3d(J DE PRINCIPIIS 



atque eliiis litteris u^ v, w eae ita fe habebunt 



fec. *-r:^(:-f) + </Xe-^l)+iY{|^>) + </Z(ll|) 

 fec. /3^=C-f)+rfX(ii|)+rfY(^P+rfZ(li|) 



vbi loco dXj dYy dZ Yalores ante inuentos per ct^ 

 !§ , y fcribi oportet. 



S c h o 1 i o n. 



Tab. V. III. Transferamus Ivaec ad figuram as , -vbi 



Fig- 23 2 fit id punaum quod modo in z C fig. 3i ) con- 

 fiderauimus , cuius ergo ternae celeritates funt 

 «— (^), i) — {^-^)^ «;i:r(— ), loco pundi autem s^ 

 illi proximi fuccefliue confideremus tria pund:a L , 

 M, N pro qaibus fit ZLira, ZMizig, 2Nz=Y 

 Pro pundo ergo L in Yaloribus fupra pro difFeren- 

 tialibus ^X, ^Y, ^2 inuentis poni debet §-0,^=0 

 pro pundo M , a— o, ynzo et pro purdo N; 

 a— o, Q-~o. Quare puncfti L ternae celeritates 

 erunt fnpra erat 



lec. ux_c^)-f _(j-^j-f if^jTd Y>^lc-aTrz^ ^+^"^1^; 

 fec.XY = (^;+4^>-^)+f.l^-)-vf(l^P^+^^(S) 

 fec. Y2=(^) + f(lA|)+%Y^^)+f i^' \^^dxO 



Punai 



