Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

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          <pb o="5" file="0035" n="35" rhead="MATHEMATICA, LIB. I. CAP. III."/>
        </div>
        <div xml:id="echoid-div44" type="section" level="1" n="26">
          <head xml:id="echoid-head61" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          1.</head>
          <p>
            <s xml:id="echoid-s534" xml:space="preserve">Aër in quo vivimus fere ſemper viſum & </s>
            <s xml:id="echoid-s535" xml:space="preserve">tactum noſtrum
              <lb/>
              <note position="right" xlink:label="note-0035-01" xlink:href="note-0035-01a" xml:space="preserve">17.</note>
            fugit, in antlia tamen exacte clauſa embolo reſiſtit, ita ut nul-
              <lb/>
            la vi ad antliæ fundum protrudi poſſit.</s>
            <s xml:id="echoid-s536" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s537" xml:space="preserve">In extenſionis autem idea non continetur idea ſolidita-
              <lb/>
            tis, hanc non niſi ex contactu, illam vero ſine illo acquiri-
              <lb/>
            mus, & </s>
            <s xml:id="echoid-s538" xml:space="preserve">ſi quis nunquam corpus tetigiſſet, ei ſoliditas omni-
              <lb/>
            no ignota eſſet.</s>
            <s xml:id="echoid-s539" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div46" type="section" level="1" n="27">
          <head xml:id="echoid-head62" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          2.</head>
          <p>
            <s xml:id="echoid-s540" xml:space="preserve">Conſpiciat quis idolum inter ſpeculum cavum & </s>
            <s xml:id="echoid-s541" xml:space="preserve">obje-
              <lb/>
              <note position="right" xlink:label="note-0035-02" xlink:href="note-0035-02a" xml:space="preserve">18.</note>
            ctum ſpeculo expoſitum; </s>
            <s xml:id="echoid-s542" xml:space="preserve">idolum tale non reſiſtit, corpus
              <lb/>
            tamen æque denſum ac corpus repræſentatum videtur: </s>
            <s xml:id="echoid-s543" xml:space="preserve">poſ-
              <lb/>
            ſunt enim colores magis vividi in idolo quam ipſius objecti
              <lb/>
            colores repræſentari.</s>
            <s xml:id="echoid-s544" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s545" xml:space="preserve">Si homo nihil unquam præter talia idola vidiſſet, & </s>
            <s xml:id="echoid-s546" xml:space="preserve">ipſi-
              <lb/>
            us corpus tali idolo ſimile eſſet, an ullam ſoliditatis haberet
              <lb/>
            ideam? </s>
            <s xml:id="echoid-s547" xml:space="preserve">non videtur; </s>
            <s xml:id="echoid-s548" xml:space="preserve">extenſionis tamen certiſſime habebit.
              <lb/>
            </s>
            <s xml:id="echoid-s549" xml:space="preserve">Hic non agitur de eo quid ſit tale idolum, de ideis diſpu-
              <lb/>
            tamus, ſat eſt illud dari.</s>
            <s xml:id="echoid-s550" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s551" xml:space="preserve">In ſoliditatis privatione non omnis ſita eſt differentia inter
              <lb/>
            Spatium & </s>
            <s xml:id="echoid-s552" xml:space="preserve">Corpus.</s>
            <s xml:id="echoid-s553" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s554" xml:space="preserve">Spatium eſt infinitum, ac nullis terminari poſſe limitibus,
              <lb/>
              <note position="right" xlink:label="note-0035-03" xlink:href="note-0035-03a" xml:space="preserve">19.</note>
            rem attente conſideranti patebit. </s>
            <s xml:id="echoid-s555" xml:space="preserve">Corpora autem finita
              <lb/>
            dantur.</s>
            <s xml:id="echoid-s556" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s557" xml:space="preserve">In ſpatio partes dari clare videmus, a ſe invicem vero
              <lb/>
              <note position="right" xlink:label="note-0035-04" xlink:href="note-0035-04a" xml:space="preserve">20.</note>
            ſeparari nequeunt, immobiles ſunt, ut & </s>
            <s xml:id="echoid-s558" xml:space="preserve">ipſum ſpatium. </s>
            <s xml:id="echoid-s559" xml:space="preserve">Cor-
              <lb/>
            poris vero partes ſeparationem patiuntur.</s>
            <s xml:id="echoid-s560" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s561" xml:space="preserve">Spatii idea ſimpliciſſima eſt; </s>
            <s xml:id="echoid-s562" xml:space="preserve">corporis magis eſt compo-
              <lb/>
            ſita.</s>
            <s xml:id="echoid-s563" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s564" xml:space="preserve">Soliditas a quibuſdam impenetrabilitas vocatur, & </s>
            <s xml:id="echoid-s565" xml:space="preserve">ex na-
              <lb/>
              <note position="right" xlink:label="note-0035-05" xlink:href="note-0035-05a" xml:space="preserve">21.</note>
            tura extenſionis illam deducere conantur; </s>
            <s xml:id="echoid-s566" xml:space="preserve">pedi cubico ex.
              <lb/>
            </s>
            <s xml:id="echoid-s567" xml:space="preserve">gr. </s>
            <s xml:id="echoid-s568" xml:space="preserve">extenſionis, pes alter cubicus extenſionis addi non poteſt,
              <lb/>
            quin habeamus duos pedes cubicos, ſinguli enim habent om-
              <lb/>
            nia quæ ad illam magnitudinem conſtituendam requirun-
              <lb/>
            tur; </s>
            <s xml:id="echoid-s569" xml:space="preserve">pars ergo una ſpatii partes omnes alias excludit & </s>
            <s xml:id="echoid-s570" xml:space="preserve">ipſa
              <lb/>
            illas admittere non poteſt.</s>
            <s xml:id="echoid-s571" xml:space="preserve"/>
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