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
101 63
102 64
103 65
104 66
105 67
106 68
107 69
108 70
109 71
110 72
111 73
112 74
113 75
114 76
115 77
116 78
117 79
118 80
119 81
120 82
121 83
122 84
123 85
124 86
125 87
126 88
127 89
128 90
129 91
130 92
< >
page |< < (139) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div515" type="section" level="1" n="169">
          <p>
            <s xml:id="echoid-s5429" xml:space="preserve">
              <pb o="139" file="0177" n="177" rhead="Conicor. Lib. VI."/>
            pespendicularis B E, & </s>
            <s xml:id="echoid-s5430" xml:space="preserve">perficiatur
              <lb/>
            planũ E I. </s>
            <s xml:id="echoid-s5431" xml:space="preserve">Et quia A I, A E æquã-
              <lb/>
              <figure xlink:label="fig-0177-01" xlink:href="fig-0177-01a" number="176">
                <image file="0177-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0177-01"/>
              </figure>
            tur C N, C F, vnaquæque ſuo ho-
              <lb/>
            mologo: </s>
            <s xml:id="echoid-s5432" xml:space="preserve">igitur planum I E, nempe
              <lb/>
              <note position="right" xlink:label="note-0177-01" xlink:href="note-0177-01a" xml:space="preserve">11. lib. 1.
                <lb/>
              Ibidcm.</note>
            (12. </s>
            <s xml:id="echoid-s5433" xml:space="preserve">ex 1.) </s>
            <s xml:id="echoid-s5434" xml:space="preserve">quadratum B E æquale
              <lb/>
            eſt rectangulo F N, nempe quadrato
              <lb/>
            D F (12. </s>
            <s xml:id="echoid-s5435" xml:space="preserve">ex 1.) </s>
            <s xml:id="echoid-s5436" xml:space="preserve">ergo B E æqualis
              <lb/>
            eſt D F; </s>
            <s xml:id="echoid-s5437" xml:space="preserve">ſi autem ſuperponatur axis
              <lb/>
            axi cadet D ſuper B, quæ tamẽhaud
              <lb/>
            cadere conceſſum fuerat: </s>
            <s xml:id="echoid-s5438" xml:space="preserve">& </s>
            <s xml:id="echoid-s5439" xml:space="preserve">hoc eſt
              <lb/>
            abſurdum; </s>
            <s xml:id="echoid-s5440" xml:space="preserve">ergo fieri non poteſt, vt
              <lb/>
            duæ ſectiones æquales non ſint.</s>
            <s xml:id="echoid-s5441" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5442" xml:space="preserve">Præterea ſupponamus duas illas ſe-
              <lb/>
              <note position="left" xlink:label="note-0177-02" xlink:href="note-0177-02a" xml:space="preserve">c</note>
            ctiones æquales eſſe inter ſe, & </s>
            <s xml:id="echoid-s5443" xml:space="preserve">fiat
              <lb/>
            F C æqualis E A, & </s>
            <s xml:id="echoid-s5444" xml:space="preserve">educamus ad
              <lb/>
            axes perpendiculares B E, D F, & </s>
            <s xml:id="echoid-s5445" xml:space="preserve">per-
              <lb/>
            ficiamus plana rectangula F N, E I.
              <lb/>
            </s>
            <s xml:id="echoid-s5446" xml:space="preserve">Quia ſectio A B cadit ſuper ſectionem C D, & </s>
            <s xml:id="echoid-s5447" xml:space="preserve">A E ſuper C F cadet; </s>
            <s xml:id="echoid-s5448" xml:space="preserve">
              <lb/>
            alioquin eſſent in eadem parabola duo axes: </s>
            <s xml:id="echoid-s5449" xml:space="preserve">ergo F cadit ſuper E, & </s>
            <s xml:id="echoid-s5450" xml:space="preserve">D
              <lb/>
            ſuper B, & </s>
            <s xml:id="echoid-s5451" xml:space="preserve">propterea B E potens planum E I (12. </s>
            <s xml:id="echoid-s5452" xml:space="preserve">ex 1.) </s>
            <s xml:id="echoid-s5453" xml:space="preserve">æqualis erit
              <lb/>
              <note position="right" xlink:label="note-0177-03" xlink:href="note-0177-03a" xml:space="preserve">11 lib. 1.</note>
            D F potenti planum F N (12. </s>
            <s xml:id="echoid-s5454" xml:space="preserve">ex 1.)</s>
            <s xml:id="echoid-s5455" xml:space="preserve">; </s>
            <s xml:id="echoid-s5456" xml:space="preserve">ergo duo plana ſunt æqualia; </s>
            <s xml:id="echoid-s5457" xml:space="preserve">ſed
              <lb/>
              <note position="right" xlink:label="note-0177-04" xlink:href="note-0177-04a" xml:space="preserve">Ibidem.</note>
            ſunt applicata ad æquales F C, A E; </s>
            <s xml:id="echoid-s5458" xml:space="preserve">igitur C N, A I erectæ æquales
              <lb/>
              <note position="left" xlink:label="note-0177-05" xlink:href="note-0177-05a" xml:space="preserve">d</note>
            ſunt. </s>
            <s xml:id="echoid-s5459" xml:space="preserve">Et hoc erat oſtendendum.</s>
            <s xml:id="echoid-s5460" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div519" type="section" level="1" n="170">
          <head xml:id="echoid-head224" xml:space="preserve">PROPOSITIO II.</head>
          <p>
            <s xml:id="echoid-s5461" xml:space="preserve">SI duæ ſectiones hyperbolicæ, aut duæ ellipſes A B C, D E
              <lb/>
            F habuerint axium figuras G I, H K ſimiles, & </s>
            <s xml:id="echoid-s5462" xml:space="preserve">æquales;
              <lb/>
            </s>
            <s xml:id="echoid-s5463" xml:space="preserve">duæ illæ ſectiones æquales erunt. </s>
            <s xml:id="echoid-s5464" xml:space="preserve">Si verò duæ ſectiones æquales
              <lb/>
              <note position="left" xlink:label="note-0177-06" xlink:href="note-0177-06a" xml:space="preserve">a</note>
            fuerint, earũ figuræ axiũ erunt æquales, ſimiles, & </s>
            <s xml:id="echoid-s5465" xml:space="preserve">ſimiliter poſitæ.</s>
            <s xml:id="echoid-s5466" xml:space="preserve"/>
          </p>
          <figure number="177">
            <image file="0177-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0177-02"/>
          </figure>
          <figure number="178">
            <image file="0177-03" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0177-03"/>
          </figure>
        </div>
      </text>
    </echo>