Iordanus <Nemorarius>, Iordani opusculum de ponderositate

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              <p>
                <pb xlink:href="049/01/011.jpg"/>
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            <subchap1>
              <p>
                <s id="id.2.5.00.01">Quaestio quarta.
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                </s>
              </p>
              <p>
                <figure id="id.049.01.011.1.jpg" xlink:href="049/01/011/1.jpg" number="7"/>
                <s id="id.2.5.01.01">Quum fuerint appensorum po­
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                ndera aequalia, non faciet nutum
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                in aequilibri appendiculorum in­
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                aequalitas.
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                </s>
              </p>
              <p>
                <s id="id.2.5.02.01">Sit responsa a, b, c, centrum c, et
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                appendicula a, d, et b, e, longius au
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                tem b, e, appensa b, e, descendatque c,
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                z, y, orthogonaliter quantumlibet, et
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                ductis d, z, et e, y, aeque distantibus re­
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                spondere, et positis centris in z, et y,
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                circunducantur quartae circulorum
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                per d, et, e. </s>
                <s id="id.2.5.02.02">Et quoniam d, z, et e, y,
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                sunt aequales, erunt et quartae circu­
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                lorum aequales. et quia per illorum
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                circunferentias est descensus d, et c,
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                quum aeque ponderosa sint d, et e, et
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                aeque obliquus, descensus in hoc situ
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                aeque grauia erunt. </s>
                <s id="id.2.5.02.03">Non ergo nuta­
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                bit hinc, uel inde responsa. </s>
                <s id="id.2.5.02.04">Quod
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                autem per illas sit illorum descensus,
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                sic constet. </s>
                <s id="id.2.5.02.05">Describatur enim semi­
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                circulus circa centrum c, secundum
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                quantitatem b, et a, et dimittatur a,
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                in m, et b, in n, descendantque ab m,
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                et n, ad quartarum circunferentias
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                lineae m, x, et n, h, aeque distantes c,
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                x, dico quód m, x, adaequatur a, d, et
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                n, h, aequalis est b, e, quod patet ductis
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                lineis z, x, y, h. </s>
                <s id="id.2.5.02.06">Quum ergo semper de­
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                scendant a, et b, per hunc semicircu­
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                lum descendunt etiam d, et e, per de
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                scriptas quartas, et hoc fuit demon­
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                strandum. </s>
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            </subchap1>
            <subchap1>
              <p>
                <s id="id.2.6.00.01">Quaestio quinta.
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                </s>
              </p>
              <p>
                <figure id="id.049.01.011.2.jpg" xlink:href="049/01/011/2.jpg" number="8"/>
                <s id="id.2.6.01.01">Si brachia librae fuerint inae­
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                qualia, aequalibus appensis ex
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                parte longiore nutum faciet. </s>
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          </chap>
        </body>
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