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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[271.] Notæ in Propoſit. IX.
[272.] Notæ in Propoſit. X.
[273.] Notæ in Propoſit. XI.
[274.] Notæ in Propoſit. XV.
[275.] Notæ in Propoſit. XIX.
[276.] Notæ in Propoſit. XVI.
[277.] Notæ in Propoſit. XVIII.
[278.] Notæ in Propoſit. XVII.
[279.] Notæ in Propoſit. XX.
[280.] SECTIO QVARTA Continens Propoſit. Apollonij XII. XIII. XXIX. XVII. XXII. XXX. XIV. & XXV.
[281.] Notæ in Propoſit. XII.
[282.] Notæ in Propoſit. XIII.
[283.] Notæ in Propoſit. XXIX.
[284.] Notæ in Propoſit. XXX.
[285.] Notæ in Propoſit. XIV. & XXV.
[286.] Notæ in Propoſit. XXVII.
[287.] SECTIO QVINTA Continens Propoſit. XXI. XXVIII. XXXXII. XXXXIII. XXIV. & XXXVII.
[288.] PROPOSITIO XXI. & XXVIII.
[289.] PROPOSITIO XXVI
[290.] PROPOSITIO XXXXII.
[291.] PROPOSITIO XXXXIII.
[292.] PROPOSITIO XXIV.
[293.] PROPOSITIO XXXVII.
[294.] Notę in Propoſit. XXVIII.
[295.] LEMMA. I.
[296.] Notę in Propoſit. XXI.
[297.] Notę in Propoſit. XXXXII.
[298.] Notæ in Propoſit. XXXXIII.
[299.] Notæ in Propoſit. XXIV.
[300.] SECTIO SEXTA Continens Propoſit. XXXIII. XXXIV. XXXV. & XXXVI. PROPOSITIO XXXIII.
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244206Apollonij Pergæi ſeu axium (in hoc caſu) L B, & M E ſiguræ ſimiles inter ſe; & ideò ſectiones
11ex 11. 12.
huius.
A B C, &
D E F ſimiles erunt.
Itaque propter ſimilitudinem duorum ſegmẽtorum ſimlia erunt B N L,
22b E O M, &
pariter L B P, & M E Q atque quadratum B P ad L P in P
N nempe, &
c. Huius ſecundæ partis demonſtrationem, quàm non ſinceram Pa-
raphraſtes Arabicus nobis tranſmiſit omittere opere pretium erit, eandemq;
bre-
279[Figure 279] uius demonſtrare hac ratione.
Quia ſegmenta C B G, & F E H ſimilia ponun-
tur;
ergo erunt figuræ diametrorum B I, E K ſimiles inter ſe in angulis I, K
33Lem. 8.
huius.
æqualibus, &
ſectiones ipſæ C B G, & F E H ſimiles inter ſe erunt; quod eſt
44Prop. 15.
huius.
contra hypotheſin.
Notæ in Propoſit. XXIII.
SI enim ſimilia eſſent haberent conditiones ſimilitudinis, quod eſt im-
55a poſſibile, &
c. Si enim concedantur ſegmenta G B C in parabola, & H E
F in hyperbole, vel ellipſi, ſimilia inter ſe;
igitur in vnaquaque earũ duci poſ-
66Defin. 7.
huius.
ſent ad diametros ordinatim applicatæ numero æquales, efficientes angulos æqua-
280[Figure 280]

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