Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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          <chap id="N10019">
            <p id="N10AD8" type="main">
              <s id="N10AEC">
                <pb pagenum="19" xlink:href="005/01/027.jpg"/>
              pendet ab habitu principiorum, loco illorum nititur conclu­
                <lb/>
              ſionibus demonſtratis in ſuperiori ſcientia. </s>
              <s id="N10AF8">Et hac ratione
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              nihil demonſtratur in Perſpectiua, quod
                <expan abbr="nõ">non</expan>
              inferatur ex con­
                <lb/>
              cluſionibus Geometriæ cui ipſa ſubordinatur;
                <expan abbr="nihilq.">nihilque</expan>
              in Mu­
                <lb/>
              ſica, quod non nitatur concluſionibus ac principijs Arithme­
                <lb/>
              ticæ cui ſimiliter ipſa ſubalternatur. </s>
            </p>
            <p id="N10B0B" type="main">
              <s id="N10B0D">Secundum requiſitum eſt, vt idem ſit obiectum ſubalter­
                <lb/>
              natæ, ac ſubalternantis ſecundum aliquam rationem forma­
                <lb/>
              lem. </s>
              <s id="N10B14">Quandoquidem ſi ſubiecta eſſent eſſentialiter diuerſa
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              ſecundum formalitatem qua cadunt ſub ſcientiam, non dare­
                <lb/>
              tur tranſitus à ſcientia ſubalternata ad
                <expan abbr="ſubalternantẽ">ſubalternantem</expan>
              , vt do­
                <lb/>
              cet Ariſtoteles; hoc eſt accipiendo ex illa propria principia
                <lb/>
              ac media ad probandum ſuas concluſiones; quia tam paſſio­
                <lb/>
              nes demonſtrandæ de ſubiecto, quàm principia quæ ſunt
                <lb/>
              cauſæ intrinſecæ ipſarum
                <expan abbr="paſſionũ">paſſionum</expan>
              , debent eſſe maximè pro­
                <lb/>
              pria & connexa cum ipſo ſubiecto: nihil autem poteſt eſſe
                <lb/>
              maximè proprium duobus ſubiectis eſſentialiter diuerſis; ac
                <lb/>
              proinde ex connexione cum principijs vnius, inferri non po­
                <lb/>
              teſt connexio alterius ad conficiendas demonſtrationes. </s>
              <s id="N10B33">Ea­
                <lb/>
              dem ergo eſſentialiter debent eſſe ſubiecta ſubalternantis, ac
                <lb/>
              ſubalternatæ, ſaltem ſecundum aliquam rationem formalem,
                <lb/>
              quamuis alia ratione differant inter ſe. </s>
              <s id="N10B3C">Semper enim ratio
                <lb/>
              illa formalis ſub qua agitur de aliquo in ſcientia, vniuerſaliori
                <lb/>
              ac ſimpliciori modo conſideratur in ſubalternante, quàm in
                <lb/>
              ſubalternata, in qua ſemper contrahitur ab aliqua differentia
                <lb/>
              accidentali ſuperaddita, vt conſtat in Muſica reſpectu Arith­
                <lb/>
              meticæ, & in Perſpectiua reſpectu Geometriæ. </s>
              <s id="N10B49">Siquidem in
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              Arithmetica ſimpliciter conſideratur numerus ſecundum ſe,
                <lb/>
              in Muſica vero conſideratur numerus in ſono. </s>
              <s id="N10B50">
                <expan abbr="Similiterq.">Similiterque</expan>
              in
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              Geometria ſolum conſiderantur lineæ, in Perſpectiua vero
                <lb/>
              conſiderantur in viſu, quæ differentiæ putantur accidentales;
                <lb/>
              nam vt docet Ariſtoteles locis citatis, & 13 metaph. </s>
              <s id="N10B5C">ſum. 1.
                <lb/>
              cap. 3. Muſica & Perſpectiua non verſantur formaliter circa
                <lb/>
              ſonum & viſum ſed circa numerum & lineam de quibus agi­
                <lb/>
              tur abſolutè in Arithmetica, & Geometria. </s>
            </p>
            <p id="N10B68" type="main">
              <s id="N10B6A">Quibus poſitis, dicendum eſt, Mechanicam
                <expan abbr="facultatẽ">facultatem</expan>
              ab­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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