Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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          <chap id="N10019">
            <p id="N17232" type="main">
              <s id="N1724A">
                <pb pagenum="243" xlink:href="005/01/251.jpg"/>
              ponderantiam in corporibus cauſat, vel certè conſequitur,
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              vt patet in libra, quæ dum in æquilibrio conſtituitur duos
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              vtrinque efficit angulos rectos cum trutina. </s>
              <s id="N17258">
                <expan abbr="Itemq.">Itemque</expan>
              nam
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              corpora perpendiculariter ad angulos rectos ſuper planum
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              horizontis conſtituta, dum terræ ſuperficiei incumbunt,
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              æqualiter omni ex parte diſtant à ſolo,
                <expan abbr="ſtareq.">ſtareque</expan>
              propterea
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              dicuntur, hoc eſt in ſua propria mole conſiſtere. </s>
              <s id="N1726A">Quare cu­
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              bus eo quod non niſi ex rectis angulis conſtet, & vndique
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              ſit æqualis, maximè omnium corporum valet conſiſtere, at­
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              que ſolo inhæréndo quieſcere: Ita vt Pythagorici ad tuendam
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              terræ immobilitatem, eam dixerint eſſe cubicam. </s>
              <s id="N17275">Quod
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              autem dicitur de toto corpore ſtante, idem reſpectiuè dici
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              poteſt de partibus, quæ ſimiliter ad angulos rectos ſupra
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              planum horizontis erectæ quieſcunt, vt thorax, vel tibiæ in
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              homine ſedente. </s>
              <s id="N17280">Cum igitur à ſeſſione ſurgentes, quietem
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              qua ſedendo ad angulos rectos potiebantur aſſurgendo re­
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              linquant, ipſos angulos rectos in acutos commutare co­
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              guntur, hoc ipſo quod moueantur, & acuti anguli, non au­
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              tem obtuſi ad ipſum ſurrectionis motum ſint idonei, at que
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              accommodati, vt mox infrà conſtabit. </s>
            </p>
            <p id="N1728D" type="main">
              <s id="N1728F">Secundò igitur id fieri docet Philoſophus, nam qui ſur­
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              git, ad hoc tendit, vt totus conſtituatur erectus, ac perpen­
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              dicularis ſuperficiei terræ ſecundum eandem rectitudinem
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              vnius lineæ cadentis ad centrum, ſecus ac cum ſederet.
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              </s>
              <s id="N17299">Quantumuis enim tunc caput & thorax, ſicut & crura per­
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              pendiculariter haberet ſupra horizontem erecta, non tamen
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              femora ſic erant conſtituta, nec crura in eadem erant linea,
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              ac thorax & caput, ſed in alia paralella. </s>
              <s id="N172A2">Quare vt totus
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              erigatur, & ſecundum eandem lineam perpendiculariter
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              horizonti inſiſtat, opus eſt, pedes retrahere, vt dicebamus,
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              ex D in F,
                <expan abbr="caputq.">caputque</expan>
              cum ſubiecto thorace reclinare ex A
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              in E; quod eſt prædictos angulos rectos in acutos conuerte­
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              re, vt pedibus ſub capite conſtitutis, per eandem perperdi­
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              cularem EF totum corpus erigi poſſit, ac ſtare. </s>
              <s id="N172B5">Alioquia
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              eandem angulorum rectitudinem ſeruando, non fieret mo­
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              tus; atque rectos angulos in obtuſos commutando, non mo­</s>
            </p>
          </chap>
        </body>
      </text>
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