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

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[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.
[251.] II.
[252.] III.
[253.] IV.
[255.] VI.
[256.] VII.
[257.] VIII.
[258.] NOTÆ.
[259.] SECTIO PRIMA Continens Propoſit. I. V. & XXIII. Apollonij. PROPOSITIO I.
[260.] PROPOSITIO V. & XXIII.
[261.] Notæ in Propoſit. I.
[262.] Notæ in Propoſit. V. & XXIII.
[263.] SECTIO SECVNDA Continens Propoſit. II. III. IV. VI. & VII. Apollonij. PROPOSITIO II. & III.
[264.] PROPOSITIO IV.
[265.] PROPOSITIO VI. & VII.
[266.] Notæ in Propoſit. II. III.
[267.] Notæ in Propoſit. IV.
[268.] Notæ in Propoſit. VI. & VII.
[269.] SECTIO TERTIA Continens Propoſit. Apollonij VIII. IX. X. XI. XV. XIX. XVI. XVIII. XVII. & XX.
[270.] Notæ in Propoſit. VIII.
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5517Conicor. Lib. V. egredientium ex I, & inſuper, propinquiores illi minores eſſe remotiori-
bus ramis ex vtraque parte, &
quod quadratum IN minus eſt quadrato
MI (exempli gratia) in parabola quadrato QH, in hyperbola, &
ellipſi
exemplari applicato ad QH.
Quoniam quadratum HN in parabola ęqua-
11c le eſt HI, nempe C G in HC bis (11.
ex primo) erit quadratum IN ęqua-
le IH in HC bis cum quadrato HI;
at ꝗuadratum M Q æquale eſt HI
25[Figure 25] in QC bis (11.
ex primo)
igitur quadratum MI ęqua-
le eſt IH in QC bis cum
quadrato IQ;
hoc autem
22d eſt ęquale duobus quadra-
tis IH, HQ, &
IH in H
Q bis;
igitur quadratum I
M æquale eſt IH in HC
bis cum quadrato IH, quę
ſunt æqualia quadrato NI
vnà cum quadrato HQ.
Quadratum igitur MI ex-
cedit quadratum NI qua-
drato HQ.
Et conſtat quo-
que, quadratum I L exce-
dere quadratum I N quadrato P H;
atque P H maior eſt, quàm Q H,
ergo I L maior eſt, quàm I M, &
I M, quàm N I. Ponamus iam B I
perpendicularem ſuper C I, ergo quadratum B I ęquale eſt I C
in I H bis (11.
ex primo); quadratum igitur I N minus eſt
33e quàm quadratum B I quadrato I H.
Et quia quadra-
44f tum O R ęquale eſt C R in I H bis excedet qua-
dratum I N (quod eſt ęquale quadrato I H,
&
I H in H C bis) duobus quadratis
HI, IR, &
IH in IR bis, nem-
pè quadrato R H;
atquè ſic
conſtat, quadratum.
A I excedere
quadratum I N quadrato D H;
eſtque
D H maior, quàm R H, igitur
I A maior eſt, quàm I O,
&
I O quàm I N. Et
hoc propofitum
fuerat.

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