Descartes, René, Renati Des-Cartes principia philosophiae

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="71"/>
              in motu non impedire ne loca quae ſponte deſe­
                <lb/>
              runt ab aliis occupentur; ſed ea quá quieſcunt, non
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              ſine aliquâ vi ex locis ſuis extrudi poſſe. </s>
              <s>Unde licet
                <lb/>
              colligere, corpora diviſa in multas exiguas particulas,
                <lb/>
                <arrow.to.target n="marg521"/>
              motibus à ſe mutuò diverſis agitatas, eſſe fluida; ea
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              verò, quorum omnes particulae juxta ſe mutuò quieſ­
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              cunt, eſſe dura. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg518"/>
              LIV.
                <lb/>
              Quae ſint corpora du­
                <lb/>
              ra, quae fluida. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg519"/>
              25</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg520"/>
              30</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg521"/>
              5</s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg522"/>
                <lb/>
              Neque profectò ullum glutinum poſſumus excogi­
                <lb/>
              tare, quod particulas durorum corporum firmiús inter
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                <arrow.to.target n="marg523"/>
              ſe conjungat, quàm ipſarum quies. </s>
              <s>Quid enim eſſe
                <lb/>
              poſſet glutinum iſtud ? Non ſubſtantia: quia, cúm par­
                <lb/>
              ticulae iſtae ſint ſubſtantiae, nulla ratio eſt cur per aliam
                <lb/>
              ſubſtantiam potiús quàm per ſe ipſas jungerentur. </s>
              <s>
                <lb/>
              Non etiam eſt modus ullus diverſus à quiete: nullus
                <lb/>
                <arrow.to.target n="marg524"/>
              enim alius magis adverſari poteſt motui, per quem
                <lb/>
              iſtae particulae ſeparentur, quàm ipſarum quies. </s>
              <s>Atque
                <lb/>
              praeter ſubſtantias & earum modos, nullum aliud ge­
                <lb/>
              nus rerum agnoſcimus a. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg522"/>
              LV.
                <lb/>
              Durorum partes nullo
                <lb/>
              alio glutino ſimul
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              jungi, quàm earum
                <lb/>
              quiete. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg523"/>
              10</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg524"/>
              15</s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg525"/>
                <lb/>
              Quantum autem ad fluida, etſi ſenſu non adverta­
                <lb/>
                <arrow.to.target n="marg526"/>
              mus ipſorum particulas moveri, quia ſunt nimis exi­
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              guae facilè tamen ex effectibus id colligitur, praecipuè
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              in ae
                <gap/>
              re & aquâ, ex eo quòd alia multa cor­
                <lb/>
              rumpant. </s>
              <s>Neque enim actio ulla corporea, qualis iſta
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              corruptio eſt, ſine motu locali eſſe poteſt; cauſae
                <lb/>
                <arrow.to.target n="marg527"/>
              ipſorum motûs infrà dicentur b. </s>
              <s>Sed in eo eſt difficul­
                <lb/>
              tas, quòd iſtae fluidorum particulae non poſſint omnes
                <lb/>
              eodem tempore in unamquamque partem ferri; quod
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              tamen requiri videtur, ut non impediant motum cor­
                <lb/>
              porum ex qualibet parte venientium, quemadmodum </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>