22 DE CVRVA Q.VADAM 



Eft vero vt vidimus : 



d_P p f p p 



* P — ~~ ^ ~* I+P 4" 3 (2-Hl>) *~H 3 » J-+-j>) "4~ "T7-~~~) 4 etC * 



faincque porro: 



^p i i . - ■» , 



5 .5/f) 2 — (i-*-f)* -t- h-±-p) 2 4- (a-t-fj- 4- u-+-pj* "• e - c * 



<*"£_ _j « ' _ • _ Pfr 



i.jdf 1 — " U-*-p) 3 ~ (i + fj ] (s -+-*>)" ~~ (+-+-£)" tlL * 



d* P i j «• • 



ui.sdp* ■--"-■ f~~~~~~~ -V" ~~~~~~~ 4- (T~~~~~ "+" (~~+~~~» 4- etc - 



€tC. 



vnde ob Vzzlq colligimus : 



/(i 4-f J— - A co 4-u(~^-l> 4- --f^) 4- 3 -fc)-+- etc.) 



t - 1 i 



4- 1 u' Q7~~~j~ 4 "---^-j -4- (7~~~~~ 4- ete - ) 



— \ w 1 ( ( ~~V 4 (~~r~~~ 4- (7~~~~~ -H etc. ) 



+ *w*(~~~~~« 4- (T~~~)4 4- (17-7- H- etc.) 



— j« s ((7~~~~" 4- (7~~~j5 4- (7-z~~J 4- etc.) 

 etc. 



19. Hic iam coordinatae p et q vt conftantes 

 fpe&ari poiTunt , quoniam litterae « et vp nouas 

 coordinatas a dato cnruae punfto fumtas atque illis 

 parallelas referunt ; ex quarum relatione hic definita 

 indoles curuae circa id punctum verfantis facile in- 

 veftigatur. Quare cum iam innumerabilia curuae 

 punfta aflfignauerimus , hinc tractus fingularum cur- 

 vae portionum inter bina illorum pun&orum inter- 

 iacentium vero proxime definiri poterit, Primo 



fcilicet 



