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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319281Conicor. Lib. VII. conſtructio, quæ deficit in hac propoſitione, vt nimirum ſenſus continuatus ſit
à punctis M, A, I educatur ad axim perpẽdiculares M R, A Q, &
I S ſecãtes
diametros in R, Q, &
S, & A Q, I M ſe mutuò ſecent in K, erit I S
ordinatim ad axim applicata, &
A Q, ſicuti etiam I M contingit ſectionem.
vocat autem Interpres rectam lineam M S, quæ inter tangentem, & ordinatam
interijcitur Contentam, atque D S vocat Inuerſam.
Notæ in Propoſit. VI. & VII.
SI addatur duabus extremitatibus tranſuerſæ, aut inſiſtant ad duas ex-
11a tremitates recti, aut diminuatur à duabus extremitatibus inclinati A,
370[Figure 370]&
C duo intercepta, & c. Expungo verba appoſititia. Aut inſiſtat ad duas
extremitates recti;
quæ ſenſum perturbant.
Educamus I M tangentem, & I S perpendicularem. Et quia A D eſt
22b æqualis D C, &
c. Ideſt Educamus I M contingentem ſectionem in I, quæ
371[Figure 371]

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