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

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              <s id="s.001671">
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              cium: eo modo, quo agnoſcere non licet corpus ali­
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              quod frigefacere, quando calor eſt ita potentior fri­
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              gore, vt ſolus ipſius effectus ſentiatur. </s>
              <s id="s.001672">Sic non eſt
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              quare iam excuſes non poſſe globum ferreum ex Luna
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              eadentem moueri tam perniciter, quàm prædixeris,
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              ob conditionem medij, cùm reſiſtentia ſit ſemper ipſa
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              impulſione futura minor. </s>
              <s id="s.001673">Et quod ais
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              aërem demùm
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              neque tam celeriter diuidi, neque tam citò rarefieri, &
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              accurrere ad replendum vacuum naturaliter poſſe:
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              idipſum
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              probat non minorem in reſiſtendo,
                <expan abbr="quã">quam</expan>
              in accurren do
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              vim eſſe; cùm & vacuum ex eo metuendum à tergo
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              non ſit, quòd non aër immediate antrorsùm pulſus ille
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              ſit, qui retrorsùm concluditur, verùm ille, qui priùs
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              ad latera pulſus, & à ſuccedente compulſus, eò iam ac­
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              ceſſit. </s>
              <s id="s.001674">Ex his itaque, aliiſque id genus argumentis
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              fieri videtur, vt aër à tergo accurrens minùs poſſit ad
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              compellendum, quàm occurrens à fronte ad reſiſten­
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              dum: aut ſaltem, vt compenſatio fiat, & dici ad ſum­
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              mum valeat, tantum aërem à tergo concluſum ad pel­
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              lendum iuuare, quantum à fronte diuiſum ad proce­
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              dendum reſiſtere. </s>
              <s id="s.001675">Vnde & efficiatur, vt aër non mo­
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              dò non ſola, ſed ne vlla quidem cauſſa ſit accelera­
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              tionis. </s>
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            <p type="main">
              <s id="s.001676">De Grauitate verò, quod ſit qualitas inſita, & ab
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              attractione diſtincta, cuius effectus ſit motus deorsùm,
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              & ille quidem aëre, alióve quovis medio ſecluſo, ſem­
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              per idem, ſimiliſve ſui, aut æquabilis, videtur mihi dici
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              non poſſe. </s>
              <s id="s.001677">Ac vt illa quidem præteream, quæ mox
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              ſunt de aëre, & nomine aëris vniuersè de medio dicta;
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              dicamus igitur de vacuo, in quo ais
                <expan abbr="grauiũ">grauium</expan>
              deſcenſum </s>
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          </chap>
        </body>
      </text>
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