afllgnatus pro pracCcnti cafu pracbcc 



E z= iJo « (« — C« — =) ( « — 3) (« — +)> 

 (iue morc folito 



n — I n — t n — S n — 4 



E=:\. 



i 



§. 18. Prorfus fupcrfluum forct hos cafus vlrcrius prn- 

 fcqui, cum iam lucc mcridiana chirius apparcat , pro fiiigulis 

 lirtcris fcqucntibus cosdcm planc vah)rcs ncccffirio prodirc dc- 

 bcre, quos cuolutio Ncwtoniana docuit; atque h:'cc dcmondrn- 

 tio naturac rci tam apprimc accommodara vidctur, AtiHictiam 

 in primis Analyfcos clcmentis locus dcnegari nequcar. Quin 

 ctiam vniucrfum ratiocinium , quo hic vfi fumus, omncm vim 

 rctinctj ctiamfi adco cxponcns ;; \t imaginarius Ipcclarctur. 



DE 



