Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

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              <pb o="413" file="0131" n="140" rhead="DEFINITIONES."/>
            omnibus contactum punctis polygoni regularis à tangen-
              <lb/>
            tibus comprehenſi, appello hæc polygona complicata.</s>
            <s xml:id="echoid-s2744" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2745" xml:space="preserve">5 Quantitatem dicimus à quantitatibus eſſe compoſitam;
              <lb/>
            </s>
            <s xml:id="echoid-s2746" xml:space="preserve">cum à quantitatum additione, ſubductione, multiplica-
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            tione, diviſione, radicum extractione, vel quacunque alia
              <lb/>
            imaginabili operatione, fit alia quantitas.</s>
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          </p>
          <p>
            <s xml:id="echoid-s2748" xml:space="preserve">6 Quando quantitas componitur ex quantitatum additione,
              <lb/>
            ſubductione, multiplicatione, diviſione, radicum extra-
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            ctione; </s>
            <s xml:id="echoid-s2749" xml:space="preserve">dicimus illam componi analyticè.</s>
            <s xml:id="echoid-s2750" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2751" xml:space="preserve">7 Quando quantitates à quantitatibus inter ſe commenſura-
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            bilibus analyticè componi poſſunt, dicimus illas eſſe inter
              <lb/>
            ſe analyticas.</s>
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            <s xml:id="echoid-s2753" xml:space="preserve">8 Si à quantitatibus quotcunque A, B, C, D, E, com-
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            ponatur quantitas X, & </s>
            <s xml:id="echoid-s2754" xml:space="preserve">à quantitatibus F, G, C, D, E,
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            componatur quantitas Z, eâdem omnino methodo & </s>
            <s xml:id="echoid-s2755" xml:space="preserve">iis-
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            dem omnino operationibus quibus antè componebatur X,
              <lb/>
            poſitis quantitatibus F, G, loco quantitatum A, B, ſi
              <lb/>
            inquam hoc fiat. </s>
            <s xml:id="echoid-s2756" xml:space="preserve">dicimus quantitatem X eodem modo
              <lb/>
            componi à quantitatibus A, B, quo Z componitur à
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            quantitatibus F, G.</s>
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            <s xml:id="echoid-s2758" xml:space="preserve">9 Sint duæ quantitates A, B, à quibus compo-
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              A # B
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              C # D
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              E # F
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              G # H
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            nantur duæ aliæ quantitates C, D, quarum
              <lb/>
            differentia ſit minor differentia quantitatum
              <lb/>
            A, B, & </s>
            <s xml:id="echoid-s2759" xml:space="preserve">eodem modo quo C, componitur à
              <lb/>
            quantitatibus A, B, componatur E à quantita-
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            tibus C, D; </s>
            <s xml:id="echoid-s2760" xml:space="preserve">& </s>
            <s xml:id="echoid-s2761" xml:space="preserve">eodem modo quo D componitur à quan-
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            titatibus A, B, componatur F, à quantitatibus C, D; </s>
            <s xml:id="echoid-s2762" xml:space="preserve">&</s>
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