Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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    <archimedes>
      <text>
        <body>
          <chap id="N10019">
            <p id="N11996" type="main">
              <s id="N119C1">
                <pb pagenum="51" xlink:href="005/01/059.jpg"/>
                <figure id="id.005.01.059.1.jpg" xlink:href="005/01/059/1.jpg" number="9"/>
                <lb/>
              tur quadrangulum rectangulum D K R C nempe ducen­
                <lb/>
              do lineam K R. paralellam, & æqualem ipſi D C. per pun­
                <lb/>
              ctum B, & claudendo ipſas K R & D C per lineas D K
                <lb/>
              & C R. </s>
              <s id="N119D6">Cum igitur motus naturalis cuiuſlibet lineæ dica­
                <lb/>
              tur ille, quo recta fertur verſus eam partem in quam tendit,
                <lb/>
              ſi linea A B ſtantis circuli deſcripti deorſum tenderet ſim­
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              plici motu naturali, abſque dubio rectè, ac perpendiculari­
                <lb/>
              ter tota ſimul caderet, & coincideret cum C R. </s>
              <s id="N119E4">Quoniam
                <lb/>
              vero non poteſt ita ferri ſimplici motu naturali, eò quod al­
                <lb/>
              terum eius extremum detineatur in centro, illæ partes ip­
                <lb/>
              ſius dicentur magis participare de motu naturali, quæ re­
                <lb/>
              ctius tendunt in ipſam C R; hoc eſt per lineam magis appro­
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              pinquantem ad perpendiculum; ſicut è contrà illæ dicentur
                <lb/>
              magis detrahi à motu naturali, quæ magis incuruantur ten­
                <lb/>
              dendo verſus lineam C D. </s>
              <s id="N119F6">Itaque progreſſas perpendicu­
                <lb/>
              laris verſus C R erit motus naturalis, verſus autem C D erit
                <lb/>
              præternaturalis Quod certè videtur ſupponere Ariſtoteles.
                <lb/>
              </s>
              <s id="N119FF">Nunc autem ſic procedit ad oſtenden lum propoſitum,
                <lb/>
              nempè partem diametri propinquiorem centro, vt A M </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>