DelMonte, Guidubaldo, In duos Archimedis aequeponderantium libros Paraphrasis : scholijs illustrata
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              14.
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              huius.
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              1.
                <emph type="italics"/>
              ſexti.
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              1.
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              ſexti.
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              1.
                <emph type="italics"/>
              ſexti.
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            <figure id="id.077.01.109.1.jpg" xlink:href="077/01/109/1.jpg" number="67"/>
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              <s id="N13F68">ALITER. </s>
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            <p id="N13F6A" type="main">
              <s id="N13F6C">Sit rurſus triangulum ABC, & AD BE ab angulis ad di
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              midias baſes ductæ ſint erit vti〈que〉 punctum, F (vbi ſe in
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              cen fecant) centrum grauitatis triangulb ABC. Drco AF a­
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              pſius FD duplam eſſe. </s>
              <s id="N13F77">Iungatur DE. Quoniam enim BC
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                <arrow.to.target n="fig49"/>
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              AC in punctis DE bifariam ſecantur; erit
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              CD ad DB, vt CE ad EA. linea igitur
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              DE ipſi AB eſt æquidiſtans. </s>
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                <arrow.to.target n="marg164"/>
              trian­
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              gulum ABC ſimile eſt triangulo
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              ac propterea ita eſt BC ad CD, vt AB
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              ad DE. eſt autem. </s>
              <s id="N13F93">BC dupla ipſius CD
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              (ſiquidem punctum D bifariam diuidit
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              BC) erit igitur AB dupla ipſius DE. At
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              vero quoniam AB DE ſunt parallelæ, erit triangulum AFB
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              triangulo EFD ſimile. </s>
              <s id="N13F9D">& vt AB ad ED, ita AF ad FD,
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              autem AB ipſius ED dupla, ergo AF ipſius FD dupla
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              exiſtit. </s>
              <s id="N13FA6">quod demonſtrare oportebat. </s>
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            <p id="N13FA8" type="margin">
              <s id="N13FAA">
                <margin.target id="marg163"/>
              14.
                <emph type="italics"/>
              huius.
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              </s>
            </p>
            <p id="N13FB3" type="margin">
              <s id="N13FB5">
                <margin.target id="marg164"/>
              2.
                <emph type="italics"/>
              ſexti.
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            </p>
            <p id="N13FBE" type="margin">
              <s id="N13FC0">
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              4.
                <emph type="italics"/>
              ſexti.
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            </p>
            <p id="N13FC9" type="margin">
              <s id="N13FCB">
                <margin.target id="marg166"/>
              4.
                <emph type="italics"/>
              ſexti.
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              </s>
            </p>
            <figure id="id.077.01.109.2.jpg" xlink:href="077/01/109/2.jpg" number="68"/>
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              <s id="N13FDA">Exijs, quæ demonſtrata ſunt, oſtendemus, quod paulò an
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              te propoiuimus, nempè cùm lineæ AD BE bifariam ſecent
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              BC CA. Dico lineam CF productam bifariam quo〈que〉 ſe­
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              care ipſam AB. </s>
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            <p id="N13FE2" type="main">
              <s id="N13FE4">Producatur enim (ijsdem poſitis) CFGH; quæ lineam
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                <arrow.to.target n="fig50"/>
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              AB ſecet in G. & à puncto B
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              ipſi AD æquidiſtans ducatur
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              BH. quæ ipſi CG occuriat in
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              H. Quoniam igitur FD, eſt i­
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              pſi BH ęquidiſtans, erit CD
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              ad DB, vt CF ad FH.
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              ve­
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              rò eſt æqualis BD; ergo CF ipſi
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              FH æqualis exiſtit. </s>
              <s id="N13FFF">ac propterea
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              CH dupla eſt ipſius (F. At ve­
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              rò quoniam ob ſimilitudinem
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                <expan abbr="triangulorũ">triangulorum</expan>
              CBH CDF, ita eſt
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              HC ad CF, vt BH ad DF; erit & BH ipſius FD duplex. </s>
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          </chap>
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