Full text: Pergaeus, Apollonius: Apollonii Pergaei Conicorvm Lib. V. VI. VII. paraphraste Abalphato Asphahanensi

250. DEFINITIONES.
I.

SI diuidatur inclinatum ſecundum proportionem
figuræ, aut addatur vni axium ellipſis linea,
earumque differentia, aut aggregatum ad ean-
dem lineam habeat eandem proportionem fi-
guræ: vocabo homologam inclinati PRÆSE-
CTAM.

251. II.

Et homologam erecti INTERCEPTAM.

252. III.

Atque punctum, quod eſt extremum ipſius interceptæ, & dia-
metri: vocabo TERMINVM COMMVNEM.

253. IV.

Reliquum verò TERMINVM DIVIDENTEM.

254. V.

Et differentiam, vel ſummam lateris, & interceptæ: vocabo IN-
TERCEPTAM COMPARATAM.

255. VI.

Differentiam verò, aut ſummam lateris, & præſectę: vocabo
PRÆSECTAM COMPARATAM: hoc autem latus refer-
tur ad diametrum, quæ bifariam diuidit lineam coniungen-
tem verticem ſectionis, & terminum potentis huius lateris:

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