Apollonius <Pergaeus>, Apollonii Pergaei Conicorvm Lib. V. VI. VII. paraphraste Abalphato Asphahanensi : nunc primum editi ; additvs in calce Archimedis assvmptorvm liber, ex codibvs arabicis mss Abrahamus Ecchellensis Maronita latinos reddidit, Jo. Alfonsvs Borellvs curam in geometricis versione contulit & [et] notas vberiores in vniuersum opus adiecit

Table of contents

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[221.] SECTIO SEPTIMA Continens Propoſit. XVIII. & XIX.
[222.] Notæ in Propoſit. XVIII. & XIX.
[223.] SECTIO OCTAVA Continens Propoſit. XX. & XXI. Apollonij. PROPOSITIO XX.
[224.] PROPOSITIO XXI.
[225.] PROPOSITIO XXII.
[226.] PROPOSITIO XXIII.
[227.] PROPOSITIO XXIV.
[228.] Notæ in Propoſit. XX.
[229.] Notæ in Propoſit. XXI.
[230.] Notæ in Propoſit. XXII.
[231.] Notæ in Propoſit. XXIII.
[232.] Notæ in Propoſit. XXIV.
[233.] SECTIO NONA Continens Propoſit. XXV.
[234.] Notæ in Propoſit. XXV.
[235.] LEMMA IX.
[236.] SECTIO DECIMA Continens Propoſit. XXVI. XXVII. & XXVIII. PROPOSITIO XXVI.
[237.] PROPOSITIO XXVII.
[238.] PROPOSITIO XXVIII.
[239.] Notæ in Propoſit. XXVI.
[240.] Notæ in Propoſit. XXVII.
[241.] Notæ in Propoſit. XXVIII.
[242.] LEMMAX.
[243.] SECTIO VNDECIMA Continens Propoſit. XXIX. XXX. & XXXI. PROPOSTIO XXIX.
[244.] PROPOSITIO XXX.
[245.] PROPOSITIO XXXI.
[246.] Notæ in Propoſit. XXIX.
[247.] Notæ in Propoſit. XXX.
[248.] Notæ in Propoſit. XXXI.
[249.] LIBRI SEXTI FINIS.
[250.] DEFINITIONES. I.
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page |< < (309) of 458 > >|
348309Conicor. Lib. VII.
Quia C G ad A G, nempe quadratum A C ad ſuam figuram in ma-
11c iori, &
in figura ſecunda ellipſi in minori proportione, & c. Ideſt. In,
409[Figure 409] prima, &
ſecunda figura hyperboles,
&
in prima figura ellipſis habet C G ad
G A maiorem proportionem, quàm ad
G E, eo quod G E maior eſt, quàm G
A:
at in ſecunda figura ellipſis propor-
tio minor eſt;
quia G E minor eſt, quã
A G.
Propoſitum verò aliter oſtendetur
hac ratione.
Quoniam ex demonſtratis in nota
propoſit.
27. in hyperbola, atquè ex
propoſitione 11.
libri quinti in ellipſi
erit axis minor, &
rectus Q R minor
diametro recta N O, &
N O minor
remotiore V X, ideoquè quadratum Q
R minus erit quadrato N O, &
qua-
dratum N O minus quàm quadratum
V X :
eſt verò figura, ſeu rectangulum
C A F ſub extremis contentum ęquale
quadrato Q R ex media proportionali
2215. lib. 1. inter illas deſcriptum:
pariterquè re-
ctangulum L I K ęquale eſt quadrato
diametri ei coniugatę N O, nec non,
rectangulum T S Z ęquale erit qua-
drato V X, ergo rectangulum C A F
minus eſt rectangulo L I K, atque rectangulum L I K minus eſt rectangulo T
410[Figure 410] S Z.
E contra in ellipſi ſecunda. Quia. Q R maior eſt, quàm N O, & hęc
maior, quàm V X ;
ergo rectangulum C A F maius eſt rectangulo L I K, &
hoc maius erit rectangulo T S Z.

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