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

Table of contents

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[241.] Notæ in Propoſit. XXVIII.
[242.] LEMMAX.
[243.] SECTIO VNDECIMA Continens Propoſit. XXIX. XXX. & XXXI. PROPOSTIO XXIX.
[244.] PROPOSITIO XXX.
[245.] PROPOSITIO XXXI.
[246.] Notæ in Propoſit. XXIX.
[247.] Notæ in Propoſit. XXX.
[248.] Notæ in Propoſit. XXXI.
[249.] LIBRI SEXTI FINIS.
[250.] DEFINITIONES. I.
[251.] II.
[252.] III.
[253.] IV.
[255.] VI.
[256.] VII.
[257.] VIII.
[258.] NOTÆ.
[259.] SECTIO PRIMA Continens Propoſit. I. V. & XXIII. Apollonij. PROPOSITIO I.
[260.] PROPOSITIO V. & XXIII.
[261.] Notæ in Propoſit. I.
[262.] Notæ in Propoſit. V. & XXIII.
[263.] SECTIO SECVNDA Continens Propoſit. II. III. IV. VI. & VII. Apollonij. PROPOSITIO II. & III.
[264.] PROPOSITIO IV.
[265.] PROPOSITIO VI. & VII.
[266.] Notæ in Propoſit. II. III.
[267.] Notæ in Propoſit. IV.
[268.] Notæ in Propoſit. VI. & VII.
[269.] SECTIO TERTIA Continens Propoſit. Apollonij VIII. IX. X. XI. XV. XIX. XVI. XVIII. XVII. & XX.
[270.] Notæ in Propoſit. VIII.
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page |< < (270) of 458 > >|
308270Apollonij Pergæi Conicor. Lib. VI.
Quoniam circa communem axim D
356[Figure 356] A conſtitui poßunt parabolæ, circulus,
infinitæ
hyperbolæ, &
infinitæ ellipſes
22Prop. 17.
addit
.
huius
.
habentes ſemilatus rectum axis æqualẽ
ſingulari
breuiſecanti D A in ſectione
conica
B A C educto, &
omnes ab-
33Prop. 21.
addit
.
huius
.
ſcindunt coniſectionem B A C in A.
Ergo patet propoſitum.
Nam quælibet coniſectio, cuius ſemie-
rectum
axis minus eſt breuiſecante ſingulari D A intrinſecus tangit ſectionem
44Prop. 18.
addit
.
huius
.
B A C in A, &
ſi ſemierectum maius fuerit eadem D A extrinſecus eandem
ſectionem
B A C continget, neque vnquam ceſſant prædicti contactus extrin-
55Prop. 19.
addit
.
huius
.
ſeci, vel intrinſeci quouſque ſemierectum axis efficitur æquale breuiſecanti D
A
:
at tunc non amplius contingit, ſed ſecat eam in A. Quare patet propoſi-
66Prop. 21.
addit
.
huius
.
tum.

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