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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[341.] Notæ in Propoſit. XXXXX.
[342.] Notæ in Propoſit. XXXXXI.
[343.] SECTIO VNDECIMA Continens Propoſit. XXXII. & XXXI. Apollonij.
[344.] Notæ in Propoſit. XXXI. & XXXII.
[345.] LIBRI SEPTIMI FINIS.
[346.] LIBER ASSVMPTORVM INTERPRETE THEBIT BEN-KORA EXPONENTE AL MOCHT ASSO Ex Codice Arabico manuſcripto SERENISS. MAGNI DV CIS ETRVRIÆ, ABRAHAMVS ECCHELLENSIS Latinè vertit. IO: ALFONSVS BORELLVS Notis Illuſtrauit.
[347.] Præfatio ad Lectorem.
[348.] MISERICORDIS MISERATORIS CVIVS OPEM IMPLORAMVS. LIBER ASSVMPTORVM ARCHIMEDIS, INTERPRETE THEBIT BEN-KORA, Et exponente Doctore ALMOCHTASSO ABILHASAN, Halì Ben-Ahmad Noſuenſi. PROPOSITIONES SEXDECIM.
[349.] PROPOSITIO I.
[350.] SCHOLIVM ALMOCHTASSO.
[351.] Notæ in Propoſit. I.
[352.] PROPOSITIO II.
[353.] SCHOLIVM ALMOCHTASSO.
[354.] Notæ in Propoſ. II.
[355.] PROPOSITIO III.
[356.] Notæ in Propoſit. III.
[357.] PROPOSITIO IV.
[358.] Notæ in Propoſit. IV.
[359.] PROPOSITIO V.
[360.] SCHOLIVM ALMOCHTASSO.
[361.] SCHOLIVM PRIMVM ALKAVHI.
[362.] SCHOLIVM SECVNDVM ALKAVHI.
[363.] Notæ in Propoſit. V.
[364.] PROPOSITIO VI.
[365.] Notæ in Propoſit. VI.
[366.] PROPOSITIO VII.
[367.] SCHOLIVM ALMOCHTASSO.
[368.] PROPOSITIO VIII.
[369.] SCHOLIVM ALMOCHTASSO.
[370.] Notæ in Propoſit. VIII.
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445406Archimedis lelæ, & quia B I æqualis eſt I A, erit B H æqualis ipſi H E, & pro-
pter earum æqualitatem, &
quia B F eſt parallela ipſi H G, erit F G
æqualis ipſi G E, &
ex G C, G D æqualibus remanent F C, E D æqua-
les.
Et hoc eſt quod voluimus.
PROPOSITIO XIV.
SI fuerit A B ſemicirculus, & ex eius diametro A B diſſectæ
ſint A C, B D æquales, &
efficiantur ſuper lineas A C,
C D, D B ſemicirculi;
& ſit centrum duorum ſemicirculorum
A B, C D punctum E, &
ſit E F perpendicularis ſuper A B,
&
producatur ad G: vtique circulus, cuius diameter eſt F G
æqualis eſt ſuperficiei contentæ à ſemicirculo maiori, &
à duo-
bus ſemicirculis qui ſunt intra illum, &
à ſemicirculo medio qui
eſt extra illum, &
eſt figura, quam vocat Archimedes Salinon.
520[Figure 520]
Quia D C bifariam ſecatur in E, & addita eſt illi C A, erunt duo
quadrata D A, C A dupla duorum quadratorum D E, E A, ſed F G
æqualis eſt ipſi D A, ergo duo quadrata F G, A C dupla ſunt duorum
quadratorum D E, E A:
& quia A B dupla eſt A E, & C D dupla.
quoque E D, erunt duo quadrata A B, D C quadrupla duorum qua-
dratorum D E, E A, immo dupla duorum quadratorum G F, A C ſi-
militer etiam duo circuli, quorum diametri ſunt A B, D C dupli ſunt
eorum, quorum diametri ſunt G F, A C, &
dimidij eorum, quorum,
diametri ſunt A B, C D æquales duobus circulis, quorum diametri ſunt
G F, A C, ſed circulus, cuius diameter A C, eſt æqualis duobus

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