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
441 402
442 403
443 404
444 405
445 406
446 407
447 408
448 409
449 410
450 411
451 412
452 413
453 414
454 415
455
456
457
< >
page |< < (82) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div317" type="section" level="1" n="106">
          <pb o="82" file="0120" n="120" rhead="Apollonij Pergæi"/>
        </div>
        <div xml:id="echoid-div325" type="section" level="1" n="107">
          <head xml:id="echoid-head147" xml:space="preserve">Notæ in Propoſ. LXVI.</head>
          <p style="it">
            <s xml:id="echoid-s3429" xml:space="preserve">QVia ſi caderet inter C, D ducipoſ-
              <lb/>
              <figure xlink:label="fig-0120-01" xlink:href="fig-0120-01a" number="100">
                <image file="0120-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0120-01"/>
              </figure>
              <note position="right" xlink:label="note-0120-01" xlink:href="note-0120-01a" xml:space="preserve">a</note>
            ſet, &</s>
            <s xml:id="echoid-s3430" xml:space="preserve">c. </s>
            <s xml:id="echoid-s3431" xml:space="preserve">Quotieſcumq; </s>
            <s xml:id="echoid-s3432" xml:space="preserve">enim perpen-
              <lb/>
            dicularis E F cadit ſuper centrũ
              <lb/>
            D, vel ſecat ſemiaxim D C inter D, & </s>
            <s xml:id="echoid-s3433" xml:space="preserve">C, tũc
              <lb/>
            ex concurſu E vnicus ramus breuiſecans du-
              <lb/>
            ci poteſt ad ſectionem B A, qui nimirum ca-
              <lb/>
              <note position="left" xlink:label="note-0120-02" xlink:href="note-0120-02a" xml:space="preserve">45. 56.
                <lb/>
              huius.</note>
            dit inter verticem remotiorem A, & </s>
            <s xml:id="echoid-s3434" xml:space="preserve">axim
              <lb/>
            minorem D B: </s>
            <s xml:id="echoid-s3435" xml:space="preserve">ſed ex hypotheſi nullus ra-
              <lb/>
            mus ex concurſu E ad quadrantem ellipſis A
              <lb/>
            B duci poteſt, qui ſit breuiſecans; </s>
            <s xml:id="echoid-s3436" xml:space="preserve">igitur per-
              <lb/>
            pendicularis E F ſecat ſemiaxim A D in
              <lb/>
            puncto F poſito inter A, & </s>
            <s xml:id="echoid-s3437" xml:space="preserve">D.</s>
            <s xml:id="echoid-s3438" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s3439" xml:space="preserve">Deinde patet, quemadmodum demon-
              <lb/>
            ſtrauimus in vtraque hyperbola, &</s>
            <s xml:id="echoid-s3440" xml:space="preserve">c. </s>
            <s xml:id="echoid-s3441" xml:space="preserve">Permuto particulam [vtraque] vt
              <lb/>
            manifeſtè erroneam, legi enim debet in parabola, & </s>
            <s xml:id="echoid-s3442" xml:space="preserve">hyperbola. </s>
            <s xml:id="echoid-s3443" xml:space="preserve">Quod vero ra-
              <lb/>
            mus terminatus E A minimus ſit omnium ramorum ſecantium manifeſtum eſt
              <lb/>
            ex demonſtratione propoſitionis 64. </s>
            <s xml:id="echoid-s3444" xml:space="preserve">65.</s>
            <s xml:id="echoid-s3445" xml:space="preserve">, quæ compræhendit etiam ellipſim,
              <lb/>
            quando menſura F A minor eſt ſemiaxi A D, vt ex propoſitione 52. </s>
            <s xml:id="echoid-s3446" xml:space="preserve">patet. </s>
            <s xml:id="echoid-s3447" xml:space="preserve">Et ſi-
              <lb/>
            militer ramorũ ſecantium ex concurſu E ad ſectionem A B ductorum propinquio-
              <lb/>
            res vertici A minores ſunt remotioribus ex eadem demonſtratione 64. </s>
            <s xml:id="echoid-s3448" xml:space="preserve">65. </s>
            <s xml:id="echoid-s3449" xml:space="preserve">huius.</s>
            <s xml:id="echoid-s3450" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div327" type="section" level="1" n="108">
          <head xml:id="echoid-head148" style="it" xml:space="preserve">Ex demonſtratione præmiſſa propoſitionum 64. & 65.
            <lb/>
          deduci poteſt conſectarium, à quo notæ ſubſe-
            <lb/>
          quentes breuiores reddantur.</head>
          <head xml:id="echoid-head149" xml:space="preserve">COROLLARIVM PROPOSIT.
            <lb/>
          LXIV. & LXV.</head>
          <p style="it">
            <s xml:id="echoid-s3451" xml:space="preserve">SI in aliqua peripheria cuiuslibet coniſectio-
              <lb/>
              <figure xlink:label="fig-0120-02" xlink:href="fig-0120-02a" number="101">
                <image file="0120-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0120-02"/>
              </figure>
            nis omnes rami ſecantes, qui à concurſu
              <lb/>
            duci poſſunt, cum tangentibus ab eorum ter-
              <lb/>
            minis ductis conſtituunt angulos, qui verti-
              <lb/>
            cem reſpiciunt, acutos; </s>
            <s xml:id="echoid-s3452" xml:space="preserve">rami proximiores ver-
              <lb/>
            tici ſectionis minores erunt remotioribus.</s>
            <s xml:id="echoid-s3453" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s3454" xml:space="preserve">Ex eo enim, quod ïn propoſitionibus 64. </s>
            <s xml:id="echoid-s3455" xml:space="preserve">& </s>
            <s xml:id="echoid-s3456" xml:space="preserve">
              <lb/>
            65.</s>
            <s xml:id="echoid-s3457" xml:space="preserve">, omnes rami D A, D L, D B, D Q, D
              <lb/>
            C, & </s>
            <s xml:id="echoid-s3458" xml:space="preserve">reliqui omnes, qui duci poſſunt ex con-
              <lb/>
            curſu D ad ſectionem A B C efficiunt cum
              <lb/>
            tangentibus ſectionẽ à terminis A, L, B, Q, C
              <lb/>
            angulos, verticem A reſpicientes, acutos, </s>
          </p>
        </div>
      </text>
    </echo>