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

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          <pb o="2" file="0032" n="32" rhead="PHYSICES ELEMENTA"/>
          <p>
            <s xml:id="echoid-s435" xml:space="preserve">Omnes hi motus regulis certis peraguntur & </s>
            <s xml:id="echoid-s436" xml:space="preserve">legibus ſem-
              <lb/>
            per iisdem adſtricti ſunt.</s>
            <s xml:id="echoid-s437" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s438" xml:space="preserve">Sol quotidie oritur & </s>
            <s xml:id="echoid-s439" xml:space="preserve">occidit, tempuſque ortus & </s>
            <s xml:id="echoid-s440" xml:space="preserve">occa-
              <lb/>
            ſus, pro anni tempeſtate & </s>
            <s xml:id="echoid-s441" xml:space="preserve">loco, ſemper determinatur, ejuſ-
              <lb/>
            dem ſpeciei plantæ, iiſdem poſitis circumſtantiis, eodemmo-
              <lb/>
            do producuntur & </s>
            <s xml:id="echoid-s442" xml:space="preserve">creſcunt, & </s>
            <s xml:id="echoid-s443" xml:space="preserve">ſic de cæteris. </s>
            <s xml:id="echoid-s444" xml:space="preserve">In iis ipſis
              <lb/>
            quæ nobis omnino fortuita & </s>
            <s xml:id="echoid-s445" xml:space="preserve">incerta apparent, certas ob-
              <lb/>
            ſervari regulas extra omne dubium eſt.</s>
            <s xml:id="echoid-s446" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s447" xml:space="preserve">Phyſica Phænomena naturalia explicat, id eſt, illorum
              <lb/>
              <note position="left" xlink:label="note-0032-01" xlink:href="note-0032-01a" xml:space="preserve">3.</note>
            cauſas tradit.</s>
            <s xml:id="echoid-s448" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s449" xml:space="preserve">Cum in illas cauſas inquirimus, ipſum corpus in genere
              <lb/>
            examinandum eſt, deinde quibus regulis rerum conditor
              <lb/>
            omnes motus peragi voluerit. </s>
            <s xml:id="echoid-s450" xml:space="preserve">Hæ regulæ, vocantur leges
              <lb/>
            Naturæ.</s>
            <s xml:id="echoid-s451" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div25" type="section" level="1" n="20">
          <head xml:id="echoid-head53" xml:space="preserve">
            <emph style="sc">Definitio</emph>
          4.</head>
          <p style="it">
            <s xml:id="echoid-s452" xml:space="preserve">Naturæ lex ergo eſt, Regula & </s>
            <s xml:id="echoid-s453" xml:space="preserve">norma, ſecundum quam
              <lb/>
              <note position="left" xlink:label="note-0032-02" xlink:href="note-0032-02a" xml:space="preserve">4.</note>
            Deus voluit certos motus ſemper, id eſt, in omnibus occaſio-
              <lb/>
            nibus, peragi.</s>
            <s xml:id="echoid-s454" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s455" xml:space="preserve">Eſt ideo noſtri reſpectu lex naturæ, omnis effectus, qui
              <lb/>
              <note position="left" xlink:label="note-0032-03" xlink:href="note-0032-03a" xml:space="preserve">5.</note>
            in omnibus occaſionibus idem eſt, cujus cauſa nobis eſt
              <lb/>
            ignota, & </s>
            <s xml:id="echoid-s456" xml:space="preserve">quem videmus exnulla lege, nobis nota, fluere
              <lb/>
            poſſe, licet ex ſimpliciori lege, nobis ignota, fluat.</s>
            <s xml:id="echoid-s457" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s458" xml:space="preserve">Noſtri enim reſpectu non intereſt, utrum quid immedi-
              <lb/>
            ate a Dei voluntate pendeat, an vero mediante cauſa, cu-
              <lb/>
            jus nullam ideam habemus, producatur.</s>
            <s xml:id="echoid-s459" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s460" xml:space="preserve">Leges naturæ, niſi ex examine Phænomenorum naturali-
              <lb/>
            um, non poſſunt elici.</s>
            <s xml:id="echoid-s461" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s462" xml:space="preserve">Ope legum hac methodo detectarum Phænomena alia ex-
              <lb/>
            plicari debent.</s>
            <s xml:id="echoid-s463" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s464" xml:space="preserve">In inveſtigatione Naturæ legum, ſequentes Regulæ New-
              <lb/>
            tonianæ obſervandæ veniunt.</s>
            <s xml:id="echoid-s465" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div28" type="section" level="1" n="21">
          <head xml:id="echoid-head54" xml:space="preserve">
            <emph style="sc">Regula</emph>
          1.</head>
          <p style="it">
            <s xml:id="echoid-s466" xml:space="preserve">Cauſas rerum Naturalium non plures admitti debere
              <lb/>
              <note position="left" xlink:label="note-0032-04" xlink:href="note-0032-04a" xml:space="preserve">6.</note>
            quam quæ & </s>
            <s xml:id="echoid-s467" xml:space="preserve">veræ ſint, & </s>
            <s xml:id="echoid-s468" xml:space="preserve">earum Phænomenis explicandis
              <lb/>
            ſufficiant.</s>
            <s xml:id="echoid-s469" xml:space="preserve"/>
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