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 |< < (299) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div917" type="section" level="1" n="287">
          <p>
            <s xml:id="echoid-s10814" xml:space="preserve">
              <pb o="299" file="0337" n="338" rhead="Conicor. Lib. VII."/>
            differentia duorum laterum figuræ ſui homologi; </s>
            <s xml:id="echoid-s10815" xml:space="preserve">pariterque pro-
              <lb/>
            ximioris axi homologi differentia duorum laterum figuræ eius
              <lb/>
            maior eſt, quàm differentia duorum laterum figuræ remotioris.</s>
            <s xml:id="echoid-s10816" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div919" type="section" level="1" n="288">
          <head xml:id="echoid-head359" xml:space="preserve">PROPOSITIO XXI. & XXVIII.</head>
          <p>
            <s xml:id="echoid-s10817" xml:space="preserve">SIt itaque ſectio A B P, & </s>
            <s xml:id="echoid-s10818" xml:space="preserve">duo axes coniugati eius A C, Q
              <lb/>
            R, centrum D; </s>
            <s xml:id="echoid-s10819" xml:space="preserve">ſintque I L, N O duæ aliæ diametri con-
              <lb/>
            iugatæ; </s>
            <s xml:id="echoid-s10820" xml:space="preserve">pariterque S T, V X, & </s>
            <s xml:id="echoid-s10821" xml:space="preserve">educamus ad axim C A M
              <lb/>
            perpendiculares B E, P M. </s>
            <s xml:id="echoid-s10822" xml:space="preserve">Dico quod ſi fuerit A C æqualis
              <lb/>
            Q R; </s>
            <s xml:id="echoid-s10823" xml:space="preserve">erit quoque I L æqualis ipſi N O, & </s>
            <s xml:id="echoid-s10824" xml:space="preserve">S T ipſi V X. </s>
            <s xml:id="echoid-s10825" xml:space="preserve">Si
              <lb/>
            verò fuerit eorum aliquis reliquo major, vtique eius homologa
              <lb/>
            diameter maior quoque erit ſua coniugata, & </s>
            <s xml:id="echoid-s10826" xml:space="preserve">ſimiliter in reli-
              <lb/>
            quis propoſitionibus.</s>
            <s xml:id="echoid-s10827" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s10828" xml:space="preserve">Sit prius alter axis A C maior in prima figura, ſed Q R in ſecunda;
              <lb/>
            </s>
            <s xml:id="echoid-s10829" xml:space="preserve">ſintque A G, C H duæ interceptæ diametri A C. </s>
            <s xml:id="echoid-s10830" xml:space="preserve">Et quia quadratum
              <lb/>
            A C ad quadratum Q R, nempe A C ad eius erectum eſt vt A H ad H
              <lb/>
            C, ſeu ad A G; </s>
            <s xml:id="echoid-s10831" xml:space="preserve">& </s>
            <s xml:id="echoid-s10832" xml:space="preserve">habet H A ad A G maiorem proportionem in prima
              <lb/>
              <note position="right" xlink:label="note-0337-01" xlink:href="note-0337-01a" xml:space="preserve">ex Def. I.
                <lb/>
              huius.</note>
            figura, & </s>
            <s xml:id="echoid-s10833" xml:space="preserve">minorem in ſecunda, quàm H E ad E G, quæ oſtenſa eſt
              <lb/>
            ( 6. </s>
            <s xml:id="echoid-s10834" xml:space="preserve">7. </s>
            <s xml:id="echoid-s10835" xml:space="preserve">ex 7. </s>
            <s xml:id="echoid-s10836" xml:space="preserve">) vt quadratum I L ad
              <lb/>
              <figure xlink:label="fig-0337-01" xlink:href="fig-0337-01a" number="391">
                <image file="0337-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0337-01"/>
              </figure>
            quadratum N O, nempe I L ad eius
              <lb/>
            erectum. </s>
            <s xml:id="echoid-s10837" xml:space="preserve">Et ſimiliter proportio illa
              <lb/>
            maior, aut minor eſt, quam H M ad
              <lb/>
            M G, quæ eſt vt quadratum S T ad
              <lb/>
            quadratum V X; </s>
            <s xml:id="echoid-s10838" xml:space="preserve">igitur A C ad Q R,
              <lb/>
            ſiue ad erectum ipſius A C in prima
              <lb/>
            maiorem proportionem habet, & </s>
            <s xml:id="echoid-s10839" xml:space="preserve">in
              <lb/>
            ſecunda minorem, quàm I L ad N O,
              <lb/>
            ſiue ad erectum ipſius I L, ſiue quàm
              <lb/>
            S T ad V X, vel ad erectum ipſius
              <lb/>
            S T; </s>
            <s xml:id="echoid-s10840" xml:space="preserve">ſed quia H E ad E G in prima
              <lb/>
            figura maiorem proportionem, & </s>
            <s xml:id="echoid-s10841" xml:space="preserve">in
              <lb/>
            ſecunda minorem, quàm H M ad M
              <lb/>
            G habebit I L ad N O maiorem pro-
              <lb/>
            portionem in prima, & </s>
            <s xml:id="echoid-s10842" xml:space="preserve">minorem in
              <lb/>
            ſecunda, quàm S T ad V X, cum-
              <lb/>
            que H E in prima figura ſit maior, & </s>
            <s xml:id="echoid-s10843" xml:space="preserve">
              <lb/>
            in ſecunda minor, quàm E G, pari-
              <lb/>
            terque H M, quàm M G, erit I L in
              <lb/>
            prima maior, & </s>
            <s xml:id="echoid-s10844" xml:space="preserve">in ſecunda minor,
              <lb/>
            quàm N O, ſimiliterque S T, quàm
              <lb/>
            V X.</s>
            <s xml:id="echoid-s10845" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>