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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[201.] COROLLARIVM I.
[202.] COROLLARIVM II.
[203.] Notæ in Propoſit. XI.
[204.] Notæ in Propoſit. XII.
[205.] Notæ in Propoſit. XIII.
[206.] Notæ in Propoſit. XIV.
[207.] SECTIO QVINTA Continens ſex Propoſitiones Præmiſſas, PROPOSITIO I. II. III. IV. & V.
[208.] PROPOSITIO Præmiſſa VI.
[209.] Notæ in Propoſit. Præmiſſas I. II. III. IV. & V.
[210.] Notæ in Propoſit. Præmiſſ. VI.
[211.] SECTIO SEXTA Continens Propoſit. XV. XVI. & XVII. PROPOSITIO XV.
[212.] PROPOSITIO XVI.
[213.] PROPOSITIO XVII.
[214.] Notæ in Propoſit. XV.
[215.] MONITVM.
[216.] LEMMA VI.
[217.] LEMMA VII.
[218.] LEMMA VIII.
[219.] Notæ in Propoſit. XVI.
[220.] Notæ in Propoſit. XVII.
[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.
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268230Apollonij Pergæi315[Figure 315] inter ſe: hi autem anguli inclinationes ſunt axium conorum ad ſuas baſes; igi-
tur axes A Y, &
D Z æque ſunt inclinati ad ſuas baſes: ſuntque proportiona-
les ad baſium ſemidiametros Y B, &
Z E ( cum triangula A B Y, D E Z ſi-
11Defin. 8.
huius.
milia oſtenſa ſint );
igitur coni A B C, & D E F ſimiles ſunt inter ſe. Quod
erat oſtendendum.
Data parabola Z duos conos ſimiles exhibere, vt idem planum ef-
22PROP.
11.
Addit.
ficiat in eis duas parabolas æquales eidem datæ parabolæ, quæ asympto-
ticæ ſint, &
ſibi ipſis viciniores fiant diſtantia minore quacunque
data.
316[Figure 316]
In quolibet plano fiat angulus I H C æqualis angulo inclinationis diametri,
&
baſis parabolæ Z , & per H C extenſo alio quolibet plano ducatur in eo B H
G perpendicularis ad X H C;
& fiat quodlibet triangulum H G K, & vt qua-
dratum H G ad rectangulum H K G, ita fiat latus rectum parabolæ Z ad

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