Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

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      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001682">
                <pb pagenum="219" xlink:href="028/01/259.jpg"/>
              quapræditus erit grauitate ſurſum aſcend
                <gap/>
              t quoniam
                <lb/>
              à centro non modò Terræ, verùm etiam Mundi r
                <gap/>
              ce­
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              det. </s>
              <s id="s.001683">Si dicas mutaturum viam, & petiturum ipſam Ter­
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              ram; ergo ſentiet Mundum mutatum, eo modo, quo
                <lb/>
              ferrum magnetem ſibi circumductum? </s>
              <s id="s.001684">Ergo per quan­
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              dam vim tranſmiſſam, cuius interuentu cum Mundo
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              communicet, ſicque in puro vacuo non ſit: quod eſt
                <lb/>
              contra ſuppoſitionem. </s>
              <s id="s.001685">Si demùm conſtiturum dicas;
                <lb/>
              ergo carebit grauitate, qua & deſcendat per vacuum,
                <lb/>
              & æquabiliter deſcendat. </s>
              <s id="s.001686">Prætereo heic, quæ ad hanc
                <lb/>
              fententiam quaſi conſequenter ediſſerüi, cùm ante
                <lb/>
              duos annos reſcribens ad te, declararem tum grauita­
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              tem non eſſe qualitatem quandam ipſi lapidi inhæren­
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              tem: tum motum illum primum, quo lapis à quiete
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              recedit, quique deinceps acceleratur, non ab huiuſmo­
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              di grauitate, ſed ab ipſa terræ attractione eſſe: tum
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              ſi deinceps talis motus æquabilis perſeueraret, fore, vt
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              primo momento, quo intelligeretur fieri, ſuppoſito
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              eſſe vno horæ minuto, ex ijs quæ decima vocant: vt
                <lb/>
              (inquam) lapis, ſiue per vacuum, ſiue per plenum mo­
                <lb/>
              ueretur, non caderet ex laqueari ad tabulatum (hoc eſt
                <lb/>
              orgyis duabus) ne per annorum quidem quinquagies
                <lb/>
              centena millia, aliaque huiuſmodi. </s>
              <s id="s.001687">Addo heic ſolùm
                <lb/>
              grauitatem, quæ aliquid agat in primo momento,
                <expan abbr="dũ">dum</expan>
                <lb/>
              motum inchoando lapidem adigit deorſum, aut agere
                <lb/>
              etiam aliquid in ſecundo, & conſequentium quolibet,
                <lb/>
              aut nihil. </s>
              <s id="s.001688">Poſterius non dices, quoniam ſecluſo pri­
                <lb/>
              mo momento grauitatem faceres otioſam, ac nullam,
                <lb/>
              & lapis conquieſceret, neque poſſes dicere, quam­
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              obrem ipſi vno momento, non quolibet alio, in quo </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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