Descartes, René, Renati Des-Cartes principia philosophiae

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="87"/>
              ram videmus eſſe mobilius flammâ; nam & alia cor­
                <lb/>
              pora, juxta quae poſita eſt, niſi ſint admodum ſolida
                <lb/>
              &sdura, particulatim diſſolvit, ac ſecum movet. </s>
              <s>Sed
                <lb/>
              tamen ejus motus ſit tantúm ſecundum partes, & tota
                <lb/>
                <arrow.to.target n="marg626"/>
              migrare non ſolet ex uno loco in alium, niſi ab aliquo
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              alio corpore, cui adhaereat, deferatur; quâ ratione
                <lb/>
              poſſumus etiam exiſtimare Solem conſtare quidem ex
                <lb/>
              materiâ valde fluidà & mobili, quá omnes coeli cir­
                <lb/>
              cumjacentis partes ſecum rapit; ſed in hoc nihilomi­
                <lb/>
                <arrow.to.target n="marg627"/>
              nus Stellas fixas imitari, quòd non ex unà coeli regione
                <lb/>
              in aliam migret. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg624"/>
              XXI.
                <lb/>
              Solem inſtar flammae
                <lb/>
              ex materiâ quidem
                <lb/>
              valde mobili conſta­
                <lb/>
              re, ſed non ideò ex
                <lb/>
              uno loco in alium mi­
                <lb/>
              grare. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg625"/>
              30</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg626"/>
              5</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg627"/>
              10</s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg628"/>
                <lb/>
              Neque incongrua videri debet Solis cum flammâ
                <lb/>
              comparatio, ex eo quòd nullam flammam hîc videa­
                <lb/>
              mus quae non continuo egeat alimento; quod idem
                <lb/>
                <arrow.to.target n="marg629"/>
              de Sole non obſervatur. </s>
              <s>Ex legibus enim naturae, non
                <lb/>
              minús flamma, quàm quodvis aliud corpus, ubi ſemel
                <lb/>
              exiſtit, ſemper exiſtere perſeverat, niſt ab aliquâ cauſâ
                <lb/>
              externâ deſtruatur; ſed, quia con:ſtat materiâ quam­
                <lb/>
              maximè fluidà & mobili, aſſidu hic ſupra terram à
                <lb/>
                <arrow.to.target n="marg630"/>
              materiâ circumjacente diſſipatur; atque ideò eget ali­
                <lb/>
              mento, non ut eadem quae jam exiſtit conſervetur, ſed
                <lb/>
              tantúm ut, dum ipſa extinguitur, ſemper alia nova
                <lb/>
              in ejus locum ſubſtituatur. </s>
              <s>Solem autem non ita de­
                <lb/>
              ſtruunt partes coeli ei vicinae, ideòque non ita eget
                <lb/>
                <arrow.to.target n="marg631"/>
              alimento quo reparetur. </s>
              <s>Sed tamen etiam infrà oſten­
                <lb/>
              detur a, novam ſemper materiam in Solem ingredi, &
                <lb/>
              aliam ex eo elabi. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg628"/>
              XXII.
                <lb/>
              Solem à flammâ dif­
                <lb/>
              ferre, quòd non ita
                <lb/>
              egeat alimento. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg629"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg630"/>
              20</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg631"/>
              25</s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg632"/>
                <lb/>
              Hîcque notandum eſt, ſi Sol in ſitu non differat à
                <lb/>
              Fixis, ipſas omnes in unius alicujus ſphaerae circumſe­
                <lb/>
                <arrow.to.target n="marg633"/>
              rentiâ non verſari, quemadmodum multi ſupponunt, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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