Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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    <archimedes>
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          <chap id="N10019">
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              <s id="N12034">
                <pb pagenum="66" xlink:href="005/01/074.jpg"/>
              ſuſpenſum, aut etiam latum à principio conſtitueretur. </s>
            </p>
            <p id="N1203C" type="main">
              <s id="N1203E">Quod ſi contra definitionem, ſeu deſcriptionem tradi­
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              tam afferatur, multa dari poſſe corpora talis figuræ, vt cen­
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              trum grauitatis illorum non ſit intra, ſed extra, quemadmo­
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              dum exempli gratia in rota AB cuius quidem centrum
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              eſſet in C. </s>
              <s id="N1204A">Sicut etiam in corpore irregulari DE cuius
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                <figure id="id.005.01.074.1.jpg" xlink:href="005/01/074/1.jpg" number="21"/>
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              centrum eſſet in F. </s>
              <s id="N12056">Occurrit Guidus Vbaldus dicens, etiam
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              prædicta centra intra figuram eſſe quatenus verè continen­
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              tur ab ambitu eiuſdem figuræ ipſorum corporum. </s>
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            <p id="N1205D" type="main">
              <s id="N1205F">His autem ſic ſtabilitis de centro grauitatis, dicendum
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              eſt naturalem mobilitatem grauium, & leuium reſpectiuè
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              (hoc eſt corporum magis, aut minus grauium, vt explicui­
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              mus) eſſe innatam quandam aptitudinem, ac propenſionem
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              ad motum deorſum ex principio intrinſeco tum actiuo, tum
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              paſſiuo per rectam lineam, quæ centrum grauitatis ipſius
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              grauis,
                <expan abbr="centrumq.">centrumque</expan>
              mundi connectit. </s>
              <s id="N12072">Id quod apertiſſimè
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              conſtabit conſideranti graue quodcumque ſecluſo omni
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              impedimento, ac detentione, ſtatim ſuo pondere, & ex ſe
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              centrum vniuerſi expetere, nec vnquam quieſcere donec
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              ad illud ſi fieri poſſet, perueniat. </s>
            </p>
            <p id="N1207D" type="main">
              <s id="N1207F">Diximus autem huiuſcemodi aptitudinem eſſe ex prin­
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              cipio intrinſeco tum actiuo tum paſſiuo; nam id per quod
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              grauia formaliter conſtituuntur apta, & in actu primo ad
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              motum localem deorſum, non modò eſt potentia paſſiua
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              ipſis innata, ſicut cuilibet corpori ad recipiendum talem
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              motum, ſiue producatur à ſe ipſo ſiue ab alio: ſed præcipuè </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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