Borro, Girolamo, De motu gravium et levium, 1575

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        <body>
          <chap>
            <subchap1>
              <p type="main">
                <s id="s.000542">
                  <pb pagenum="74" xlink:href="011/01/094.jpg"/>
                  <emph type="italics"/>
                Si duo ſint (ait Empedocles) motus quorum alter alteri celeri
                  <lb/>
                tate præſtet, qui celerior eſt, minus celerem præcedit; eumdem
                  <lb/>
                que ita cohibet, vt fieri non queat, vt aqua ex hydriis in or­
                  <lb/>
                bem ſæpe conuerſis, incitatissimeque contortis, non effluit,
                  <expan abbr="quã">quam</expan>
                  <lb/>
                uis deorſum natura feratur, & hydriarum apertum labrum
                  <lb/>
                infra ſit, quod motus, qui in orbem fit, motu recto celerior, mo
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                tum rectum præcedat, eumdemque prohibeat: ſed motus cæ­
                  <lb/>
                li, qui in orbem fit, est celerior motu terræ recto: ergo motum
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                terræ rectum præcedit, & eumdem impedit; quo minus fiat:
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                ergo cum cælum in orbem fertur, terra moueri non potest,
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                ſed ſtare compellitur. </s>
                <s id="s.000543">Hac ratione adductus Empedocles,
                  <expan abbr="terrã">ter
                    <lb/>
                  ram</expan>
                ad centrum trudi, & in
                  <expan abbr="cẽtro">centro</expan>
                conſiſtere ipſe ſibi perſuaſit.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p type="main">
                <s id="s.000544">
                  <emph type="italics"/>
                Hæc opinio poteſt refelli, quia motus terræ ad medium, &
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                quies eius in medio violenta est: ergo terra ad locum extra
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                medium natura mouetur, & natura in illo quieſcit: nam mo­
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                tui violento, & quieti violentæ naturalis motus, & quies na­
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                turalis opponitur, & locus ad quem eſt motus naturalis, & in
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                quo eſt quies naturalis, ei loco opponitur, ad quem violentus fit
                  <lb/>
                motus, & in quo violenta est quies:
                  <expan abbr="violentũ">violentum</expan>
                enim id eſt, quod
                  <lb/>
                contra naturam fit, vt ſupra ſæpe numero diximus: ergo ter­
                  <lb/>
                ra grauis ſurſum, quo leuia ferri ſolent, natura feretur, & in
                  <lb/>
                loco ſuperiore natura quieſcet, quod ſi terræ ſurſum natura
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                fertur, & ibi natura quieſcit: quærendum eſt, quo ignis leuiſ­
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                ſimus natura moueatur, & vbi natura maneat: ignem ad me
                  <lb/>
                dium natura moueri, & in medio natura manere non ani­
                  <lb/>
                maduertimus, ſed violentia: immo quanto maior eſt ignis, tan
                  <lb/>
                to celerius in ſublime fertur: ergo terra grauissima ad
                  <expan abbr="mediũ">medium</expan>
                  <lb/>
                natura mouebitur, & in medio natura quieſcet, & ignis leuiſ­
                  <lb/>
                ſimus in ſublime natura aſcendet, ibique natura conſiſtet.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p type="main">
                <s id="s.000545">
                  <emph type="italics"/>
                Præterea antequam quicquam à diſcordia prima vniuer
                  <emph.end type="italics"/>
                </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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