Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica
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jungo: </
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a
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+ a
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b, ab
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+ b
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, eodem modo quo componitur eadem
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quantitas ex terminis ba
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+ b
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a, 2b
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a; </
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<
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do, ſubſtrahendo, multiplicando, dividendo duo binomia
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a
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+ a
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b, ab
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+ b
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& </
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<
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">radices ex ultimo facto extrahendo,
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plura fiunt nomina in ultimo producto, quam ſi eodem mo-
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do adderentur, ſubducerentur, multiplicarentur, divideren-
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tur, binomium ba
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+ b
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a & </
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<
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a, & </
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<
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dem quoque radices ex facto extraherentur; </
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nomina in uno producto quam in altero, impoſſibile eſt ut
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ſint indefinitè æqualia, quod eſt propoſitum, reliqua enim
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ex priore demonſtratione haberi poſſunt.</
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">Obſcurum fortaſſis videbitur hoc theorema ob multas in-
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uſitatas in geometria voces quas hic adhibere oportet,
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& </
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">ob multa ſuppoſita lemmata, quæ demonſtrare pigebat,
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quoniam cuivis analyſtæ vel prima lectione ſunt obvia, ex
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natura enim operationum analyticarum omnino dependent.</
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triangulum A B P & </
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tendum eſt veriſſimum philoſophorum axioma, nempe omnem
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noſtram cognitionem à ſenſu ortum habere: </
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nes enim, ſola commenſurabilis ſenſu attingitur & </
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ab humana mente intelligitur; </
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<
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thematicis ſolummodo adhuc contemplatur, quatenus com-
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menſurabilis cujusdam rationis eſt ſubduplicata, ſubtriplica-
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ta, &</
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ſurabilis ex eo ſolummodo ab humana mente contemplatur,
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quod ex aliquot quantitatum cognitarum & </
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titati commenſurabilium additione, ſubductione, multiplica-
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tione, diviſione & </
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ex hactenus demonſtratis manifeſtum eſt ſectorem A B I P
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non poſſe componi ex additione, ſubductione, </
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