Descartes, René, Renati Des-Cartes principia philosophiae

Page concordance

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              CLXI.
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              Cur magnes nihil amit­
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              tat de ſuâ vi, quam­
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              vis eam ferro com­
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              municet b. </s>
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              20</s>
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              25</s>
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              Et breviſſimo tempore iſta vis ferro accedit, quia
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              particulae ſtriatae celerrimè per ipſum fluunt; ſed
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              longâ morâ in eo confirmatur, quia quò diutius ra­
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              mulorum extremitates in unam partem flexae manſe­
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              runt, eò difficiliùs in contrariam reflectuntur.
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              CLXII.
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              Cur haec vis celerrimè
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              ferro communicetur,
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              ſed diuturnitate tem­
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              poris in eo confirme­
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              tur a. </s>
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              5</s>
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              Et chalybs iſtam vim majorem accipit quàm vilius
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              ferrum, quia plures & perfectiores habet meatus, par­
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              ticulis ſtriatis recipiendis idoneos. </s>
              <s>Eamque conſtan­
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              tiùs ſervat, quia ramulorum in iis meatibus promi­
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              nentium extremitates habet minùs flexiles.
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              CLXIII.
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              Cur chalybs ad eam
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              recipiendam aptior
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              ſit, quàm vilius fer­
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              rum b. </s>
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              10</s>
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              Et major ei communicatur à majore & perfectiore
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              magnete: tum quia particulae ſtriatae, majori cum im­
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              petu in ejus meatus irruentes, ramulorum in iis pro­
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              minentium extremitates magis inflectunt; tum etiam
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              quia plures ſimul eò ruentes, plures ejuſmodi
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              ſibi aperiunt. </s>
              <s>Notandum enim eſt, plures eſſe tales
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              meatus in chalybe, qui ſcilicet ex ſolis ferri ramentis
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              conſtat, quàm in magnete, in quo multum e:ſt materiae
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              lapideae, cui ferri ramenta infixa ſunt; atque ideò,
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              cùm paucae tantùm particulae ſtriatae ex
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              debili ferrum ingrediantur, non omnes ejus meatus
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              aperiunt, sed paucos tantùm, & quidem illos, qui
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              extremitatibus ramulorum quam-maximè flexilibus
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              claudebantur. </s>
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              CLXIV.
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              Cur major ei commu­
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              nicetur à perfectiore
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              magnete quàm à mi­
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              nùs perfecto c. </s>
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              15</s>
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              20</s>
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              Unde fit ut etiam vile ferrum, in quo ſcilicet
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              ramulorum extremitates ſunt valde flexiles, ab ipſâ
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              Terrâ, magnete quidem maximo, ſed admodùm </s>
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