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Apollonii Pergaei quae graece exstant cum ... - Wilbourhall.org

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CONICOEUM LIBER II. 217<br />

KA>EZ et AA^AE, ergo EZ <strong>cum</strong> sectione<br />

concurret.<br />

concurrat in M.<br />

iam dico, eam in nullo alio puncto concurrere.<br />

nam si fieri potest, concurrat etiam in iV, et per M,<br />

N rectae FA parallelae ducantur M^, NB. itaque<br />

EMXMS^ENXNB [prop. XII]; quod fieri<br />

non potest. ergo in nullo alio puncto <strong>cum</strong> sectione<br />

concurret.<br />

XIV.<br />

Asymptotae et sectio in infinitum productae semper<br />

uiagis inter se adpropinquant et ad distantiam omni<br />

data distantia minorem perueniant.<br />

sit<br />

hyperbola, cuius asymptotae sint AB, AFy data<br />

autem distantia sit K.<br />

dico, rectas AB, AF sectionem-<br />

» que productas semper magis<br />

inter se adpropinquare<br />

et ad distantiam minorem<br />

quam K peruenturas esse.<br />

ducantur<br />

enim contingenti<br />

parallelae E&Zj<br />

rHJ^ ducaturque AS ei<br />

producatur ad ^. iam quoniam<br />

est [prop. X]<br />

rHxH^ = z&x®E,<br />

erit [Eucl. VI, 16]<br />

AH:Z0 = ®E'. FH<br />

uerum ^H>Z(s>\ itaque etiam [Eucl. V, \4c^E&>TH<br />

iam similiter demonstrabimus, etiam distantias sequentes<br />

minores esse.<br />

iam sumatur EA < K^ et per A rectae ^rparallela

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