quae per rediTclionem facile mutatiir in hanc: 



o — I — I 



3 -4 



5 -9 



- \6 



9 — ctc. 



§. 17. In ifla igitur forma nihilo aequali necefle; 

 e{l vt denominatof primae fraftionis fit — i ideoquc 



1 — 3 — 4. fiuc o — 2 — 4 



5^ 5-9 



7 — etc. 7 — etc. 



Hic igitnr ob eandcm rationcm neccffe cft vt prior dcno- ' 

 minator fiat — 2, ita vt 



2—5 — 9 ^"'^ o n: 3 — 9 



7 — i5 7—1^ 



9 — etc. 9 — etc. 



Hic itcrnm primus denominator dcbet cffc — 3 ideoqus 

 3 — 7 — I <5 fuie o — 4 — 16 



9 — ^S P— 25 



I I — etc. I I — etc. 



Denuo igitur primus denominator cfTe dcbct — 4., ita vt 

 4—9 — 25 atquc hoc modo pa*tct, i(tam relationeni 



1 1 — ctc. 

 eodem ordinc in infinitum locum haberc, in quo ipfo cri* 

 tcrium vciitatis huius acquationis e(l fitum. 



Acla Acad. Iwp. Sc, Tom, VL V.ll. K §. 1 8t " 



