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

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              <s>In eadem figurâ, quoniam eſt ut FM ad GN, ita FH ad GI
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              per theor. 12. erit
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              HM ad IN, ut FH ad GI. </s>
              <s>Sed FH
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              eſt maior quàm GI per idem theorema: igitur & HM maior
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              quam IN. </s>
              <s>Et quia HM
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              IN eſt impulſus quieſcens per
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              theor. 9. maior granitas quieſcet in triangulo maiori, ac proin­
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              de ſuum planum magis gravitabit. </s>
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              LEMMA I
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              Inclinationem plani invenire: in quo ſemidiameter figuræ motûs
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              ſecetur ab hypomochlio in datâ ratione.
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              <s>Producatur latus AC in I; & ſit AI ad CI in datâ ratione:
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              ex I verò per centrum figuræ D agatur linearecta IF:
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              huic
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              ex angulis C & A parallelæ CE. AH: quas ſecet ad angulos re­
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              ctos, linea ex centro ducta DH. </s>
              <s>Dico lineam DH, hoc eſt ſemi­
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              diametrum figuræ motûs, ſectam eſſe in datâ ratione. </s>
              <s>Ex
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              F enim protrahatur linea FK parallela DH;
                <expan abbr="eritq;">eritque</expan>
              FK ad FL,
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              hoc eſt DH ad DG, ut AF ad EF. </s>
              <s>Sed ut AF ad EF ita AI ad
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              CI, hoc eſt in datâ ratione. </s>
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Impressum