Baliani, Giovanni Battista, De motv natvrali gravivm solidorvm et liqvidorvm

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb xlink:href="064/01/047.jpg"/>
            <subchap1 n="26" type="proposition">
              <p type="head">
                <s id="s.000331">PROPOSITIO XXVI.</s>
              </p>
              <subchap2 n="26" type="statement">
                <p type="main">
                  <s id="s.000332">Sit in circulo erecto, a puncto inferiori ducan­
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                  tur plana ad puncta peripheriae, & a dictis
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                  punctis descendant gravia super dicta pla­
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                  na eodem tempore quo a puncto supremo
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                  descendit aliud grave perpendiculariter;
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                  pervenient omnia eodem instanti ad di­
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                  ctum punctum inferius.
                    <figure id="id.064.01.047.1.jpg" xlink:href="064/01/047/1.jpg" number="27"/>
                  </s>
                </p>
              </subchap2>
              <subchap2 n="27" type="proof">
                <p type="main">
                  <s id="s.000333">Sit circulus cuius diameter ABC erectus super
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                  plano orizontali, quod tangat in C, & a C
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                  ducantur plana CD, CE, & a punctis, E, D
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                  gravia descendant super dicta plana, nec non,
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                  & a puncto supremo A perpendiculariter.</s>
                </p>
                <p type="main">
                  <s id="s.000334">Dico quod eodem tempore perveniunt in C.
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                  </s>
                </p>
                <p type="main">
                  <s id="s.000335">A puncto A ducantur AF, AG paralellae ipsis
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                  CE, CD, & ducantur AF, FC.</s>
                </p>
                <p type="main">
                  <s id="s.000336">Quoniam in triangulis AEC, AFC anguli al­
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                  terni FAC, ACE sint aequales,
                    <arrow.to.target n="marg80"/>
                  , & anguli
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                  </s>
                </p>
              </subchap2>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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