Theodosius <Bithynius>; Clavius, Christoph
,
Theodosii Tripolitae Sphaericorum libri tres
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K I, K L, vtroque K Y, K X, maior eſt. </
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<
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">Et quoniam recta per K, & </
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ducta, id eſt, communis ſectio maximorum circulorum G H, E Y, ſecat pla-
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num paralleli Q R, extra ſphæram, ſi recta illa, & </
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<
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producantur ad partes K, vt in demonſtratione propoſ. </
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eſt; </
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arcus O Q, æqualis eſt; </
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">Sunt enim ſemicirculi, quorum vnus ex A, per B, al-
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ter vero ex E, per K, ducitur, non conuenientes, vt ex ijs, quæ in demonſtra-
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tione propoſ. </
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ior erit arcu O Q. </
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demonſtrandum erat.</
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ræ circulum tangat, aliquis autem alius maximus
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circulus obliquus ad parallelos tangat circulos ma
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iores illis, quos tangebat maximus circulus primo
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poſitus, fuerintque eorum contactus in maximo
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circulo primo poſito; </
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<
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circulo æquales circunferentiæ continuæ ad eaſ-
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dem partes maximi parallelorum, perque puncta
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terminantia æquales circunferentias deſcribantur
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maximi circuli, qui & </
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quem tangebat maximus circulus primo poſitus,
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& </
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habeantque eos ſemicirculos, qui tendunt à pun-
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ctis contactuum ad puncta terminantia æquales
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obliqui circuli circunferentias, per quæ deſcribun-
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tur, eiuſmodi, vt minime conueniant cum illo cir
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culi maximi primo poſiti ſemicirculo, in quo eſt
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contactus obliqui circuli inter apparentem po-
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lum, & </
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