Ghetaldi, Marino, Marini Ghetaldi Promotvs Archimedis sev de varijs corporum generibus grauitate & magnitudine comparatis

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          <pb o="28" file="0040" n="40" rhead="PROMOTVS"/>
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            <s xml:id="echoid-s719" xml:space="preserve">Neque diſſimili ratione inuenietur magnitudo reliquo-
              <lb/>
            rum omnium liquidorum, grauitate propoſito corpori cuiuſ-
              <lb/>
            cumque generis liquidi, æqualium, quare dicta ſufficiant.</s>
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          </p>
          <p>
            <s xml:id="echoid-s721" xml:space="preserve">DVm adhucOpuſculum ſub prælo eſſet, dubitandi anſam,
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            ex eo vir doctiſsimus, cui percurrendum illud tradi-
              <lb/>
            deram, arripuit, quod ex grauitate, corporum in aqua
              <lb/>
            exiſtentium, non poſſet vera ratio, quam habent diuerſa
              <lb/>
            ipſorum corporum genera in grauitate, deprehendi, niſi
              <lb/>
            corpora fuerint ſimilia. </s>
            <s xml:id="echoid-s722" xml:space="preserve">ſi enim (aiebat) accipiantur duo
              <lb/>
            corpora eiuſdem generis, & </s>
            <s xml:id="echoid-s723" xml:space="preserve">grauitatis, quorum vnum ſit
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            planum, alterum conicam formam habens, & </s>
            <s xml:id="echoid-s724" xml:space="preserve">ponderen-
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            turin aqua, ita vt coni vertex deorſum verſus pendeat, baſis
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            vero ipſius coni, & </s>
            <s xml:id="echoid-s725" xml:space="preserve">latæ corporis plani ſuperficies æquidiſtent
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            horizonti. </s>
            <s xml:id="echoid-s726" xml:space="preserve">conus in aqua maiorem habebit grauitatem, cor-
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            pore plano, quia corpus planum magis ab aqua ſuſtentatur,
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            quam conus, & </s>
            <s xml:id="echoid-s727" xml:space="preserve">hoc quidem manifeſtum eſt, quoniam ſi am-
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            bo demittantur eodem tempore in aquam, conus citius ad
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            imum deſcendet, quam corpus planum. </s>
            <s xml:id="echoid-s728" xml:space="preserve">Hoc argumentum
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            licet primo aſpectu probabilevideatur, tamen falſo concludit.
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            </s>
            <s xml:id="echoid-s729" xml:space="preserve">verum eſt quod aqua ſuſtentat magis corpus planum, quam
              <lb/>
            conum, ipſum tamen ſuſtentat, netanta velocitate feratur
              <lb/>
            deorſum, non ideo ipſius grauitati aliquid detrahit, neque
              <lb/>
            enim ex velociori motu ſimpliciter inferri poteſt maior gra-
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            uitas, illud enim valeret etiam in aere, quod eſt falſum, ſed
              <lb/>
            ne huiuſmodi dubitatio veritatis ſpecie aliquem decipiat, ſe-
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            quenti Theoremate eam deſtruere agrediar.</s>
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          <head xml:id="echoid-head32" xml:space="preserve">THEOREMA VIII. PROPOS. XVI.</head>
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            <s xml:id="echoid-s731" xml:space="preserve">COrpora eiuſdem generis, & </s>
            <s xml:id="echoid-s732" xml:space="preserve">grauitatis grauiora
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            quam aqua, etſi diſsimilia, æqualem in aqua
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            grauitatem habent.</s>
            <s xml:id="echoid-s733" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s734" xml:space="preserve">SINT duo eiuſdem generis, & </s>
            <s xml:id="echoid-s735" xml:space="preserve">grauitatis corpora A, B, grauiora
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            quam aqua, & </s>
            <s xml:id="echoid-s736" xml:space="preserve">ſint diſſimilia, dico ipſa corpora æqualem in aqua
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            grauitatem habere. </s>
            <s xml:id="echoid-s737" xml:space="preserve">ſit enim ſi fieri poteſt corpus A, leuius corpore </s>
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