Descartes, René
,
Renati Des-Cartes principia philosophiae
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los A &
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a
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egredientes, verſus V & X tranſire poſſint. </
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CLIV.
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Cur interdum ſe invi
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cem refugiant a. </
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Et ex his facillimè intelligitur, cur ſi magnes ſece
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tur planèo parallele lineae per ejus polos ductae, ſeg
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mentumque liberè ſuſpendatur ſupra magnetem ex
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quo reſectum eſt, ſponte ſe convertat, & ſitum con
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trarium ejus quem priùs habuerat, affectet; ita ut, ſi
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partes A &
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a
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priùs junctae fuerint, item
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que
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B &
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b
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, poſtea
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b
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vertat ſe verſus A,
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&sa verſus B: quia nempe antea pars
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Auſtralis unius Auſtrali alterius juncta
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erat, & Borealis Boreali, poſt diviſionem
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verò particulae ſtriatae per Auſtralem
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partem unius egreſſae, per Borealem alterius ingredi
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debent; & egreſſae per Borealem, ingredi per Auſtralem. </
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CLV.
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Cur ſegmentorum ma
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gnetis partes, quae
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ante ſectionem junctae
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erant, ſectionem junctae
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erant, ſe mutuò etiam
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refugiant a. </
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Manifeſtum etiam eſt, cur ſi magnes dividatur planèo,
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lineam per polos ductam ad angulos
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rectos ſecante, poli ſegmentorum quae
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ante ſectionem ſe mutuò tangebant, ut
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b
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&
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a
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, ſint contrariae virtutis: quia parti
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culae ſtriatae, quae per unum ex iſtis polis egrediuntur,
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per alium ingredi debent. </
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CLVI.
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Cur duo puncta, quae
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prius in uno magnete
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contigua erant, in
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ejus fragmentis ſint
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poli diverſae virtu
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tis b. </
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2o</
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Nec minùs manifeſtum eſt, eandem eſſe vim in quâ
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vis magnetis parte ac in toto: neque enim iſta vis alia
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eſt in polis, quàm in reliquis partibus, ſed tantùm
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major videtur, quia per illos egrediuntur particulae
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ſtriatae, quae per longiſſimos magnetis meatus tranſie
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runt, & quae inter omnes ab eâ dem parte venientes
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mediae ſunt: ſaltem in magnete ſphaerico, ad cujus </
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