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

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            <p type="main">
              <s id="id.000384">
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              intelligatur eſſe debere placidus, atque vniformis,
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              & nihil minùs, quàm ad deſtructionem eius corpo­
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              ris, quod attinet, tendens. </s>
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            <p type="main">
              <s id="id.000385">X. </s>
              <s id="id.000386">Non repeto heic, quemadmodum lapis à
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              vertice mali, dum nauis mouetur, apparenter ſolùm
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              ſecundum perpendiculum cadat, reipſâ verò obliquè
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              per eam, quam deſcripſimus lineam; innüo duntaxat
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              lapidem non ſponte moueri, quia mouetur vi à ma­
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              nu impreſſa ex tranſlatione manus à naui, cui vnà
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              cum malo inſiſtit. </s>
              <s id="id.000387">Atque id quidem ſeu manus in
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              faſtigio mali conſiſtens lapidem dimittat, ſeu lapis
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              ex radice mali projectus, vbi peruenerit ad ſummum,
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              poſteà recidat; vt proinde intelligas poſſe vel ex hoc
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              capite motum lapidis decidentis, recidentiſve dici
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              violentum. </s>
              <s id="id.000388">Dices, cùm hic obliquus motus miſtus,
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              ſeu compoſitus ſit ex perpendiculari, & horizontali;
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              id quidem, quod eſt ex horizontali, exiſtimari poſſe
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              violentum, at quod ex perpendiculari, id ſaltem eſſe
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              naturale. </s>
              <s id="id.000389">Nam quòd lapis quidem ſursùm projectus,
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              & nihilominùs obliquè incedens, ſecundum vtrum­
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              que violentus ſit, videri perſpicuum: quoniam vtriuſ­
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              que cauſa externa, impellenſque eſt, illius nempe
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              ipſa vis nauis, huius verò vis manus propria: at quod
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              deorsùm dimiſſus, & obliquè nihilominùs incedens,
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              ſecundum vtrumque violentus ſit, non poſſe perin­
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              de eſſe in confeſſo: quippe horizontalis quidem cau­
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              ſa ſimiliter externa, impellenſque, vis nauis eſt; ſed
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              perpendicularis cauſa non eſt perinde vis propria
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              manus. </s>
              <s id="id.000390">Quare & neceſſe videri lapidem eo motu
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              moueri ab interno principio: eſſéque proinde eum </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>