Gassendi, Pierre, De motu impresso a motore translato epistulae duae, 1642

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          <chap>
            <p type="main">
              <s id="id.000320">
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              vircis in idem mobile; ea proportione, qua tempus,
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              breuius quidem eſt temporibus ſeorſim ſumptis; ſed
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              illis tamen æquiualet, propter coniunctas in eo­
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              dem mobili velocitates. </s>
            </p>
            <p type="main">
              <s id="id.000321">Elicio
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              quartò,
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              Tempus, quo lapis aſcendit, eſſe
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              æquale tempori, quo deſcendit. </s>
              <s id="id.000322">Quippe cùm ma­
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              lus æquali curſu progrediatur, ſeu æqualibus tempo­
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              ribus æqualia ſpatia conficiat; & lapis non magis in
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              aſcenſu, quàm in exſcenſu illum deſerat, aut ad eum
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              accedat, ſed perinde ſemper reſpectu illius ſe habeat:
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              neceſſe eſt tantundem temporis in aſcenſu, quantùm
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              in exſcenſu conſumi; ſicque lapidem nec ſegniùs,
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              nec tardiùs ex G peruenire ad B, quàm ex B peruenit
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              ad H. </s>
              <s id="id.000323">Nempe vt ſpatium ex G in A, quod pes mali
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              peruadit aſcendente lapide, æquale eſt ſpatio ex A
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              in H, quod idem peruadit lapide deſcendente. </s>
            </p>
            <p type="main">
              <s id="id.000324">Elicio
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              quintò,
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              Velocitatem motus eadem propor­
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              tione reciprocè accepta aſcendendo decreſcere, qua
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              deſcendendo increſcit; ita vt tam initio aſus,
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              quàm in fine deſcenſus ſit maxima; in fine aſcenſus,
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              & initio deſcenſus, minima, & in mediis proportione
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              ſpatiis, medio proportione modo ſe habeat. </s>
              <s id="id.000325">Quippe,
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              cùm in ea proportione, qua lapis deſcendit, ſit in ea­
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              dem ſemper diſtantia à malo, conſtat: ſi malo ea­
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              dem æquabilitate tranſlato, dum lapis aſcendit, ipſe
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              lapis non tueretur proportionem expoſitam, adeò
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              vt celerius, aut tardiùs moueretur alicubi in pari al­
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              titudine; conſtat, inquam, fore vt lapis non eandem
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              ſimiliter tueretur diſtantiam, ſed magis ad malum ac­
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              cederet, vel ab illo deſereretur, quod tamen non </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>