242 DEMO\'SrRATIO SlNGVLARIS 



/ — X— «.V, atqiie riippnnamiis hinc quacri valo- 

 rcni ipdub / .v pcr Ibluin / exprcflfum.. ^uuiiv iu- 

 que fic 



(p X — nx ; Cp ; — ?; ; j \^ (/, .v) — t x 

 ideoque 



\{/ (a, .r) — ax, ^ {a.^t) — at et 4^' (a, /)=:«, 

 hinc habtbitur : 



ax~at-\-nci.t-\-nat-\-ncji.t'^ etc. = p5i._ 

 vndc fubftituto iam ^ iii locuin ipfms a, orictur 



;a= -"- , 



I — rv ' 



\ti per fe quoque pcrfpicuum eft. 



X. Deinde vero et id pracpriinis notari mc- 

 retur , Thcorcma pracfcns multo generalius quoque 

 exprimi poffc. ^7 enim fuppouaiur t — x — P, t^/ 

 P difignat fitt6iwncm i/uanuimqne ambatum variabilium 

 X <?/ t, P' r^ero denoiet eam functionem ipftus t, quae 

 prod.t fi in P loio x fublliinatur t, ati{ue tantisper i; 

 t qui antea ipfi P incrant pcr i' defigneutur , crit 



%|/ A--^|//-i-{'v|,'/+''^:'^'j + ^A-^:Lf* + ^iili^i' 4- ctc. 



d t 



in quibus differentiaiionibus , pro fun^iione F', fola t 

 'vartabiHs babeii dcbit, i' autem pro conjhinie fpiUari^ 

 twn <verQ captif dijJeremialJbus loco \! fubiHiui poterit 

 vbuiue t. Fncile luitcm patet , dcmoiiUrationem 

 fupra (^ 5 ) allatam paucis tantum immutatis huc 

 applican pjffc, Prinuim enim quoJ ad Lcmma no- 

 llrum fundaincnii luco poritum attinct , fi y ocfienet 



iun(flio- 



