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

Table of figures

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        <body>
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            <p type="main">
              <s id="s.001058">
                <pb pagenum="204" xlink:href="010/01/212.jpg"/>
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                <lb/>
              que lignum ſursùm aſcendit in aqua ſemper verifi­
                <lb/>
              catur id minùs grauitare, quàm moles aquæ
                <expan abbr="ambiẽ-tis">ambien­
                  <lb/>
                tis</expan>
              ei æqualis, quæ ſi liberè fluere, & excurrere po­
                <lb/>
              teſt infra eius baſim, ſcilicèt ſi exercere poteſt ex­
                <lb/>
              ceſſum ſui ponderis, mirum non eſt eleuare corpus
                <lb/>
              minoris grauitatis, ſicuti in libra videmus minus
                <expan abbr="põ-dus">pon­
                  <lb/>
                dus</expan>
              à maiori ſubleuari, quotieſcumque tamen pon­
                <lb/>
              dus maius liberè vim ſuam exercere poteſt, at ſi fue­
                <lb/>
              rit ſubſtentatum, vel fulciatur à pauimento pondus
                <lb/>
              minus eleuare non poterit. </s>
              <s id="s.001059">Huiuſmodi cauſa, quæ
                <lb/>
              certa eſt, & neceſſariò operari debet iuxtà leges me­
                <lb/>
              chanices,
                <expan abbr="numquã">numquam</expan>
              poteſt, nec debet excludi, vt ac­
                <lb/>
              ceptetur imaginata cauſa leuitatis poſitiuæ, quæ ſi
                <lb/>
              adeſſet, ſuum
                <expan abbr="effectũ">effectum</expan>
              producere deberet in caſu pro­
                <lb/>
              poſitionis 97. vbi nil prorsùs operari oſtenſum eſt,
                <lb/>
              tamquàm ſcilicèt ſi non eſſet. </s>
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            <p type="margin">
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              Cauſa hallu­
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              cinationiſ de­
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              tegitur.</s>
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            <p type="margin">
              <s id="s.001061">
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              Cap. 4. poſi­
                <lb/>
              tiuam leui­
                <lb/>
              tatem noņ
                <lb/>
              dari.</s>
            </p>
            <p type="main">
              <s id="s.001062">Poſtquam igitur examinauimus, & reiecimus ra­
                <lb/>
              tiones omnes Peripateticas
                <expan abbr="cõtra">contra</expan>
              Platonem, & alios
                <lb/>
              antiquos pro aſſertione leuitatis poſitiuæ, pariter­
                <lb/>
              que inefficaces repertæ ſunt omnes aliæ rationes,
                <lb/>
              quæ pro confirmatione prædictæ
                <expan abbr="ſentẽtiæ">ſententiæ</expan>
              circumfe­
                <lb/>
              runtur, cùmque tandem methodo demonſtratiua
                <expan abbr="ve-ritatẽ">ve­
                  <lb/>
                ritatem</expan>
              noſtræ
                <expan abbr="ſentẽtiæ">ſententiæ</expan>
              confirmauerimus, poſſumus
                <expan abbr="">iam</expan>
              ,
                <lb/>
              abſque iactantia, affirmare euiciſſe nullam leuitatem
                <lb/>
              poſitiuam in natura dari virtute cuius naturalia cor­
                <lb/>
              pora conentur diſcedere à noſtra terra versùs ſupe­
                <lb/>
              riores partes, ſed è contra pronunciare poſſumus re­
                <lb/>
              periri in omnibus corporibus ſublunaribus vim
                <expan abbr="quã-dam">quan­
                  <lb/>
                dam</expan>
              vniuerſalem ſe mutuò complectendi, & globo </s>
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