Marci of Kronland, Johannes Marcus, De proportione motus figurarum recti linearum et circuli quadratura ex motu, 1648
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              pla, per 1. lemma: erit grauitas quieſcens in
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              triangulo
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              æqualis; ac proinde æqualiter grauitabit. </s>
              <s>At verò ſi augeatur
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              ratio grauitatis moventis ad quieſcentem; quia tum minor
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              grauitas quieſcit, minùs
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              hypomochlium grauitabit. </s>
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              THEOREMA XV.
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              Figura rectilinea, quæ plura habet latera, velociùs mouetur in
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              eodem plano inclinato.
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              <s>Moveatur in eodem plano AN triangulum ABC, & quadra­
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              tum AEFC: Dico huius motum eſſe velociorem. </s>
              <s>Secetur
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              enim in triangulo ABC ſemidiameter figuræ motûs DI â li­
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              neâ hypomochlij CL bifariam & æqualiter in L, per primum
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              lemma: & ducatur in quadrato AEFC ſemidiameter figuræ
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              motûs GH: quæ maior erit ſemidiametro figuræ motûs DI. </s>
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              <s>Propterea quòd per lemma 3 maior ſit GO quàm DO. </s>
              <s>Etad­
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              ditâ communi OP maior GP, quàm DP. </s>
              <s>Et quia ut GP ad
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