Theodosius <Bithynius>; Clavius, Christoph
,
Theodosii Tripolitae Sphaericorum libri tres
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<
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">SI polus parallelorum ſit in circunſerentia ma-
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ximi circuli, quem duo alij maximi circuli ad an -
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gulos rectos ſecent, quorum circulorum alter ſit
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vnus parallelorũ, alter verò ad parallelos obliquus
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ſit: </
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<
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">ab hoc obliquo circulo ſumantur æquales
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circunferentiæ, quæ continuæ quidem non ſint,
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ſed tamen ſint ad eaſdem partes maximi illius pa-
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ralleli; </
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les circunferentias terminantia deſcribantur ma-
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ximi circuli: </
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">Inæquales circunferentias de maxi-
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mo parallelo intercipient, quarum ea, quæ pro-
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pior erit maximo circulo primo poſito, ſemper
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erit maior remotiore.</
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<
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">IN circunſerentia maximi circuli A B, ſit A, polus parallelorum, eum-
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que ſecent duo maximi circuli B C, D C, ad angulos rectos, quorum B C,
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ſit maximus parallelorum, & </
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<
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tur arcus æquales non continui E F, G H: </
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A, deſcribantur maximi circuli A E I, A F K, A G L, A H M. </
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maiorem eſſe arcu K I. </
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E F, G H, commenſurabilis eſt, aut incommen
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ſurabilis. </
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uenta autem maxima communi menſura X,
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diuidantur tres arcus E F, F G, G H, in par-
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tes ipſi X, æquales, vt in prima figura appa-
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ret; </
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<
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circuli maximi ducantur. </
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cus E Q, Q F, F P, &</
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ior erit arcus M R, arcu R L, & </
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quàm L, S, &</
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quàm K V, & </
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totus M L, maior toto K I. </
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ſitum.</
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<
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commenſurabilis vtrique arcuum æqualium E F, G H. </
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M L, maiorem eſſe arcu K I. </
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lis. </
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