Descartes, René
,
Renati Des-Cartes principia philosophiae
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finximus enim eam genitam eſſe ex eo, quòd parti
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culae ſecundi elementi, nondum ſphaericoe, ſed angu
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loſae, ac totum ſpatium in quo erant implentes, mo
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veri non potuerint, quin earum anguli attererentur,
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ac minutiae, ab iis attritu iſto ſeparatae, figuras ſuas
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diverſimodè mutarent, pro ratione diverſi loci occu
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pandi, ſicque primi elementi formam aſſumerent;
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nuncque adhuc eodem modo putamus, illud pri
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mum elementum inſervire implendis omnibus ſpatio
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rum anguſtiis, quae circa alia corpora reperiuntur. </
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Unde manifeſtum eſt unaſquaſque ex ejus minutiis
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majores initio non fuiſſe quàm anguli particularum
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ex quibus exſcindebantur; ſive quàm ſpatium, quod
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tres globuli, ſe mutuò contingentes, in medio ſuî
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relinquunt; atque ideò quaſdam ex ipſis plan indi
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viſas manere potuiſſe, dum alize interim egredientes
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ex anguſtis ſpatiis, quorum figura mutabatur magis
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&smagis, indefinitè dividi debuerunt. </
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Cauſâ, tres globuli A, B, C,
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duo primi A & B, ſe mutuò tangentes
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in G, circa propria centra tantùm
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vertantur, dum interim tertius C,
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tangens primum in E, volvetur ſupra
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ipſum ab E verſus I, donec puncto D
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tangat ſecundum in puncto F: mani
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feſtum eſt materiam primi elementi, quae continetur
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in ſpatio triangulari FGI, ſive ex pluribus ramentis
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conſtet, ſive tantùm ex uno, poſſe interim manere im
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motam; ſed illam quae eſt in ſpatio ſIED neceſſariò
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moveri, & nullum tam exiguum ejus ramentum inter
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puncta D & F poſſe deſignari, quod non ſit majus eo </
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