Descartes, René
,
Renati Des-Cartes principia philosophiae
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pulſum materiae ipſam circumfluentis: atque interim ſi
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mutentur cauſae, ob quas priùs minuta fuerat illa vis,
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quâ materia vorticis O tendit verſus I, jamque è con
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tra augeatur, repelletur rurſus materia vorticis I à P
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verſus Y, & hoc ipſo materia primi elementi, ſupra
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maculam
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deſg
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diffuſa, minuetur, & ſimul novae ma
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culae in ejus ſuperficie generabuntur, quae paulatim
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ipſius lumen obtundent; & denique, ſi cauſa perſe
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veret, plan tollent, atque omnem locum iſtius mate
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riae primi elementi occupabunt. </
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>Cùm enim globuli
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vorticis I, qui ſunt in exteriori ejus circumferentiâ
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APBM, magis ſolito prementur, magis etiam pre
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ment illos, qui ſunt in interiori circumferentiâ xx,
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quique ita preſſi, & ramoſis particulis aetheris illius,
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quem circa ſidera generari diximus a, intertexti, non
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facilem tranſitum praebebunt particulis ſtriatis, aliiſve
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non minutiſſimis materiae primi elementi, ſupra ma
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culam
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deſg
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diffuſae: unde fiet, ut ipſae ibi perfacil` in
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maculas congregentur. </
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CXII.
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Deſcriptio ſtellae pau
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latim diſparentis. </
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Obiterque hîc eſt notandum, particulas ſtriatas in
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omnibus iſtis macularum corticibus continuos ſibi
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meatus excavare ac per omnes ſimul, tanquam per
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unam ſolam maculam, tranſire. </
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>Formantur enim iſtae
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maculae ex ipſâ materiâ primi elementi, & ideò ini
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tio ſunt molliſſimae, iſtiſque ſtriatis particulis facilem
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viam praebent. </
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>Quod idem de aethere circumfuſo dici
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non poteſt; quamvis enim craſſiores ejus particulae
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nonnulla etiam iſtorum meatuum veſtigia retineant,
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quoniam ex macularum diſſolutione genitae ſunt: quia
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tamen motui globulorum ſecundi elementi </
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