P7 



J. 29. lam pkiribus ambagibus opus non erit ad 

 fequens theorema generaliirimum conftituendum : 



Theorema generaliffimum. 



Si fuerit fVdx~Z, tum femper erit 



^•^ Kdx-^dy^^^dp^^-^dq^^dfdsO 



-f- j/a X ( a-^^^-^^--^z \ 



-^ Kdx^dy^dp^^-^^dq^-^dfds^J 

 •^ \dx'dy^dpydq^-^'df-'dsO 



iVbua ^5?a ^cad. ImjD. ScienL Tom. IX. N SPE- 



