Fabri, Honoré, Tractatus physicus de motu locali, 1646

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          <chap id="N1C940">
            <pb pagenum="195" xlink:href="026/01/227.jpg"/>
            <figure id="id.026.01.227.1.jpg" xlink:href="026/01/227/1.jpg" number="22"/>
            <p id="N1C94A" type="head">
              <s id="N1C94C">
                <emph type="center"/>
              LIBER QVINTVS,
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                <emph type="italics"/>
              DE MOTV IN DIVERSIS
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              Planis.
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                <emph.end type="center"/>
              </s>
            </p>
            <p id="N1C95B" type="main">
              <s id="N1C95D">HACTENVS conſiderauimus motum in libe­
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              ro medio; iam verò conſiderabimus in planis
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              durioribus, in quibus mobilè feratur vel ſua
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              ſponte vel ab extrinſeco impulſum.
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                <gap desc="hr tag"/>
              </s>
            </p>
            <p id="N1C96A" type="main">
              <s id="N1C96C">
                <emph type="center"/>
                <emph type="italics"/>
              DEFINITIO 1.
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                <emph.end type="center"/>
              </s>
            </p>
            <p id="N1C978" type="main">
              <s id="N1C97A">
                <emph type="italics"/>
              PLanum inclinatum eſt corpus durum læuigatiſſimum, in quo mobile quod­
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              piam moueri poſſit, quod nec ſit verticale ſurſum, nec perpendiculare deor­
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              ſum,
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              non addo, nec horizonti parallelum; quia planum rectilineum hori­
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              zontale eſt etiam decliue, vt ſuo loco videbimus. </s>
            </p>
            <p id="N1C989" type="main">
              <s id="N1C98B">
                <emph type="center"/>
                <emph type="italics"/>
              Hypotheſis
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              1.
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              </s>
            </p>
            <p id="N1C998" type="main">
              <s id="N1C99A">
                <emph type="italics"/>
              Corpus graue per planum inclinatum deſcendit, & quidem velociùs per illud
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              planum, quod minùs recedit à perpendiculari, tardiùs verò per illud, quod plùs
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              recedit.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="N1C9A5" type="main">
              <s id="N1C9A7">
                <emph type="center"/>
                <emph type="italics"/>
              Hypotheſis
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              2.
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              </s>
            </p>
            <p id="N1C9B4" type="main">
              <s id="N1C9B6">
                <emph type="italics"/>
              Corpus graue in plano inclinato minùs grauitat, id eſt faciliùs ſustinetur, &
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              tardiore motu deſcendit, quàm in perpendiculari deorſum.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="N1C9BF" type="main">
              <s id="N1C9C1">Vtraque hypotheſis certa eſt, & de vtraque ſupponimus tantùm, quòd
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              ſit, nam demonſtrabimus infrà propter quid ſit. </s>
            </p>
            <p id="N1C9C6" type="main">
              <s id="N1C9C8">
                <emph type="center"/>
                <emph type="italics"/>
              Axioma
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              1.
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              </s>
            </p>
            <p id="N1C9D5" type="main">
              <s id="N1C9D7">
                <emph type="italics"/>
              Corpus graue ideò tantùm mouetur ſua ſponte, vt deorſum tendat
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              : </s>
              <s id="N1C9E0">hoc
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              Axioma conſtat ex iis, quæ fusè demonſtraui ſecundò lib. adde quod,
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              deorſum tendere, & corpus graue ſua ſponte moueri idem prorſus ſonare
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              videntur; </s>
              <s id="N1C9EA">nec enim loquor de potentiâ motrice animantium, vel de alia
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              quacumque magneticâ, ſed de potentiâ motrice grauium; </s>
              <s id="N1C9F0">graue autem
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              illud appello, quod in medio rariore poſitum deorſum tendit, niſi impe­
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              diatur, denique hîc ſuppono dari motum naturalem grauium deorſum </s>
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