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

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              60; habebit hic ad PT maiorem rationem, quàm GP. </s>
              <s>Eſt au­
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              tem ut GP ad PT, ita TR ad RG: velocior ergo motus cen­
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              tri A,
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              huius parallelorum inter G & T, quàm ſit motus or­
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              biculi C, quo à contactu orbiculi A ſe abducit: neceſse pro­
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              inde centrum A prohibitum à contactu viam proximam ſequi:
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              hoc eſt per tangentem circuli centro G deſcripti. </s>
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              THEOREMA XX.
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              Si plures orbiculi tangant alium maiorem; percutiat verò hunc æ­
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              qualis; omnes contigui unà cum orbiculo maiore movebuntur.
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              <s>Tangant orbiculum
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              k
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              quotlibet alij minores
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              g. b. m. i:
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              per­
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              cutiat verò hunc æqualis
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              l:
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              dico orbiculos
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              g. h. m. i
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              unà cum
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              orbiculo
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              k
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              moveri ex illâ plagâ. </s>
              <s>Erit enim ex demonſtratis
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              Theor: 16 ut
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              kz
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              ad
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              nz
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              ita plaga orbiculi
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              h
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              ad plagam orbi­
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              culi
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              m:
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              & ut
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              nz
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              ad
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              yz,
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              ita plaga in
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              m
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              ad plagam in
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              i.
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              Quòd
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              idem de plagâ orbiculi
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              g
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              dicendum. maior
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              omnibus pla­
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              ga eſt in
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              h.
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              Quia verò plaga ſequitur impulſum, quo </s>
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