Theodosius <Bithynius>; Clavius, Christoph
,
Theodosii Tripolitae Sphaericorum libri tres
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eum EF, atq; </
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ablatis femidiametris æqualibus AD, AE, ſegmentum DG, ſeliquum minus ſit ſegmen-
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to reliquo EH, &</
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qualiú tan-
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gens maio-
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ris ad tan-
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gentem mi
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noris pro-
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portionem
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habet maio
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rem, quam
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fecans ma-
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ioris ad ſe-
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cantem mi
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noris.</
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minoris arcus maioré proportionem habet, quá
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ſecans maioris eiuſdem arcus ad ſecantem eiuſdé
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minoris.</
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Dico maiorem eſſe proportionem tágentis CI,
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ad tangentem CH, quàm ſecantis AI, ad ſecan
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tem AH. </
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ita AI, ad IC: </
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ad HC. </
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metri AF, ad FM, quàm ſemidiametri AE ad,
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EN; </
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ior ſit ſinu EN, minoris arcus CE, vt in ex-
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poſitione definitionum dictum eſt. </
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quoq; </
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ad HC: </
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tio AI, ad AH, quàm IC, ad HC; </
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gens CI, ad tangentem CH, habebit maiorem
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proportionem, quàm ſecans AI, ad ſecantem AH. </
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cus maioris ad tangentem minoris arcus, &</
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tium atque ſecantium.</
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