Borro, Girolamo, De motu gravium et levium, 1575

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    <archimedes>
      <text>
        <body>
          <chap>
            <subchap1>
              <p type="main">
                <s id="s.000370">
                  <pb pagenum="45" xlink:href="011/01/065.jpg"/>
                  <emph type="italics"/>
                ſcriptum eſt ab Auerroe libro quarto de cælo commentatione
                  <lb/>
                quadrageſima: quia locus ſuperior loco ignis, ſimpliciter, &
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                abſolutè leuis ſub luna non datur; ex quo leuissimus ignis de­
                  <lb/>
                ſcendat, poſtquam eò ſuopte impulſu aſcenderit: perinde ac lo
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                cus inferior centro non inuenitur, ex quo terra ad eum lo­
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                cum, in quo nunc est, aſcendat, poſtquam eò deſcenderit.
                  <lb/>
                </s>
                <s id="s.000371">Cauſa etiam quare ignis expers est cuiuslibet grauitatis, &
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                terra cuiuslibet leuitatis, aer, & aqua tum grauitatis, tum le
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                uitatis eſt particeps, ibi ab eodem Auerroe redditur. </s>
                <s id="s.000372">Et ea eſt:
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                quia inferius ſimpliciter, & ſuperius ſimpliciter in natura in
                  <lb/>
                uenitur; & cauſa, quamobrem hæc duo in natura
                  <expan abbr="inueniũtur">inueniuntur</expan>
                ,
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                eſt: quia extrema maximæ diſtantiæ ſunt in rerum vniuerſi­
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                tate, & cauſa, quare hæc reperiuntur, eſt, quia horum
                  <expan abbr="alterũ">alterum</expan>
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                est centrum, alterum circumferentia. </s>
                <s id="s.000373">Porrò cauſa, propter
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                quam media elementa vt aer, & aqua, non ſunt ſimpliciter,
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                & abſolutè, aut grauia, aut leuia, ſed ad duo extrema com­
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                parata modo grauia, & modo leuia cenſentur, est: quia non
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                ſunt in loco, aut ſimpliciter inferiore, aut abſolutè ſuperiore;
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                nec ſunt in locis maximè distantibus; quorum alterum ſit cen
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                trum, alterum circumferentia: ſed ſunt in locis mediis, me­
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                diæ naturæ corporibus optimo iure tributis.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p type="main">
                <s id="s.000374">
                  <emph type="italics"/>
                Hæ ſunt Auerrois cauſæ; quibus addendum, nec abſque
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                ratione putamus vim, & naturam propriam, ſeu energiam
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                cuiuslibet elementi, quæ cauſa est, ob quam vnumquodque ele
                  <lb/>
                mentum ſit aut graue, aut leue, aut ſimpliciter, aut ad aliud
                  <lb/>
                comparatum: ſunt enim grauitas, & leuitas propriæ
                  <expan abbr="corporũ">corporum</expan>
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                grauium, & leuium affectiones, quæ eorumdem formas neceſ
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                ſariò conſequuntur: & ex illis quaſi aquæ ex propriis fonti­
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                bus, manant: eadem enim ſunt prima ſpecierum, & proprie­
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                tatum principia: vt quia homo eſt rationis particeps, eſt etiam
                  <emph.end type="italics"/>
                </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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