terac p tt q accipiiint; crit enim 



ij = ^ ^ c - rL -i- : c (i -I- 3 cof. 1 7/} et 



diim ipfdrum qiiantitiitum c ct Cj) inutationcs momenta- 

 ncae Amt ^-^ - p cc ^^ J ir ^. 



f. 10. Ex cognitis autem his mutationibus, feu 

 differcntialibus primis, ctinm difTcientialia altiora clici po- 

 tcrunr. Cum cnim fit </v] zid^ — a^, erit tp^- — q — i^ 



vndc diffcrcntiando rcpericmus 



i°- '^f=/'?f4--r^'J--i-^4-.:p(i-+-3cof.87;) 



— 3i'(?— f""— 7/ 

 quac cxprcnioncs reducuntur ad fcqucntcs: 



— 3v' (27—1) fin. 27; 



- 3 (2*7-1) Cof. 2 71. 



Simillnuc modo ctlam altiora diffcrcntialia, fi opui. fucrit, 

 dcllniri potcrunt. 



6. II. His autcm diffcrcntialibus inucntis, tam (i- 

 tus quam motus nnllrac J.unac, (]uac nunc crat in L, 

 ad dc.tum quoduis tcmpus hinc clap(um, quod fit 3:01, 

 aflignari potcrir. Si cnim pro rcir.porc ab initio clapfo 

 6 _^ (jj ^ qiiod dcfigncmus pcr 6', quaruor quantitatcs fi- 

 tum ct motiim contincntcs ponantur //, ^', i' ct Cp', cns 



talcs 



