THEORUMATIS ANALYTICI. 237 



, d. 0) jc\ v^/' X _ (Pxdd. tPx- vj>'x I (Pa^d- . l);^' \J<- a: _ ^j^^ 

 "T" 1. i d * 1. 2 d X* ' I. 2. I. I dx' 



, rf d. ^ X » \i)' X (P X. d^ !^ X» v j^Vx I g>^.^ 



'T" 1.3. jd** 1.:. 3dx' "*" 



+ r^^^' - «c- 



etc. 

 Si iam in Lemmate noftro §. 11. loco y fubftitua- 

 tiir (P .V et loco z^ v^' x patet fore generatim 



adeoque a pnrte dextra aequationis inuentae , termi- 

 nos qui in iisdem lineis verticalibus collocantur fe 

 mutuo deflruere , adeo \t (olus remaneat terminus 

 priraus \\j x, ex quo iam confequitur efle 



d \ $t' v{/ f 



etc. 



VL Si ftatuatur >4v.v — a*, ideoque \|^ / — ^ 

 et v|>' ; — I , liabcbitnr 



i deoque 



Gg 3 quoii 



