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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[Item 1.]
[2.] APOLLONII PERGÆI CONICORVM LIB. V. VI. VII. & ARCHIMEDIS ASVMPTOR VM LIBER.
[3.] APOLLONII PERGÆI CONICORVM LIB. V. VI. VII. PARAPHRASTE ABALPHATO ASPHAHANENSI
[4.] ADDITVS IN CALCE ARCHIMEDIS ASSVMPTORVM LIBER, EX CODICIBVS ARABICIS M.SS. SERENISSIMI MAGNI DVCIS ETRVRIÆ ABRAHAMVS ECCHELLENSIS MARONITA
[5.] IO: ALFONSVS BORELLVS
[6.] AD SERENISSIMVM COSMVM III. ETRVRIÆ PRINCIPEM FLORENTIÆ, Ex Typographia Ioſephi Cocchini ad inſigne Stellæ MDCLXI. SVPERIORVM PERMISSV.
[7.] COSMVM TERTIVM ETRVRIÆ PRINCIPEM. 10: AL FONSVS BORELLIVS F.
[8.] CAVE CHRISTIANE LECTOR.
[9.] IN NOMINE DEI MISERICORDIS MISERATORIS. PROOE MIVM ABALPHATHI FILII MAHMVDI, FILII ALCASEMI, FILII ALPHADHALI ASPHAHANENSIS. LAVS DEO VTRIVSQVE SECVLI DOMINO.
[10.] ABRAHAMI ECCHELLENSIS IN LATINAM EX ARABICIS Librorum Apollonij Pergæi verſionem PRÆFATIO.
[11.] PRÆFATIO AD LECTOREM.
[12.] INDEX
[13.] APOLLONII PERGAEI CONICORVM LIB. V. DEFINITIONES. I.
[14.] II.
[15.] III.
[16.] IV.
[17.] V.
[18.] VI.
[19.] VII.
[20.] VIII.
[21.] IX.
[22.] X.
[23.] XI.
[24.] XII.
[25.] XIII.
[26.] XIV.
[27.] XV.
[28.] XIV.
[29.] NOTÆ.
[30.] SECTIO PRIMA Continens propoſitiones I. II. & III. Apollonij. PROPOSITIO I.
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468Apollonij Pergæi minimo remotiore minor eſt. Quadratum autem menſuræ mi-
nus eſt quadrato cuiuslibet rami aſſignati (4) in parabola qui-
dem quadrato ſuæ abſciſſæ (5) &
in hyperbola (6) & ellipſi
exemplari applicato ad abſciſſam illius rami.
PROPOSITIO IV.
SIt ſectio A B C, & axis eius C E, & inclinatus, ſiue tranſuerſa D C
centrum G, atque erectum C F, &
ex C E ſecetur C I æqualis C H
13[Figure 13] (quæ ſit ſemiſſis erecti) &
ex puncto
originis I educantur rami I B perpen-
dicularis, &
I K, I L, I A, & per H, I
in hyperbola, &
ellipſi ducatur H I P,
&
per H, G recta H G T, ad quam ex
A, B, K, L extendantur A P E T, B I S,
K N R, L M O Q perpendiculares ſuper
C E.
Dico, quod C I, comparata mi-
nor eſt, quam I L, &

I L, quam I K, &
I K,
quam I B, &
maximus
ramorum in ellipſi eſt
I D, &
quod quadra-
tum menſuræ I C mi-
nus eſt quadrato I L,
in parabola quidem
quadrato C M, &
in
hyperbola, &
ellipſi
exemplari applicato
ad C M.
Quoniam in
parabola L M poteſt
11a duplum M C in C H, nempè C I (12.
ex primo) & quadratum I L ęqua-
le eſt aggregato duorum quadratorum L M, &
M I, quadratum itaque L
I æquale eſt quadrato M I, &
M C in C I bis, quæ ſunt æqualia duobus
quadratis C I, M C.
Quadratum igitur C I minus eſt quadrato L I qua-
drato ipſius M C, quæ eſt eius abſciſſa, &
pariter oſtendetur, quod qua-
dratum C I minus eſt quadrato I K quadrato N C, &
minus quadrato I
B quadrato C I, &
minus quadrato A I quadrato E C.
PROPOSITIO V. & VI.
AT verò in hyperbola, & ellipſi producantur ex Q, O, H lineæ pa-
rallelæ ipſi M C, &
quia I C ex hypotheſi æqualis eſt H C, erit I
22a M æqualis M O, quadratum itaque I M duplum eſt trianguli I M O, &

33b quadratum L M duplum eſt trapezij C M Q H (prima ex 5.)
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