Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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              <s id="s.002874">
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              Cap. 12. dę
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              vacui neceſ­
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              ſitate.</s>
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            <p type="main">
              <s id="s.002876">SI quis verò recurrat ad poroſitates
                <expan abbr="tabularũ">tabularum</expan>
              aere
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              repletas, vel per quas materia fluida penetran­
                <lb/>
              do præſtò accurrere poſſit ad replendum
                <expan abbr="vacuũ">vacuum</expan>
              cre­
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              atum in inſtanti; refelli poteſt ex eò quòd tabulæ
                <expan abbr="nõ">non</expan>
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              vbique; & vniuersè perforatæ ſunt, alias nullam
                <expan abbr="dẽ-ſitatem">den­
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                ſitatem</expan>
              haberent, & proindè neceſsè eſt, vt habeant
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              aliqua interſtitia ſolida non poroſa, quæ neceſſariò
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              quanta erunt, inter quæ interſtitia ſpatia relicta ina­
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              nia in inſtanti ſeparationis, non poſſunt repleri, niſi
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              in tempore, quia fluidum accurrens motu locali ſuc­
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              ceſſiuo ſpatium quantum pertranſire debet, ergo ne­
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              ceſsè eſt, vt
                <expan abbr="ſaltẽ">ſaltem</expan>
              per aliquod
                <expan abbr="tẽpus">tempus</expan>
              inane remaneat. </s>
            </p>
            <p type="main">
              <s id="s.002877">Et licèt aduerſarij in gratis
                <expan abbr="aſsũpta">aſsumpta</expan>
              hypotheſi
                <expan abbr="per-ſiſtãt">per­
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                ſiſtant</expan>
              dicendo, quod ſemper inter duo corpora ſe tan­
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              gentia fluidum intercedit, ſaltem admittere debent,
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              quod inter duas vitri portiones, quæ vnitæ, & vnum
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              continuum componere
                <expan abbr="aiũt">aiunt</expan>
              , antequam diffringantur,
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                <expan abbr="ſcindãturque">ſcindanturque</expan>
              , neque aer, neque æther intercipiatur;
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              & in tali caſu ratio ſuperiùs adducta euincit in vitri
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              ſciſſura vacuum admitti debere. </s>
              <s id="s.002878">poſtea capi non po­
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              teſt abſque nouo corpore forinſecùs adueniente exi­
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              guam aeris
                <expan abbr="particulã">particulam</expan>
              maius ſpatium occupare poſſe,
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              ſe vndique dilatando
                <expan abbr="cũ">cum</expan>
              rarefit; & licet hoc interim
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              admittatur patet, quod prædicta ampliatio molis il­
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              lius corporis, quod rarefit, ſine motu locali ſucceſſiuò
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              fieri non poſſit, transferuntur enim eius partes ab
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              exiguo, & reſtricto loco ad ampliorem, ergo dilatatio
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              illa rarefactionis neceſſariò in tempore peragi, & ab­
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              ſolui debet, at illud ſpatium inane in
                <expan abbr="inſtãti">inſtanti</expan>
              creatum </s>
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        </body>
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