= (1=4) 

 Deniqiic cx fccunda clicimus 



r -5 'i) = i_ — LL 



V J^ O y 12, 1) A 



7 



flcquc cx his fcx acquationibus fcx dctcrminationcs fumus 

 adcpti; atquc adco pcr littcias A, B, P ct Q valorcs omnium 

 rcliquarum littcrarum allignauimus. 



§. si. Quoniam igitur hadcnus tantum chiffc tcrtia 

 fumus \(\ , conlidcrcmus ctiam acquationcs fccuudac chillis , 

 quac Aint: 



1°. AQ=:B(2, i); 



2°. A P =B(i, i) et 



3°. P(4, 2)=z(i,2)(3,3); 

 verum fi hic valorcs modo inuentos rubftituamus , acquntioncs 

 incre identicac rcfultant , ita vt hinc nulhi noua dctcrminatio 

 fequatur. Idem vfu venit cx aequationc primac claHis , quac 

 crat (2, i) (3, i) — (ii I) (-1 >)i qii:^c fada (ublUtutionc quo- 

 quc fit idcntica , ita vt diiac priorcs cladcs nihil noui imiol- 

 vant. Ncque tamcn hinc conciudcrc hcet, ctiam in fcqucntibus 

 ordinibu«« chiflcs pracccdcntcs practcrmitti poflc , fiquidcm in 

 ordinc lcqucntc ftatim contrarium fc manifclhibit. 



§. 32. Cum igitur hic ordo complccflatur dcccm for- 

 mubs intcgralcs, carum valorcs pcr (juatuor littcras A, B, P 

 ct Q ordinc ita afpcaui cxponamus: 



1°. (i,i)iiz*-!l; 



2^(1,2) = *^^; 



3°. (i,3) = P; 

 4^ (^4) = Ai 

 5". (2, 2) = Q; 

 6\ (2, 3) = B i 



