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

0221-01

Sed oportet in ellipſi, vt duo axes ſint ſimul, aut tranſuerſi, aut recti-
ſimul, & c. Addidi verba, quæ videntur in textu deficere. Sed oportet in elli-
pſi, vt duæ diametri, ideòque duo axes ſint ſimul, aut tranſuerſi, aut ſimul re-
cti. Licet enim multoties diametri coniugatæ ellipſium æquales eße poſſint, ni-
hilominus eæ ſumi debent, quæ ad eaſdem partes reſpiciunt axes tranſuerſos,
alias conſtructio, atque demonſtratio non ſequeretur, vt manifeſtum eſt.

215. MONITVM.

PRo intelligentia propoſ. 16. & 17. præmitti debent tria hæc lem-
mata.

216. LEMMA VI.

SI in duobus parabolicis ſegmentis A B C, & D E F baſes A C,
& D F cum diametris G B, & H E æquales angulos G, & H non rectos contineant, atque efficiant abſciſſas G B, & H E dia-
metrorum ad latera recta B I, & E K proportionalia; erunt ſegmenta
ſimilia inter ſe.

Note to user

Dear user,

In response to current developments in the web technology used by the Goobi viewer, the software no longer supports your browser.

Please use one of the following browsers to display this page correctly.

Thank you.

powered by Goobi viewer