Descartes, René, Renati Des-Cartes principia philosophiae

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                <pb pagenum="112"/>
              canalis EY valde celeriter agatur circa centrum E,
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              brevi globulus, in eo exiſtens, ab A ad Y perveniet. </s>
              <s>
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              Idemque etiam experimur in fundâ: quò celeriùs enim
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              lapis in eâ rotatur, eâ magis funis intenditur; atque
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              iſta tenſio, à ſolâ vi quà lapis recedere conatur
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              cen­
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              tro ſui motûs exorta, exhibet nobis iſtius vis quanti­
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              tatem. </s>
            </p>
            <p type="margin">
              <s>
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              LIX.
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              Quanta ſit vis iſtius
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              conatûs. </s>
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            <p type="margin">
              <s>
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              15</s>
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              20</s>
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              25</s>
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              30</s>
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              5</s>
            </p>
            <figure id="fig14" number="14"/>
            <p type="main">
              <s>
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              Quod verò hîc de lapide in fundâ, vel de globulo
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              in canali circa centrum E rotato, dictum eſt, facilè in­
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              telligitur eodem modo de omnibus globulis
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              elementi: quòd nempe unuſquiſque ſatis magnâ vi
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              recedere conetur à centro vorticis in quo gyratur:
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              retinetur enim hinc inde ab aliis globulis circumpo­
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              ſitis, non aliter quàm lapis à fundâ. </s>
              <s>Sed praeterea iſta
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              vis in illis multùm augetur, ex eo quòd ſuperiores
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              inferioribus, & omnes ſimul à materiâ primi elementi,
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              in centro cujuſque vorticis congregatâ, premantur. </s>
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              Ac primò quidem, ut accuratè omnia diſtinguantur,
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              de ſolis iſtis globulis hic agemus; nec ad materiam
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              primi elementi magis attendemus, quàm ſi
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              om­
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              nia, quae ab illà occupantur, vacua eſſent, hoc eſt,
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              quàm ſi plena eſſent materià, quae aliorum corporum
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              motus nullo modo juvaret, nec impediret. </s>
              <s>Nullam
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              enim aliam eſſe poſſe ſpatii vacui veram ideam, ex
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              antedictis a eſt manifeſtum.
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              </s>
            </p>
            <p type="margin">
              <s>
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              LX.
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              Hunc conatum reperi­
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              ri in materiâ caelo­
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              rum. </s>
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            <p type="margin">
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              10</s>
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              15</s>
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              20</s>
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              <s>
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              25</s>
            </p>
            <p type="main">
              <s>
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              Cùm globuli omnes qui volvuntur circa S, in vor­
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              tice AEI, conentur recedere ab S, ut iam demonſtra­
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              tum eſt b, ſatis patet illos, qui ſunt in lineà rectà SA,
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              premere ſe mutuò omnes verſùs A; & illos, qui ſunt </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>