Marci of Kronland, Johannes Marcus, De proportione motus figurarum recti linearum et circuli quadratura ex motu, 1648

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          <chap>
            <p type="main">
              <s>
                <pb xlink:href="063/01/082.jpg"/>
                <arrow.to.target n="fig20"/>
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              AV pars quinta EV. </s>
              <s>Et quia quadratum E Veſt æquale re­
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              ctangulo contento AV,
                <expan abbr="atq;">atque</expan>
              huius complemento ad diame­
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              trum circuli; EV verò aſſumpta partium 10, qualium AV eſt
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              2; erithuius complementum partium 50: & tota diameter 52. </s>
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              <s>Rurſum quia CG eſt tripla AC: illius verò quadratum æqua­
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              le rectangulo contento AC, atq, huius complemento ad dia­
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              metrum circuli; eſt verò quadratum CG partium 900, & AC
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              partium 10; erit reſiduum ſegmentum partium 90: tota verò
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              diameter partium 100. eſt verò eadem
                <expan abbr="quoq;">quoque</expan>
              partium 52. </s>
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              <s>Non igitur linea motûs AEF GHI eſt peripheria circuli. </s>
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              <s>Dico
                <expan abbr="neq;">neque</expan>
              eſſe parabolam. </s>
              <s>Sit enim ſi fieri poteſt, linea para­
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              bolæ. erit
                <expan abbr="itaq;">itaque</expan>
              ut recta AC ad rectam AV, ita quadratum
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              ſemiordinatæ CG ad quadratum ſemiordinatæ VE. et quia
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              CG eſt tripla VE; erit eiuſdem quadratum noncuplum ad illud
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              quadratum. </s>
              <s>At verò AC ad AV eſt ut 10 ad 2, hoc eſt quin­
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              tupla. non igitur ut AC ad AV, ita quadratum CG ad qua­
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              dratum VE: ac proinde linea AE FG &c. non eſt parabola. </s>
            </p>
          </chap>
        </body>
      </text>
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