OpUSCULA, 201 
Si formulam idemticam ponas effe 
C c . (p-— v/—- 1 S c. p 
- 5 idem ratiociniu 
Cc-M(p — \/— * Sc .n(p 
^ t .Se. Cc.nq, ^ i^q^ ratiocinium inftituens iiivenies 
Ex his propter ambiguitatem fignorum orientur formulae 
quatuor 
Sh .nG} 
Cc .n(p 
Ch p S h. q» Ch . p — S h . f 
Ch .<p-\- Sb.<(> — • CCh.9 — Sh. 
C c . qt ^ — 1 Sc .(p ~f- C c . ^ — \/ — 1- S c ■ 
C C .(l>-{~ yj — X S c.<p — C C C .(t,— \/ —\ S C ■ 
Sc.nO? — — — . Hae au- 
2 r" ' I 
tem funt illae ipfse , quas jamdiu probatas exhibui , quoties n 
elTet numerus rationalis . Demonftratio autem h^c eas efTe 
veras pariter oftendit , tametfi n fit numerus irrationalis , ac 
furdus . De hac tu judica . Mihi fatis eft tuse morem gelTiire 
yoluntaii . Vale . 
Efc Colh S. Luei($ tertio Kal SsxtlUs i^^o. 
T.V.P.IL Ce VI N-' 
