Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

List of thumbnails

< >
41
41 (15)
42
42
43
43 (16)
44
44
45
45 (17)
46
46
47
47 (18)
48
48
49
49 (19)
50
50
< >
page |< < of 213 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div82" type="section" level="1" n="33">
          <p style="it">
            <s xml:id="echoid-s1124" xml:space="preserve">
              <pb file="0050" n="50" rhead="ARCHIMEDIS"/>
            nea h m ad li-
              <lb/>
              <figure xlink:label="fig-0050-01" xlink:href="fig-0050-01a" number="30">
                <image file="0050-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0050-01"/>
              </figure>
            neam fc. </s>
            <s xml:id="echoid-s1125" xml:space="preserve">at uero
              <lb/>
            ut h m ad f c, ita
              <lb/>
            o h ad a f: </s>
            <s xml:id="echoid-s1126" xml:space="preserve">& </s>
            <s xml:id="echoid-s1127" xml:space="preserve">ut
              <lb/>
            quadratum h m
              <lb/>
            ad quadratú g l,
              <lb/>
            ita linea h b ad
              <lb/>
            b g; </s>
            <s xml:id="echoid-s1128" xml:space="preserve">hoc est b g
              <lb/>
            ad b f. </s>
            <s xml:id="echoid-s1129" xml:space="preserve">ex quibus
              <lb/>
            ſequitur o h ad
              <lb/>
            a f ita eſſe, ut b g
              <lb/>
            ad b f: </s>
            <s xml:id="echoid-s1130" xml:space="preserve">& </s>
            <s xml:id="echoid-s1131" xml:space="preserve">permu
              <lb/>
            tando oh ad b g,
              <lb/>
            ut a f ad f b. </s>
            <s xml:id="echoid-s1132" xml:space="preserve">ſed
              <lb/>
            eſt a f dupla ip-
              <lb/>
            ſius fb: </s>
            <s xml:id="echoid-s1133" xml:space="preserve">ſunt eni
              <lb/>
            a b, b f æquales
              <lb/>
            ex 35 primi libri
              <lb/>
            conicorum. </s>
            <s xml:id="echoid-s1134" xml:space="preserve">ergo
              <lb/>
            & </s>
            <s xml:id="echoid-s1135" xml:space="preserve">h o ipſius g b
              <lb/>
            eſt dupla. </s>
            <s xml:id="echoid-s1136" xml:space="preserve">quod demonſtrare oportebat.</s>
            <s xml:id="echoid-s1137" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div84" type="section" level="1" n="34">
          <head xml:id="echoid-head39" xml:space="preserve">LEMMA IIII.</head>
          <p style="it">
            <s xml:id="echoid-s1138" xml:space="preserve">Iiſdem manentibus, & </s>
            <s xml:id="echoid-s1139" xml:space="preserve">à puncto m ducta m q uſque
              <lb/>
            ad diametrum, quæ ſectionem in puncto m conting at;
              <lb/>
            </s>
            <s xml:id="echoid-s1140" xml:space="preserve">Dico h q ad q o eandem proportionem habere, quam
              <lb/>
            habet g h ad c n.</s>
            <s xml:id="echoid-s1141" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1142" xml:space="preserve">F_IAT_ enim h r æqualis g f. </s>
            <s xml:id="echoid-s1143" xml:space="preserve">& </s>
            <s xml:id="echoid-s1144" xml:space="preserve">cumtriangula a f c, o p n ſimi
              <lb/>
            lia ſint, & </s>
            <s xml:id="echoid-s1145" xml:space="preserve">p n ſit æqualis f c; </s>
            <s xml:id="echoid-s1146" xml:space="preserve">eodem modo demonſtrabimus p o, f a
              <lb/>
            inter ſe æquales eſſe. </s>
            <s xml:id="echoid-s1147" xml:space="preserve">quare p o ipſius f b dupla erit. </s>
            <s xml:id="echoid-s1148" xml:space="preserve">Sed eſt h o du
              <lb/>
            pla g b. </s>
            <s xml:id="echoid-s1149" xml:space="preserve">ergo & </s>
            <s xml:id="echoid-s1150" xml:space="preserve">reliqua p h reliquæ f g; </s>
            <s xml:id="echoid-s1151" xml:space="preserve">uidelicet ipſius r h eſt </s>
          </p>
        </div>
      </text>
    </echo>