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

Page concordance

< >
Scan Original
291 253
292 254
293 255
294 256
295 257
296 258
297 259
298 260
299 261
300 262
301 263
302 264
303 265
304 266
305 267
306 268
307 269
308 270
309 271
310 272
311 273
312 274
313 275
314 276
315 277
316 278
317 279
318 280
319 281
320 282
< >
page |< < (329) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div996" type="section" level="1" n="316">
          <pb o="329" file="0367" n="368" rhead="Conicor. Lib. VII."/>
          <figure number="436">
            <image file="0367-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0367-01"/>
          </figure>
          <p style="it">
            <s xml:id="echoid-s11595" xml:space="preserve">Et primo rectangulum ſub O D E in E H æquale ſit quadrato D E, ergo
              <lb/>
            ad hæc duo ſpatia æqualia eandem proportionem habebit idem rectangulum ſub
              <lb/>
            E D O in O E, ſed vt rectangulum ſub E D O in O E ad rectangulum ſub E
              <lb/>
            D O in E H, ita eſt O E ad E H, (propterea quod æquales altitudines ha-
              <lb/>
            bent), igitur vt O E ad E H, ita eſt rectangulum ſub E D O in O E ad
              <lb/>
            quadratum D E, & </s>
            <s xml:id="echoid-s11596" xml:space="preserve">componendo O H ad E H, ſiue rectangulum O H A ad
              <lb/>
            rectangulum E H A eandem proportionẽ habebit, quàm rectangulum ſub E D
              <lb/>
            O in O E vna cum quadrato D E, ſeu quàm quadratum D O ad quadratum
              <lb/>
            D E, vel potius vt quadratum ex dupla D O ad quadratum ex dupla D E,
              <lb/>
            nempe vt quadratum ex G O H ad quadratum ex G E H, quare permutando
              <lb/>
            rectangulum O H A ad quadratum ex G O H eandem proportionem habebit,
              <lb/>
            quàm rectangulum ex E H A ad quadratum ex G E H, ſeu vt quadratum ex
              <lb/>
              <note position="right" xlink:label="note-0367-01" xlink:href="note-0367-01a" xml:space="preserve">Prop. 16.
                <lb/>
              huius.
                <lb/>
              Ibidem.</note>
            A C ad quadratum ex C A F, vel ex L I K; </s>
            <s xml:id="echoid-s11597" xml:space="preserve">ſed vt rectangulum A H O ad
              <lb/>
            quadratum ex G O H, ita eſt quadratum ex A C ad quadratum ex Q P R:
              <lb/>
            </s>
            <s xml:id="echoid-s11598" xml:space="preserve">quare idem quadratum A C eandem proportionem habet ad quadratum ex Q P
              <lb/>
            R, quàm ad quadratum ex C A F, vel ex I R L, & </s>
            <s xml:id="echoid-s11599" xml:space="preserve">propterea quadrata ipſa
              <lb/>
            æqualia ſunt, & </s>
            <s xml:id="echoid-s11600" xml:space="preserve">ſumma laterum Q P R æqualis eſt ſummæ laterum C A F,
              <lb/>
            vel I L K.</s>
            <s xml:id="echoid-s11601" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s11602" xml:space="preserve">Secundo ſit rectangulũ ſub E D O in E H maius quadrato D E, tunc quidem
              <lb/>
            idem rectangulum ſub E D O in O E ad rectangulum ſub O D E in E H mi-
              <lb/>
            norem proportionẽ habebit, quàm ad quadratum ex D E, ſeu O E ad E H mi-
              <lb/>
            norem proportionem habebit, quàm ad quadratum ex D E; </s>
            <s xml:id="echoid-s11603" xml:space="preserve">& </s>
            <s xml:id="echoid-s11604" xml:space="preserve">componendo
              <lb/>
            ſumpta eadem altitudine H A, quadruplicando poſtrema quadrata, & </s>
            <s xml:id="echoid-s11605" xml:space="preserve">permu-
              <lb/>
            tando, & </s>
            <s xml:id="echoid-s11606" xml:space="preserve">ex 16. </s>
            <s xml:id="echoid-s11607" xml:space="preserve">huius, idem quadratum A C ad quadratum ex Q P R mi-
              <lb/>
            norem proportionem habebit, quàm ad quadratum ex C A F, vel ex L I K,
              <lb/>
            & </s>
            <s xml:id="echoid-s11608" xml:space="preserve">propterea ſumma Q P R maior erit, quàm C A F, ſeu quàm L I K.</s>
            <s xml:id="echoid-s11609" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s11610" xml:space="preserve">Tertio ſit rectangulum ſub E D O in E H minus quadrato D E, patet quod
              <lb/>
            idem rectangulum ſub E D O in O E ad rectangulum ſub E D O in E H, ſeu
              <lb/>
            O E ad E H maiorem proportionem habet, quàm ad quadratum D E, & </s>
            <s xml:id="echoid-s11611" xml:space="preserve">com-
              <lb/>
            ponendo ductis prioribus terminis in A H, quadruplicando poſtrema </s>
          </p>
        </div>
      </text>
    </echo>