CFIFSQVE ORDINIS CONIECTJTIO. 2^7 

 ■(\/A 3 B^ -h yA.^ C^-\-l'B^C^z=ip^ ^^pxVy-i^^^Yyi 



j VA'= B' ^-yA' c^+yB^ c ^ -p'-sp '.vyy-i-^^n^? 



^ ^-5/?,v2yy2~5xyy3 



Qiiemadmodum haec tabula fit vlterius continuanda fa- 

 cile perfpicitur. Namque eft yA^^-i-yB^^-l-y C™ 

 :=.v(yA^-' -\- yB™"' _{-yC™-' )-_^(yA'"--Hl 

 yB^^-^^H-y c^-^^-f-y y. (yA'"-^ -4- y B"'-^ 

 VC^^-s]. Atque T/A^^B^^-hyA^^C^-i-y ^'"C'"^!^ 



( VA '^- ' B™- ' -4-y A"'- ' c*- ' -f-y B'"- ' C"- ' )-.v y y , 



(yA'^-2B"'-2-|-yA'™-*C'"--H-TB'"--C'^-2^-i-y7^ 

 §. 16". Alias etiam harum progrefrioniim nc.n con-= 



m 



temneudas obferuaui proprietates. Pofito enim V A 



Ff 2 H- 



