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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              <pb o="273" file="0311" n="311" rhead="Conicor. Lib. VII."/>
            ducatur B E perpendicularis ad axim eum ſecans in E, tunc quidem axis ſeg-
              <lb/>
            mentum C E ab oppoſito vertice C ductum, vocat interpres Latus. </s>
            <s xml:id="echoid-s10183" xml:space="preserve">Poſtea ſum-
              <lb/>
            mam in prima ellipſi, & </s>
            <s xml:id="echoid-s10184" xml:space="preserve">differentiam in reliquis figuris lateris C E, & </s>
            <s xml:id="echoid-s10185" xml:space="preserve">inter-
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            ceptæ H C, nimirum ipſam lineam H E, vocat Interceptam comparatam.</s>
            <s xml:id="echoid-s10186" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s10187" xml:space="preserve">VI. </s>
            <s xml:id="echoid-s10188" xml:space="preserve">Et lateris C E, & </s>
            <s xml:id="echoid-s10189" xml:space="preserve">præſectæ G C differentia in tribus prioribus figuris,
              <lb/>
            & </s>
            <s xml:id="echoid-s10190" xml:space="preserve">ſumma in figura quarta, ideſt G E, vocatur Præſecta comparata.</s>
            <s xml:id="echoid-s10191" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s10192" xml:space="preserve">VII. </s>
            <s xml:id="echoid-s10193" xml:space="preserve">Ducantur in ellipſi A B C duæ diametri coniugatæ I L, & </s>
            <s xml:id="echoid-s10194" xml:space="preserve">N O, quæ
              <lb/>
            inter ſe ſint æquales. </s>
            <s xml:id="echoid-s10195" xml:space="preserve">Vel tranſuerſa I L ad eius latus rectum eandem propor-
              <lb/>
            tionem habeat, quàm eius coniugata N O ad ſuum latus rectum; </s>
            <s xml:id="echoid-s10196" xml:space="preserve">tunc quidem
              <lb/>
            vocat pariter diametros coniugatas I L, N O AEquales.</s>
            <s xml:id="echoid-s10197" xml:space="preserve"/>
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          <figure number="358">
            <image file="0311-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0311-01"/>
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        <div xml:id="echoid-div850" type="section" level="1" n="259">
          <head xml:id="echoid-head323" xml:space="preserve">SECTIO PRIMA</head>
          <head xml:id="echoid-head324" xml:space="preserve">Continens Propoſit. I. V. & XXIII.
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          Apollonij.</head>
          <head xml:id="echoid-head325" xml:space="preserve">PROPOSITIO I.</head>
          <p>
            <s xml:id="echoid-s10198" xml:space="preserve">SI in parabola A B à termino
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              <figure xlink:label="fig-0311-02" xlink:href="fig-0311-02a" number="359">
                <image file="0311-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0311-02"/>
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            axis A D educatur recta linea
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            A B ſubtendens ſegmentum @ectionis
              <lb/>
            A B, & </s>
            <s xml:id="echoid-s10199" xml:space="preserve">ab eius termino ducatur B
              <lb/>
            D ad axim perpendicularis; </s>
            <s xml:id="echoid-s10200" xml:space="preserve">vtiquè
              <lb/>
            illa chorda poterit eius abſciſſam D
              <lb/>
            A in aggregatum abſciſſæ, & </s>
            <s xml:id="echoid-s10201" xml:space="preserve">erecti.</s>
            <s xml:id="echoid-s10202" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s10203" xml:space="preserve">Fiat A F æqualis erecto A E. </s>
            <s xml:id="echoid-s10204" xml:space="preserve">Quia
              <lb/>
              <note position="left" xlink:label="note-0311-01" xlink:href="note-0311-01a" xml:space="preserve">a</note>
            quadratum A B eſt æquale quadrato D </s>
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