Borro, Girolamo, De motu gravium et levium, 1575

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        <body>
          <chap>
            <subchap1>
              <p type="main">
                <s id="s.000545">
                  <pb pagenum="75" xlink:href="011/01/095.jpg"/>
                  <emph type="italics"/>
                ſi parente diſcretum fuiſſet, ſed à concordia in vnum omnia
                  <expan abbr="cõ">com</expan>
                  <lb/>
                funderentur: quærendum fuerat ab Empedocle, à quo nam
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                terra ad mundi medium truderetur, non ab incitatissima cæ
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                li conuerſione rotunda trudi, nec ab eadem terræ motum im­
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                pediri poterat,
                  <expan abbr="quoniã">quoniam</expan>
                cælum à diſcordia ſegregatum
                  <expan abbr="nõ">non</expan>
                erat,
                  <lb/>
                ſed cum cæteris omnibus rebus confusè commixtum, terram
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                trudere, illiusque naturalem motum impedire non valebat.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p type="main">
                <s id="s.000546">
                  <emph type="italics"/>
                Quærendum eſt etiam ab eodem Empedocle: ſi incitatissi­
                  <lb/>
                ma cæli conuerſio cauſa eſt; cur terra ad medium moueatur,
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                & in medio quieſcat, quamobrem, ab eadem celerrima cæli
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                conuerſione ignis ad
                  <expan abbr="mediũ">medium</expan>
                non trudatur? </s>
                <s id="s.000547">& cur ibi non quie
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                ſcat? </s>
                <s id="s.000548">cuius rei, cum nullam cauſam indicare possit: dignus
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                est, vt cum ſua ſententia exploſus, à Philoſophorum conſortio
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                recedat.
                  <emph.end type="italics"/>
                </s>
              </p>
              <p type="main">
                <s id="s.000549">
                  <emph type="italics"/>
                Dicendum est igitur ante conuerſionem grauia, & leuia
                  <lb/>
                fuiſſe, & inter ſe diſtincta, naturalemque locum habuiſſe, ad
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                quem natura concit arentur, & in quo natura manerent: gra
                  <lb/>
                uia ad medium deſcendere, & in medio quieſcere, & leuia ad
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                ſuperam huius inferioris mundi regionem natura ſubstolli,
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                & in eo loco natura quieſcere, vt infra demonstrabimus.
                  <lb/>
                </s>
                <s id="s.000550">Ratio Empedoclis nihil habet momenti: nam ordo vniuerſi,
                  <lb/>
                qui grauium motum ad medium, & eorumdem quietem in
                  <lb/>
                medio postulat, à violenta quantumuis celerrima cæli conuer
                  <lb/>
                ſione expellente, non impeditur: hanc expulſionem, quam pro
                  <lb/>
                bat Empedocles, vt terram trudat, eſſe violentam, ex duobus
                  <lb/>
                intelligimus: primo, quia fit à diſcordia antiqua vniuerſi pa­
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                rente, à qua nihil non
                  <expan abbr="violentũ">violentum</expan>
                gignitur: ſecundo quia expul­
                  <lb/>
                ſionis motus inter ſpecies eorum motuum, quos Aristoteles,
                  <lb/>
                libro ſeptimo Phyſicorum particula decima, violentos appel­
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                lat, relata, naturalis eſſe non poteſt, ſed violenta: eadem re-
                  <emph.end type="italics"/>
                </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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