Cavalieri, Buonaventura, Geometria indivisibilibvs continvorvm : noua quadam ratione promota

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        <div xml:id="echoid-div711" type="section" level="1" n="418">
          <pb o="297" file="0317" n="317" rhead="LIBER IV."/>
          <p>
            <s xml:id="echoid-s7192" xml:space="preserve">Hoc Problema ſoluetur methodo Propoſ. </s>
            <s xml:id="echoid-s7193" xml:space="preserve">8. </s>
            <s xml:id="echoid-s7194" xml:space="preserve">Lib. </s>
            <s xml:id="echoid-s7195" xml:space="preserve">3. </s>
            <s xml:id="echoid-s7196" xml:space="preserve">propterea circa
              <lb/>
            ipſum non immoror.</s>
            <s xml:id="echoid-s7197" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div712" type="section" level="1" n="419">
          <head xml:id="echoid-head439" xml:space="preserve">THEOREMAIX. PROPOS. X.</head>
          <p>
            <s xml:id="echoid-s7198" xml:space="preserve">SI ad baſim datæ parabolæ ordinatim applicentur vtcun-
              <lb/>
            que rectæ lineæ, triangula ſub ipſis, & </s>
            <s xml:id="echoid-s7199" xml:space="preserve">portionibus baſis
              <lb/>
            abijſdem abſciſſis, erunt vt parallelepipeda ſub baſibus qua-
              <lb/>
            dratis abſciſſarum à baſi, altitudinibus autem reſiduis ipſius
              <lb/>
            baſis demptis abſciſſis.</s>
            <s xml:id="echoid-s7200" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7201" xml:space="preserve">Sit parabola, HGA, cuius baſis, HA, axis, vel diameter, GO,
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            ſint autem ductæ duæ vtcunq; </s>
            <s xml:id="echoid-s7202" xml:space="preserve">ordinatim applicatæ adipſam baſim,
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            HA, ipſæ, ST, VX, & </s>
            <s xml:id="echoid-s7203" xml:space="preserve">iungantur, SH, VH. </s>
            <s xml:id="echoid-s7204" xml:space="preserve">Dico triangulum,
              <lb/>
            VHX, ad triangulum, HST, eſſe vt parallelepipedum ſub altitudi-
              <lb/>
            ne, AX, baſi quadrato, XH, ad parallelepipedum ſub altitudine, A
              <lb/>
            T, baſi quadrato, TH. </s>
            <s xml:id="echoid-s7205" xml:space="preserve">Quoniam enim triangula vnum angulum
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              <figure xlink:label="fig-0317-01" xlink:href="fig-0317-01a" number="211">
                <image file="0317-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/05TCTFNR/figures/0317-01"/>
              </figure>
            vni angulo æqualem habentia ratio-
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              <note position="right" xlink:label="note-0317-01" xlink:href="note-0317-01a" xml:space="preserve">6. Lib. 2.</note>
            nem habent ex ratione laterum illis
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            angulis circumſtãtium compoſitam,
              <lb/>
            ideò triangulum, VHX, ad triangu-
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              <note position="right" xlink:label="note-0317-02" xlink:href="note-0317-02a" xml:space="preserve">3. Huius.</note>
            lum, SHT, habebit rationem com-
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            poſitam ex ea, quam habet, VX, ad,
              <lb/>
            ST, ideſt rectangulum, AXH, ad
              <lb/>
              <note position="right" xlink:label="note-0317-03" xlink:href="note-0317-03a" xml:space="preserve">G. D Cor.
                <lb/>
              4. Gen. 34,
                <lb/>
              lib. 2.</note>
            rectangulum, ATH, & </s>
            <s xml:id="echoid-s7206" xml:space="preserve">ex ea, quam
              <lb/>
            habet, XH, ad, HT, ſed iſtæ duæ
              <lb/>
            rationes componunt rationem paral-
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            lelepipedi ſub altitudine, HX, baſi
              <lb/>
            rectangulo, AXH, ad parallelepi-
              <lb/>
            pedum ſub altitudine, HT, baſi re-
              <lb/>
            ctangulo, HTA, . </s>
            <s xml:id="echoid-s7207" xml:space="preserve">i. </s>
            <s xml:id="echoid-s7208" xml:space="preserve">parallelepipedi
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              <note position="right" xlink:label="note-0317-04" xlink:href="note-0317-04a" xml:space="preserve">Schol. 35.
                <lb/>
              lib. 2.</note>
            ſub altitudine, AX, baſi quadrato, XH, ad parallelepipedum ſub
              <lb/>
            altitudine, AT, baſi quadrato, TH, ergo triangulum, VHX, ad
              <lb/>
            triangulum, SHT, erit vt parallelepipedum ſub altitudine, AX, baſi
              <lb/>
            quadrato, XH, ad parallelepipedum ſub altitudine, AT, baſi qua-
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            drato, TH, quod erat oſtendendum.</s>
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