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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[121.] Notæ in Propoſ. LXXVI.
[122.] Notæ in Propoſit. LXXVII.
[123.] COROLLARIVM.
[124.] SECTIO DECIMAQVINTA Continens Propoſ. XXXXI. XXXXII. XXXXIII. Apollonij. PROPOSITIO XXXXI.
[125.] PROPOSITO XXXXII.
[126.] PROPOSITIO XXXXIII.
[127.] Notæ in Propoſ. XXXXI.
[128.] Notæ in Propoſ. XXXXII.
[129.] Notæ in Propoſit. XXXXIII.
[130.] SECTIO DECIMASEXTA Continens XVI. XVII. XVIII. Propoſ. Apollonij.
[131.] Notæ in Propoſit. XVI. XVII. XVIII.
[132.] SECTIO DECIMASEPTIMA Continens XIX. XX. XXI. XXII. XXIII. XXIV. & XXV. Propoſ. Apollonij. PROPOSITIO XIX.
[133.] PROPOSITIO XX. XXI. & XXII.
[134.] PROPOSITIO XXIII. & XXIV.
[135.] PROPOSITIO XXV.
[136.] Notæ in Propoſit. XIX.
[137.] Notæ in Propoſit. XX. XXI. XXII.
[138.] Notæ in Propoſ. XXIII. XXIV.
[139.] Notæ in Propoſ. XXXV.
[140.] SECTIO DECIMAOCTAVA Continens XXXII. XXXIII. XXXIV. XXXV. XXXVI. XXXVII. XXXVIII. XXXIX. XXXX. XXXXVII. XXXXVIII. Propoſit. Apollonij. PROPOSITIO XXXII.
[141.] PROPOSITIO XXXIII. XXXIV.
[142.] PROPOSITIO XXXV.
[143.] PROPOSITIO XXXVI.
[144.] PROPOSITIO XXXVII. XLVI.
[145.] PROPOSITIO XXXVIII.
[146.] PR OPOSITIO XXXIX.
[147.] PROPOSITIO XXXX.
[148.] PROPOSITIO XXXXVII.
[149.] PROPOSITIO XXXXVIII.
[150.] Notæ in Propoſit. XXXII.
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12486Apollonij Pergæi
Quod autem infimus ramus breuiſecans D C non ſit neceſſario minimus om-
nium ramorum cadentium ad peripheriam ſectionis A B, modò oſtendetur.
In coniſectione duos ramos hreuiſecantes, ducere, quorum infimus
11PROB.6.
Addit.
maior ſit ramo ſecante poſito in peripheria à vertice, &
ſuprema bre-
uiſecante compræhenſa:
oportet autem in ellipſi, vt rami ſecantes ad
vnum eius quadrantem ducantur à concurſu, inter axim minorem, &

verticem collocato.
In coniſectione A B C, cuius ver-
106[Figure 106] tex A axis A D, &
in hyperbola,
&
ellipſi centrum E ducatur quæli-
228. 9. 10.
huius.
bet breuiſsima F B:
poſtea ſecetur
F G ex axi, ita vt punctum G non
cadat ſupra verticem A, ſeceturque
F H non maior, quam F G, ducan-
turque rectæ H C, G G parallelæ ipſi
F B occurrentes ſectioni in C, &

G, coniungaturque recta C G ſecans
F B in I:
patet, C I maiorem non
eſſe, quàm I G;
propterea quod G C,
G H à parallelis ſecantur proportio-
naliter;
Deinde ex C ducatur alia
338. 9. 10.
26. 27. 28.
huius.
breuiſsima C K, occurrens B F vl-
tra axim in L, iungaturque ramus
G L:
oſtendendum eſt L C maiorem
eſſe, quàm L G.
Secetur C G bifa-
riam in M, atque per M ducatur ſe-
ctionis diameter M N parallela axi
in parabola, &
per centrum exſten-
ſa in reliquis ſectionibus, occurrens
ſectioni in N, ducaturque O N ſe-
ctionem contingens in N, iungantur-
4433. 34.
lib. 1.
que L M, &
L N, quæ ſecet G C in
P.
Quoniam G I æqualis, aut ma-
ior eſt, quàm I C, cadet punctum
M bipartitæ diuiſionis totius C G,
vel in I, vel inter I, G, &
in vtro-
que caſu punctum N cadet inter G,
&
B (eoquod diameter M N paral-
lela axi in parabola, aut ex centro
E educta in reliquis ſectionibus effi-
cit angulum N M L ad partes ver-
ticis A) &
ideo ramus L N cadens
ſupra duos breuiſecantes L C, L B
ad partes verticis efficit cum

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