Descartes, René, Renati Des-Cartes principia philosophiae

Page concordance

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              pelluntur: & poſtquam ad D pervenerunt, ibi tranſ­
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              verſim jacentes ſupra ſuperficiem iſtius Corporis C
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              non facilè meatibus occurrunt, per quos in ipſum
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              regredi poſſint. </s>
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              XXXV.
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              Particulas tantùm
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              unius generis in iſto
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              corpore contineri. <15</s>
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              10</s>
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              15</s>
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              Sic itaque multue oblongae particulae tertii
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              verſus D congregatae ſunt, & quamvis initio non fue­
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              rint inter ſe perfectèaequales nec ſimiles hoc tamen
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              commune habuerunt, quòd nec ſibi mutuò, nec aliis
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              tertii elementi particulis facilè poſſent adhaerere
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              quòdque à materiâ coeleſti ipſas
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              move­
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              rentur; propter hanc enim proprietatem à corpore C
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              exceſſerunt, atque in D ſunt ſimul collectae; cùmque
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              ibi materia coeleſtis aſſiduè circa illas fluat, efficiatque
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              ut variis motibus cieantur, &, unae in aliarum loca
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              tranſmigrent, ſucceſſu temporis fieri debuerunt laeves
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              15
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              &steretes, & quam-proximè inter ſe aequales, atque ad
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              duas tantùm ſpecies reduci. </s>
              <s>Nempe, quae ſuerunt ſatis
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              tenues, ut ab illo ſolo impetu, quo à materiâ coeleſti
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              agebantur, flecti poſſent, circa alias paullò craſſiores,
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              quae ſic flecti non poterant, convolutae, ipſas
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              detulerunt. </s>
              <s>Atque hae duae particularum ſpecies, flexi­
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              lium ſcilicet atque inflexilium, ſic junctae faciliùs per­
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              ſeveràrunt in ſuo motu, quàm ſolae flexiles, vel ſolae
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              inflexiles potuiſſent: unde factum eſt, ut ambae in cor­
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              pore D remanſerint; atque etiam ut illae quae initio
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              circa alias flecti potuerunt, poſtea ſucceſſu temporis,
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              aſſiduo uſu ſe inflectendi, magis & magis flexiles red­
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              derentur fierentque inſtar anguillarum aut brevium
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              funiculorum alias autem, cùm nunquam flecterentur,
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              ſi quam ante `flexilitatem habuerint, eam
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              amitterent, ac telorum inſtar rigidae manerent. </s>
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