.= (59) === 



DE 



INNVMERIS CVRVIS ALGEBRAICIS, 



QVARVM LONGITVDINEM PER ARCVS PARABO- 

 LICOS METIRI LICET. 



Audore 

 t. EVLERO, 



Conuent. exhib. die 3 lunn 1-76. 



N< 



§. 1. 



on ita pridem aufns fum dno theoremata prorfus me- 

 niorabilia in medium proferre, quorum altero ftatui : nuUam 

 dari ciruam algebrakam^ aiius longitudo indefinita per quempiam 

 logarithmum exprimi queat; altero vero afSrmaui: practer circU" 

 lum nullas aLas dari curuas algebraicas , quarum longitudo cui- 

 piam arcui circulari cjfet acqualis. Veritatem eqnidem iiorum 

 theorematum graniiTim.is rationibus confirmare fum annifns ,* 

 interim tamen fareri cogor, omnes has rationes a folida de- 

 n.onftrjrione , cuiubmodi in Geometria defiderari lolct , adhuc 

 plurimum abefle. 



%. 2. Facile an+^em intel'igir-nr totnm hoc negofinm 

 felici'f mo fncrelni confcdum iri, (i leqnens prob^cn.a re!ohierc 

 liccret: Propofiia formula differ^ntiali quacunque V d .^ -ibi V fa 



H 2 fMuiio 



