xx^ DE TDinSORIBVS, 



Summa notarum numeri 



6 - - - - .2 A 



23 



9 - - - - .2A+I3& 

 atque vidfo fic prodire periodum ilbm , qiwc ppo mul 

 tjplis 23 obvi^etj quamiiis tale multipluni 2A fempcr 

 non ^t. 



§. 17. pcrfcqu.ir itaque TheonGmata quacdam liuc 

 Ipciftantja , quae viteriori diuiliirum inquifitioni inlcruirc 



pofTunt. Si in fbrmula -7; — ,r- ( $. VI. ) ftatuamus a—^ , 



<7 — P 



~ o , mutabitur illa in hanc ^ y^ — j cll itaqtw bina- 



rius ad numcmm compofitum quemcunquc n y clcuatus , 

 ct vnitatc minutus fcmper diuifibilis pcr 2'*'— i, vbi in- 

 cLiffcrcns c(t , fiue « fit par , fiuc impar- Si vero in al- 



tcra formiija (§. V.) V ~:~ Ty~ ppnamus tr^d-s, 0z=o, 



mutRtur 



