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="243" file="0281" n="281" rhead="Conicor. Lib. VI."/>
              <figure xlink:label="fig-0281-01" xlink:href="fig-0281-01a" number="327">
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            bent figuræ latera, ſcilicet, quàm habet D B ad B E. </s>
            <s xml:id="echoid-s9112" xml:space="preserve">At quomoao duci de-
              <lb/>
            beat ſubtenſa K L quæ æqualis ſit ipſi D B, & </s>
            <s xml:id="echoid-s9113" xml:space="preserve">parallela alteri F G, oſtendetur
              <lb/>
            inferius.</s>
            <s xml:id="echoid-s9114" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s9115" xml:space="preserve">Et non reperitur in cono H F I alia ſectio hyperbolica ſuper F H, & </s>
            <s xml:id="echoid-s9116" xml:space="preserve">
              <lb/>
              <note position="left" xlink:label="note-0281-01" xlink:href="note-0281-01a" xml:space="preserve">b</note>
            æqualis A B, &</s>
            <s xml:id="echoid-s9117" xml:space="preserve">c. </s>
            <s xml:id="echoid-s9118" xml:space="preserve">Addidi verba quæ ad huius textus integritatem facere vi-
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            debantur.</s>
            <s xml:id="echoid-s9119" xml:space="preserve"/>
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          <p style="it">
            <s xml:id="echoid-s9120" xml:space="preserve">Et educamus T V, K L, quæ ſubtendant duos angulos L F K, I F
              <lb/>
              <note position="left" xlink:label="note-0281-02" xlink:href="note-0281-02a" xml:space="preserve">c</note>
            T, & </s>
            <s xml:id="echoid-s9121" xml:space="preserve">ſint parallelæ ipſis F N, F S, & </s>
            <s xml:id="echoid-s9122" xml:space="preserve">æquales D B, &</s>
            <s xml:id="echoid-s9123" xml:space="preserve">c. </s>
            <s xml:id="echoid-s9124" xml:space="preserve">Quomodo au-
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            tem hoc fieri poſſit modo oſtendemus. </s>
            <s xml:id="echoid-s9125" xml:space="preserve">Sumatur in recta linea H F quodlibet
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            punctum c inter F, & </s>
            <s xml:id="echoid-s9126" xml:space="preserve">H; </s>
            <s xml:id="echoid-s9127" xml:space="preserve">atque à puncto c ducatur recta linea c d parallela
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            ipſi F N, vel F S, quæ ſecet productionem alterius lateris I F in d, & </s>
            <s xml:id="echoid-s9128" xml:space="preserve">quàm
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            proportionem habet c d ad D B, eandem habeat C F ad F L, & </s>
            <s xml:id="echoid-s9129" xml:space="preserve">per punctum
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            L ducatur recta L K parallela ipſi c d. </s>
            <s xml:id="echoid-s9130" xml:space="preserve">Manifeſtum eſt c d ad L K eandem pro-
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            portionem habere, quàm c F ad F L, ſeu quàm c d ad B D; </s>
            <s xml:id="echoid-s9131" xml:space="preserve">& </s>
            <s xml:id="echoid-s9132" xml:space="preserve">ideo K L æ-
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            qualis erit B D, & </s>
            <s xml:id="echoid-s9133" xml:space="preserve">ſubtendit angulum L F K, eſtque parallela ipſi c d, ſeu
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            ipſi F N, vel F S. </s>
            <s xml:id="echoid-s9134" xml:space="preserve">Et hoc erat faciendum.</s>
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