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
341 302
342 303
343 304
344 305
345 306
346 307
347 308
348 309
349 310
350 311
351 312
352 313
353 314
354 315
355 316
356 317
357 318
358 319
359 320
360 321
361 322
362 323
363 324
364 325
365 326
366 327
367 328
368 329
369 330
370 331
< >
page |< < (357) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div1054" type="section" level="1" n="335">
          <p style="it">
            <s xml:id="echoid-s12314" xml:space="preserve">
              <pb o="357" file="0395" n="396" rhead="Conicor. Lib. VII."/>
            dratis' ex T S, & </s>
            <s xml:id="echoid-s12315" xml:space="preserve">S Z: </s>
            <s xml:id="echoid-s12316" xml:space="preserve">igitur ſumma duorum quadratorum ex Q P, & </s>
            <s xml:id="echoid-s12317" xml:space="preserve">ex
              <lb/>
            P R minor eſt ſumma quadratorum duorum laterum figuræ cuiuſlibet alterius
              <lb/>
            diametri eiuſdem ellipſis.</s>
            <s xml:id="echoid-s12318" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s12319" xml:space="preserve">In ellipſi reperire diametrum, cuius duo quadrata laterum figuræ eius
              <lb/>
              <note position="right" xlink:label="note-0395-01" xlink:href="note-0395-01a" xml:space="preserve">PROP. 7.
                <lb/>
              Addit</note>
            æqualia ſint quadratis laterum figuræ axis maioris: </s>
            <s xml:id="echoid-s12320" xml:space="preserve">oportet autem Vt
              <lb/>
            quadratum axis maioris A C maius ſit ſemiquadrato ex ſumma laterum
              <lb/>
            C A F figuræ eius.</s>
            <s xml:id="echoid-s12321" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s12322" xml:space="preserve">Quia ex hypotheſi quadratum axis maioris A C maius eſt ſemiquadrato ex
              <lb/>
            ſumma C A F, ergo, vt in nota prop. </s>
            <s xml:id="echoid-s12323" xml:space="preserve">48. </s>
            <s xml:id="echoid-s12324" xml:space="preserve">dictum eſt, duplum quadrati ex A
              <lb/>
            H maius eſt quadrato ex H G; </s>
            <s xml:id="echoid-s12325" xml:space="preserve">fiat duplum rectanguli e H A æquale quadra-
              <lb/>
            to ex G H, & </s>
            <s xml:id="echoid-s12326" xml:space="preserve">lateris C e fiat diameter a b cuius erectus a c. </s>
            <s xml:id="echoid-s12327" xml:space="preserve">Dico hanc eſſe
              <lb/>
            diametrum quæſitam.</s>
            <s xml:id="echoid-s12328" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s12329" xml:space="preserve">Quoniam duplum rectanguli e H A æquale eſt quadrato ex G H, ergo dup-
              <lb/>
            lum e H ad H G eſt vt G H ad H A, eritq; </s>
            <s xml:id="echoid-s12330" xml:space="preserve">duplum rectanguli ex differentia
              <lb/>
              <note position="right" xlink:label="note-0395-02" xlink:href="note-0395-02a" xml:space="preserve">Lem 13.</note>
            ipſarum A H, & </s>
            <s xml:id="echoid-s12331" xml:space="preserve">G e in e H æquale quadratis ex G e, & </s>
            <s xml:id="echoid-s12332" xml:space="preserve">ex e H, & </s>
            <s xml:id="echoid-s12333" xml:space="preserve">ſum-
              <lb/>
              <note position="right" xlink:label="note-0395-03" xlink:href="note-0395-03a" xml:space="preserve">Lem. 15.</note>
            ma quadratorum ex b a, & </s>
            <s xml:id="echoid-s12334" xml:space="preserve">ex a c æqualis erit quadratorum ſummæ ex A C,
              <lb/>
            & </s>
            <s xml:id="echoid-s12335" xml:space="preserve">ex A F, quod erat oſtendendum.</s>
            <s xml:id="echoid-s12336" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s12337" xml:space="preserve">In eadem ellypſi diametrum reperire, cuius duo quadrata laterum
              <lb/>
              <note position="right" xlink:label="note-0395-04" xlink:href="note-0395-04a" xml:space="preserve">PROP.
                <lb/>
              8. Addit.</note>
            figuræ eius æqualia ſint quadratis laterum figuræ datæ diametri I L:
              <lb/>
            </s>
            <s xml:id="echoid-s12338" xml:space="preserve">oportet autem vt I L cadat inter axim, & </s>
            <s xml:id="echoid-s12339" xml:space="preserve">diametrum P Q, cuius
              <lb/>
            quadratum ſubduplum ſit quadrati ex ſumma laterum Q P R.</s>
            <s xml:id="echoid-s12340" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s12341" xml:space="preserve">Sit C E latus diametri I L, & </s>
            <s xml:id="echoid-s12342" xml:space="preserve">fiat duplum V H ad H G, vt G H ad H
              <lb/>
            E, & </s>
            <s xml:id="echoid-s12343" xml:space="preserve">ponatur S T diameter lateris C V, cuius erectus ſit S Z: </s>
            <s xml:id="echoid-s12344" xml:space="preserve">erit igitur
              <lb/>
              <note position="right" xlink:label="note-0395-05" xlink:href="note-0395-05a" xml:space="preserve">Lem. 13.
                <lb/>
              huius.</note>
            duplum rectanguli ex differentia ipſarum E H, & </s>
            <s xml:id="echoid-s12345" xml:space="preserve">G V in V H æquale qua-
              <lb/>
              <note position="right" xlink:label="note-0395-06" xlink:href="note-0395-06a" xml:space="preserve">Lem. 15.
                <lb/>
              huius.</note>
            dratis ex G V, & </s>
            <s xml:id="echoid-s12346" xml:space="preserve">ex V H, ideoque ſumma quadratorum ex L I, & </s>
            <s xml:id="echoid-s12347" xml:space="preserve">
              <lb/>
            ex I K æqualis erit quadratorum ſummæ ex T S, & </s>
            <s xml:id="echoid-s12348" xml:space="preserve">S Z, quod propoſitum
              <lb/>
            ſuerat.</s>
            <s xml:id="echoid-s12349" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s12350" xml:space="preserve">Colligitur ſimiliter ex 7. </s>
            <s xml:id="echoid-s12351" xml:space="preserve">propoſit. </s>
            <s xml:id="echoid-s12352" xml:space="preserve">additarum, quod in vna ellypſi tres dia-
              <lb/>
            metri reperiri poßunt, quarum ſummæ quadratorum laterum æquales ſint inter
              <lb/>
            ſe: </s>
            <s xml:id="echoid-s12353" xml:space="preserve">& </s>
            <s xml:id="echoid-s12354" xml:space="preserve">ex 8. </s>
            <s xml:id="echoid-s12355" xml:space="preserve">propoſit. </s>
            <s xml:id="echoid-s12356" xml:space="preserve">additarum deducitur, quod quatuor diametrorum eiuſ-
              <lb/>
            dem ellypſis laterum ſummæ quadratorum æquales poſſunt eſſe inter ſe, ſed
              <lb/>
            oportet vt quadratum axis maioris datæ ellypſis maius ſit, quàm dimidium qua-
              <lb/>
            drati ex ſumma laterum figuræ axis C A F.</s>
            <s xml:id="echoid-s12357" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12358" xml:space="preserve">Duo latera figuræ axis tranſuerſi minora ſunt duobus lateribus ſiguræ
              <lb/>
              <note position="left" xlink:label="note-0395-07" xlink:href="note-0395-07a" xml:space="preserve">a</note>
            cæterarum diametrorum, & </s>
            <s xml:id="echoid-s12359" xml:space="preserve">duo latera figuræ diametri axi proximioris
              <lb/>
            minora ſunt duobus lateribus figuræ remotioris, &</s>
            <s xml:id="echoid-s12360" xml:space="preserve">c. </s>
            <s xml:id="echoid-s12361" xml:space="preserve">Addidi ea, quæ defi-
              <lb/>
            cere videbantur in hoc textu.</s>
            <s xml:id="echoid-s12362" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12363" xml:space="preserve">Iiſdem figuris manentibus cum ſuis ſignis oſtendatur quod duplum
              <lb/>
              <note position="left" xlink:label="note-0395-08" xlink:href="note-0395-08a" xml:space="preserve">b</note>
            quadrati A C, ſi non exceſſerit F, quod diameter eſt illius figuræ minor,
              <lb/>
            quàm diameter ſiguræ I L, & </s>
            <s xml:id="echoid-s12364" xml:space="preserve">diameter figuræ I L, quàm diameter figuræ
              <lb/>
            P Q, &</s>
            <s xml:id="echoid-s12365" xml:space="preserve">c. </s>
            <s xml:id="echoid-s12366" xml:space="preserve">Legendum puto vt in textu apparet.</s>
            <s xml:id="echoid-s12367" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12368" xml:space="preserve">Et ſic oſtendetur quod ſi punctum V inciderit ſuper D A, & </s>
            <s xml:id="echoid-s12369" xml:space="preserve">oſtende-
              <lb/>
              <note position="left" xlink:label="note-0395-09" xlink:href="note-0395-09a" xml:space="preserve">c</note>
            tur D, & </s>
            <s xml:id="echoid-s12370" xml:space="preserve">M, &</s>
            <s xml:id="echoid-s12371" xml:space="preserve">c. </s>
            <s xml:id="echoid-s12372" xml:space="preserve">Legendum puto, vt in textu videre eſt.</s>
            <s xml:id="echoid-s12373" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>