93 RESIDVA EX DIVIS. POTESTATVM 



formula 

 I 



X — I 





iiumerus cafuum propriorum 



I 



a — I 



g-i 



Y-i 



aa — a~a^a— i) 



ag-a-§4-i =(<*-iXS-i> 



^ge-e=e(g-i) 



ay — a — 'y+ > ~(a— O^Y"" ^^ 

 yy-y— -y^V-») 





a' — aa+a — a+ 1 — I ^ aa(a — i) ' 



aa§-aa4-a-(S- 1 )(§ • i )-a-1^4- 1 :::a(a- i)^g- r-)! 



vnde colligimus, fi fuerit « — a^ S'^ y', pro fbrma— 

 la Ar" — I fore numcrum cafuum propriorum 



.X — 



• fa- ,)e^--(e- i)yv-'(y,_,)^ 



Quae fi attcntius conrerQpIenuir , mox deprcheude- 

 mus pro qualibet formula x"—- i tot dari ca(us pro- 

 prios 5 quot infra exponentem n dantur numeii ad 

 ipfum primi. 



Coro I lc j^ 



35. Diuifore primo exifiente ir P, fi expo- 

 ncns n fumatur — P— i, quia. formula a^^'— ii' 

 certo habet P — i cafus eosque omncs reales , cum 

 X omnes valures ipfo P miriores rccipej-e qiieat ;■ (I 

 inde expungantur ii , qui huic formulae cum Ijm- 

 piicioribus (unc cnmmunos , ca'us proprii ,. qui relin- 

 quantur , omnes certo erunt ccalcs. 



CctoU, 



