Borro, Girolamo, De motu gravium et levium, 1575

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              <pb pagenum="146" xlink:href="011/01/166.jpg"/>
              <p type="main">
                <s id="s.000980">
                  <emph type="italics"/>
                Elementa à ſe ipſis ſuarum motionum intrinſecum habere
                  <lb/>
                principium confirmatur auctoritate Ariſtotelis libro quarto
                  <lb/>
                de cælo particula vigeſimaquarta, vbi poſita ſimilitudine in­
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                ter ea, quæ ad locum mouentur, & inter ea quæ alterantur,
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                differentiam nanciſcitur, & ait. </s>
                <s id="s.000981">Quæ ad locum cientur, &
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                aut grauia ſunt, aut leuia, ab his, quæ alterantur, hoc potissi­
                  <lb/>
                mum differunt: quod hæc, quæ locum mutant in ſe ipſis, mo­
                  <lb/>
                tus ſui principium habent, quippe quod naturaliter, ac ſua
                  <lb/>
                ſponte moueantur: illa vero, quæ qualitatem, &
                  <expan abbr="quantitatẽ">quantitatem</expan>
                  <lb/>
                mutant, non in ſe, sed extrinſecus adueniens
                  <expan abbr="habẽt">habent</expan>
                motus prin
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                cipium, &c. </s>
                <s id="s.000982">ergo de ſententia Ariſtotelis in hoc loco elemen­
                  <lb/>
                ta ab intrinſeco motore concitantur: ergo à ſe per ſe natura­
                  <lb/>
                li motu cientur. </s>
                <s id="s.000983">Confirmatur. </s>
                <s id="s.000984">Non poteſt (ait Auerroes)
                  <lb/>
                libro primo de cælo particula duodeuigeſima) numerari cor­
                  <lb/>
                pus naturale, cuius motus non vt naturalis, ſed elementa cor­
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                pora ſunt naturalia. </s>
                <s id="s.000985">Ergo elementorum motus eſt naturalis,
                  <lb/>
                ſed motus naturalis fit à natura, quæ est per ſe
                  <expan abbr="principiũ">principium</expan>
                mo­
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                tus intrinſecum. </s>
                <s id="s.000986">Ergo elementa per ſe ab intrinſeco principio,
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                quod eſt natura mouentur: ergo à ſe per ſe:
                  <expan abbr="eã">eam</expan>
                obrem Auer­
                  <lb/>
                roes addidit, vniuerſaliter manifestum est, eorum motum
                  <lb/>
                eſſe per ſe, & mox ait Auerroes: neceſſe est verificare in hoc
                  <lb/>
                loco, quod motus elementorum non eſt ab extrinſeco: quamuis
                  <lb/>
                manifestum ſit per ſe. </s>
                <s id="s.000987">Cum itaque manifeſtum ſit elementa
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                non moueri ab extrinſeco: & notum ſit ita, vt nulli ſua do­
                  <lb/>
                mus nota magis, elementa moueri: exploratum etiam erit ab
                  <lb/>
                intrinſeco principio eadem naturali motu cieri. </s>
                <s id="s.000988">Sed
                  <expan abbr="intrinſecũ">intrinſecum</expan>
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                principium est per ſe principium: ergo mouentur à ſe per ſe.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p type="main">
                <s id="s.000989">
                  <emph type="italics"/>
                Confirmatur ex Auerrois explanatione libro ſecundo phy
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                ſicorum
                  <expan abbr="cõmentatione">commentatione</expan>
                prima: vbi Aristoteles ait. </s>
                <s id="s.000990">Quæ natu
                  <lb/>
                ra constant, omnia intra ſemetipſa motus, & status princi-
                  <emph.end type="italics"/>
                </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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