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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[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.
[301.] PROPOSITIO XXXIV.
[302.] PROPOSITIO XXXV. & XXXVI.
[303.] In Sectionem VI.
[304.] LEMMA II.
[305.] LEMMA III.
[306.] LEMMA IV.
[307.] LEMMA V.
[308.] Notæ in Propof. XXXIII. & XXXIV.
[309.] Notæ in Propoſit. XXXV.
[310.] SECTIO SEPTIMA Continens Propoſit. XXXVIII. XXXIX. & XXXX. PROPOSITIO XXXVIII.
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314276Apollonij Pergæi
SECTIO SECVNDA
Continens Propoſit. II. III. IV. VI.
& VII. Apollonij.
PROPOSITIO II. & III.
SI in ſectione A B à termino cõmuni A vtriuslibet interceptæ
11a educatur linea recta A B vſq;
ad ſectionem, atquè ab eius
termino B ad axim A E ducatur perpendicularis B E;
erit qua-
dratum A B ad rectangulum contentum à rectis lineis inter per-
pendicularis incidentiam, &
terminos interceptæ, nempe A E
in G E habebit eandem proportionem, quàm habet inclinatus,
ſiuè tranſuerſus A C ad præſectam C G.
362[Figure 362]
Sit itaque A F erectus A C, & ponamus A E in E H æquale quadra-
to B E;
igitur A E in E H ad A E in E C, nempe H E ad E C eſt vt
363[Figure 363]

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