Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb xlink:href="039/01/029.jpg"/>
            <p type="main">
              <s>
                <emph type="center"/>
              PHILOSOPHIÆ
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              NATURALIS
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              Principia
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              MATHEMATICA.
                <emph.end type="center"/>
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              DEFINITIONES.
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              </s>
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            <p type="main">
              <s>
                <emph type="center"/>
              DEFINITIO I.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Quantitas Materiæ eſt menſura ejuſdem orta ex illius Denſitate &
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              Magnitudine conjunctim.
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                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>AER, denſitate duplicata, in ſpatio etiam duplicato fit qua­
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              druplus; in triplicato ſextuplus. </s>
              <s>Idem intellige de Nive &
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              Pulveribus per compreſſionem vel liquefactionem conden­
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              ſatis. </s>
              <s>Et par eſt ratio corporum omnium, quæ per cauſas quaſcun­
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              Q.E.D.verſimode condenſantur. </s>
              <s>Medii interea, ſi quod fuerit, in­
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              terſtitia partium libere pervadentis, hic nullam rationem habeo. </s>
              <s>
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              Hanc autem Quantitatem ſub nomine Corporis vel Maſſæ in ſe­
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              quentibus paſſim intelligo. </s>
              <s>Innoteſcit ea per corporis cujuſque
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              Pondus. </s>
              <s>Nam Ponderi proportionalem eſſe reperi per experi­
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              menta Pendulorum accuratiſſime inſtituta, uti poſthac docebitur. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              DEFINITIO II.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Quantitas Motus eſt menſura ejuſdem orta ex Velocitate & Quan­
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              titate Materiæ conjunctim.
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                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Motus totius eſt ſumma motuum in partibus ſingulis; adeoque
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              in corpore duplo majore æquali cum velocitate duplus eſt, & du­
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              pla cum velocitate quadruplus. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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