Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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            <p id="N15A78" type="main">
              <s id="N15A7A">
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              ab ipſo explicatur, fulcimentum non poteſt conſtitui in ipſa
                <lb/>
              breuiori dentiforcipis parte, qua apprehenditur dens; tum
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              quia hæc ſimul cum altera parte mouetur, licet per mino­
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              rem circulationem, quæ ſanè fit circa punctum illud gingi­
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              uæ, cui in abſtractione conuertendo ſeſe innititur dens, & à
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              quo ſemper dentiforcipis extremum aliquantulum diſtat,
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              eo quod nequeat ad illam vſque partem gingiuæ interio­
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              rem, ac ſolidam vbi huiuſmodi fit nixus pertingere: tum,
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              etiam quia eſto pars ipſa breuior per ſui extremum non,
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              moueretur ad motum alterius, ſed quieſceret, non propte­
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              rea ſequeretur conſtitui fulcimentum huius motionis. </s>
              <s id="N15AA0">Nam
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              punctum cuiuſlibet vectis correſpondens puncto fulcimen­
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              ti cui innititur, penetratur cum illo, & ſimul cum illo quie­
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              ſcit in motione ipſiusmet vectis; & tamen non poteſt con­
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              ſtitui fulcimentum ſuæ propriæ motionis. </s>
              <s id="N15AAB">Nimirum quia,
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              nihil in ſeipſo poteſt fulciri, ſed ſemper inter fulcimentum,
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              & ſuffultum ea debet eſſe diſtinctio, quæ eſt inter mobile,
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              & immobile, vel commotum, & immotum. </s>
              <s id="N15AB4">Quare cum,
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              conſtitutum ex dente, ac forcipe ſe habeat per
                <expan abbr="modũ">modum</expan>
              vnius
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              vectis, non ſecus ac ſi eſſet vnicum corpus continuum,
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              etiam ſi
                <expan abbr="ſecundũm">ſecundum</expan>
              punctum aliquod ſibi intrinſecum quie­
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              ſceret, ac circa illud ſecundum reliquas ſui partes circulari­
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              ter moueretur; Non propterea poſſet illi tanquam proprio
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              fulcimento in ſua ipſius motione inniti. </s>
              <s id="N15ACB">Potius igitur fulci­
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              mentum conſtituendum eſt extrinſecum, in ea gingiuæ par­
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              te, quam deſcripſimus vbi dens ipſe in auulſione fulcitur, ac
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              præmit,
                <expan abbr="doloremq.">doloremque</expan>
              infert non minus, quam vbi ex oppoſito
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              dimotæ eius radici reſiſtitur. </s>
            </p>
            <p id="N15ADA" type="main">
              <s id="N15ADC">In calce tandem huius quæſtionis Ariſtoteles ſubnectit,
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              dentem commotum facilius manu ſola quàm inſtrumento
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              ſimul auferri. </s>
              <s id="N15AE3">Quod ſanè intellexerim habita ratione ad
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              dolorem, quem in dentis abſtractione quiſque vitare, aut
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              ſaltem minuere intendit; ita vt facilitas ad commoditatem
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              patientis, non autem ad abſolutam effectus conſecutionem
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              referatur. </s>
              <s id="N15AEE">Quo ſenſu id ex eo videtur probari, quoniam ſi
                <lb/>
              ſemel dens fuerit commotus, & à poſitione ſuæ ſedis dimo-</s>
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          </chap>
        </body>
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