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# Title: De Locis Solidis Secunda Divinatio Geometrica (shelfmark Leibn. Marg. 151)
# Folio 161, page id 898203430:0189
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=898203430&page=189
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ORDLHATIONVM COMTC. LINATIBVS LIB. L.
E3(3 CE3 CBE) CB E7 (3, 23 C3, E) C
 tlo
LIBRI PRIML PARS OYINTA
PROPOSTTIO LXXXL
N Parabola. Fines Ordinationis tancentium a Se-
ctione, es axe comprehensarum; est ad LOcum con
cauum Typerbola per eundem verticem sibi circum-
scripeae, o cuius idem sit rectum latus, transuersum
vero sit recti subquadruplum.
TT Parabola ABC, cuius vertex B, axis BD, latIS rectum BF COn-
a tinsenter policum ad B, ee cuius subquadruplum sit B F in directum
cum DB. Dico si per verricem B circa cundem axem BD descripea sIC
FIyperbola EIBI, cujus cransuersum latus sie F B, rectum vero (t idem
BE; huius concauum esse Limitem Ordinacionis proposita: hoc est duct
quacunque AC. Parabolam concinsente vique ad axem de per contactum
A ordinaca AD C, semiordinucam D L in Hyperbola ranserti AC. xqua
lem eAte.
eta DL convenul in L, Lugue LM Lesulatrix l’arabola AB.
Lamm, quuMI reguLaEIX LL L pC perbolXe intra cansentem BF
Temper magis recedar a regulatrice Parabolae P. M erit 2 Hy DetbOla da- a ex 19. pri
ex Parabola circum seripta.
ad ME, VLB a BE hde L.B quadrupla BF ex Aypochell, erit de
LM quadcupla ME, sive ipsus DB, sed est C D dupla ciuldem DB
mi noctra
obbransentem AC, erso M L. dupla est iptius. C. D. rectansulum, er ea B. 35. primi
lyto
Conic.
Tungatur Fyperbola regulatrix F F, _ producatur donec cum produ.
Amplius, quum ob similicudinem triangulorum L. M C, CBP I L M Diuinac. it
eoll