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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
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N A Y F R I A R V M.
Propacares coniscaleni, dem coniresti rectanculi es acucaneuli. pas. 231. prop. 10.
Datoerians aftione conirecti secti per axem, aliud erianculli o pet uXem
exhibetur, quod aderianculum per axem habeat rationem datam.
253. r113.
In cono recto triansula non per axem ducta, quorum bases in eodem puncto se interse
cani, habent perpendiculares ad bases ee vertice ductas, in peripheria circule, cums
diameter est rectaincer centrum basis conica, es punctum inter sectionis interiecta.
235.
12
In conorecto exhibetur trianculum quod per apicem coni es punctum datum sue ex-
era sive intra conibasim transeat, habeat vero ad erianculum per axem datam ra-
tionem.
In cono quocumque sectro basi parallela circulus est.
In conoscaleno exhibetur circulus basi non aequidistans.
Ostenditur in conoscaleno duos axes esse.
LIB ER QV A R F V S.
DeFllipsi.
P A R S P R IM A
Sectionem econdducit primasqe ac essentia les ejus exhibet proprietates.
so cor educitur ellipsis, es prima ejus piopnus demansunt ex
cono, nempe quod quadrata ordinatim applicatarum sint inter se, vt
rectanma super sermentis diametri sectae per ordinarum applicatas. 244.
Ostenditur differentia erellipsim ed circulum.
tiones.
Pr. 1. 2.3.4.
236. pr. 15.
238. pr. 16.
239. pr. 17.
240. pr. 18.
2460
Trem ellipseoscentrum.
Item diamel Koniurata.
Circulus super axe matore cpsco  ua infer ssexterius in duobus
264. pr 40.
it circuluo centro ellip sis descriplus sbul st selat it quatai puraris secabit. 265. PP. 41.
247. in Schol.
248. pr. 5.
248. pr. 6.
249. pr. 8.9.
38. Pr. 10. PaG. 252. pr. 13.
11. 12.
255. pr. 21. 22. 23. Pas. 158. pr. 27.28.
Delineis ductis ex extremitatibus linea ordinatim applicatae concurrentibus in idem
punctum diametri ad quam linea ordinatim erit applicata.
257. pr. 24. 25. 26.
Fllipseos diameter assenatur.
Considerantur ordinatim applicatae.
Latus rectum exhibetur dato axe aut quavis diametro.
De contincentibus ellipsin.
Variae proprietates ortae ex contincente ellipsin, aliisque lineis certa ratione ductis. 259.
Pr. 29. 30. 36.33.34.33. 36. 37.36.39.
tantum punetis occurrit.