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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[331.] LEMMA XIV.
[332.] LEMMA XV.
[333.] Notæ in Propoſit. XXXXI.
[334.] Notæ in Propoſit. XXXXVII.
[335.] Notæ in Propoſit. XXXXVIII.
[336.] SECTIO DECIMA Continens Propoſit. XXXXIX. XXXXX. & XXXXXI.
[337.] In Sectionem X. Propoſit. XXXXIX. XXXXX. & XXXXXI. LEMMA XVI.
[338.] LEMMA XVII.
[339.] LEMMA XVIII.
[340.] Notæ in Propoſit. XXXXIX.
[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.
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page |< < (393) of 458 > >|
432393Aſſumpt. Liber.& angulus B eſt communis,
497[Figure 497] ergo A G B æqualis eſt an-
gulo C D B recto, ergo A
G eſt perpendicularis ſuper
B C.
Hoc præmiſſo repe-
tamus ex propoſit.
quàm
attulit Archimedes D A,
A B, &
perpendiculares D
C, A I, B F, B I, &
li-
neam D I.
iam ſi B I D
non fuerit linea recta, iun-
gamus B G D rectam, erit
angulus A G B rectus ex
præmiſſa propoſitione, &

498[Figure 498] erat angulus A I B rectus,
ergo internus in triangulo
B I G æqualis eſt oppoſito
externo, &
hoc eſt abſur-
dum, igitur linea B I D
eſt recta.
Deinde attulit
duas propoſitiones ex in-
terpretatione Alkauhi, qua-
rum prima eſt hæc.
SCHOLIVM PRIMVM ALKAVHI.
S I non fuerint duo ſemicirculi tangentes, ſed mutuo ſe ſecantes,
&
perpendicularis fuerit in loco mutuæ ſectionis, idem ſe-
quitur.
Sint itaque ſemicirculi A B C, A D E, F D C, & duo illi ſemicir-
culi ſe mutuo ſecantes in D, &
B G perpendicularis ſuper A C inſiſtat,
499[Figure 499]

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