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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page |< < (199) of 458 > >|
237199Conicor. Lib. VI. dem lineæ perpendiculares ſunt ad præ-
269[Figure 269] dictas chordas, ſuntque etiam diametri
ſectionis, ergo I K, L M, N O ſunt axes,
nec ſibi in directum coincidunt;
quia
chordæ primo eductæ inter ſe parallelæ
non erant:
hoc autem eſt abſurdum,
quia in qualibet ſectione reperiri non
poſſunt plures, quàm duo axes (52.
ex
1148. lib. 2.2.)
; ergo fieri non poteſt, vt ſectionis
conicæ portio ſit arcus circuli.
Quod
erat oſtendendum.
Notæ in Propoſit. XX.
QVodlibet duorum ſegmentorum, vt A B C, D E F in duobus ſeg-
22a mentis ſimilibus, vt N A C, P D F abſciſſa ſint ab ordinatis duo-
rum axium ſectionum, vt A C, D F, N L, P M, A M, A S,
K M ad latus ſuarum verticum vt B, E;
ſitque proportio earum abſciſ-
ſarum ad erecta duorum ſegmentorum eadem, nempe I B ad B G, vt K
E ad E H, &
L B ad B G, vt M E ad E H: vtique duo ſegmenta A B
C, D E F, N B, P E ſimilia ſunt, &
ſimilia poſitione: & c. Textus hic
270[Figure 270] adeo corruptus eſt, vt ne Apollonius quidem, ſi reuiuiſceret, ſenſum ex verbis
tam inconcinnis, &
non coherentibus elicere poſſet. Itaque diuinando eam eſſe
veram lectionem cenſeo;
quàm in textu appoſui.

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