DEL L' ACCADEMIA. lyi 



XH. Cscteruni quod perfpicue dcmonllrat , a formula 



— -— a nte reprjcicnran infrantaneum rocnus primo 



rt * ~ 

 momento caducum, efl: fequcns ratiocinatio, cujas epe ab iplb 

 p'"imi momcnri foenore afccndere licet gradatim ufqae ad foe- 

 nus annuum ù. Sane fi fors a primo momento gignit ufuram 



— -— Ili lors a ■+■ "Tir ~ ^' '^^ — IZ'~ pariet 



a a a 



Iccundo momento uluram — 1^7" ~" — TTT' ' *1^^ addita 

 ■' a a 



nfutic prmii momenti ontur ~"J~~ — /? prò ufura duobns 



n 



a 

 primis momentis produca. Rurfus fi fors a momento primo 



crignit toenus — ; — — — </, lors — — gignet momento 



i 3 



tcrtio ufuram — JTT "" — J~7" ' tacque addita ulurae 



a a 



prscedentium momentorum, prodit ufura trium priorum mo- 



("-ir- by .... 



menrorum — HTT" ~'^- Atque ita inverjituf quatuor prio- 



m 4 



a , - 



rum momentorum ufura = — TZT ~ « > ac denique mo- 

 mentorum omnium ;; annum intesjrum conftituentium ufura 



_ {a->r b )-■* 



— 7^ —a-da-^b — a'=.b-, qualem effe oportet. 

 a " 



XIII. Neque aliter ex formula attera «quipolenti Tsa log. 

 f b \ . 

 ( » -4 — ) nte traclata reperitur . Et revera fi a forte a prove- 



nit primo infranti ufura ~ a log. ( i h- _ j , a forte a -^ l a 

 Jog. M -t-_.j proveniet fecundo incanti toenus ^ <7 log, f i -h — j 



Y 2 -h 



