Descartes, René, Renati Des-Cartes principia philosophiae

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              quo fit ut planè ſphaerici
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              reddantur
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              142
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              87. </s>
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              Varios eſſe gradus celerita­
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              tis in minutiis primi ele­
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              menti
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              È
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              88. </s>
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              Eas ejus minutias quae mi­
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              nimùm habent celeritatis,
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              facilè idipſum quod ha­
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              bent aliis transferre, ac ſibi
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              mutuò adhaerere
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              144
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              89. </s>
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              Tales minutias, ſibi mutuò
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              adhaerentes, praecipuè in­
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              veniri in eâ materiâ primi
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              elementi, quae à polis ad
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              centra vorticum fertur
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              È
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              90. </s>
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              Qualis ſit figura iſtarum
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              minutiarum, quae particu­
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              lae ſtriatae deinceps voca­
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              buntur
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              È
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              91. </s>
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              Iſtas particulas, ab oppoſi­
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              tis polis venientes, contra­
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              rio modo eſſe intortas
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              145
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              92. </s>
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              Tres tantùm ſtrias in ipſis
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              eſſe
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              È
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              93. </s>
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              Inter particulas ſtriatas, &
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              omnium minutiſſimas, va­
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              rias eſſe aliarum magnitu­
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              dines in primo elemento
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              147
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              94. </s>
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              Quomodo ex iis maculae in
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              Solis vel ſtellarum ſuperfi­
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              cie generentur
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              È
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              95. </s>
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              Hinc cognoſci praecipuas
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              harum macularum pro­
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              prietates
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              148
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              96. </s>
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              Quomodo iſtae maculae diſ­
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              ſolvantur, ac novae gene­
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              rentur
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              È
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              97. </s>
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              Cur in quarundam extre­
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              mitate colores iridis appa­
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              reant
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              È
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              98. </s>
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              Quomodo maculae in facu­
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              las vertantur, vel contrà
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              149
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              99. </s>
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              In quales particulas ma­
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              culae diſſolvantur
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              150
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              100. </s>
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              Quomodo ex ipſis aether
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              circa Solem & ſtellas gene­
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              retur. </s>
              <s>Huncque aetherem
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              &siſtas maculas ad tertium
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              elementum referri
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              150
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              101. </s>
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              Macularum productionem
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              &sdiſſolutionem à cauſſis
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              valde incertis pendere
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              151
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              102. </s>
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              Quomodo eadem macula
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              totum aliquod ſidus tegere
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              poſſit
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              È
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              103. </s>
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              Cur Sol aliquando viſus
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              eſt obſcurior; & cur qua­
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              rundam ſtellarum magni­
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              tudines apparentes mu­
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              tentur
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              152
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              104. </s>
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              Cur aliquae fixae diſpa­
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              reant, vel ex improviſo ap­
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              pareant
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              È
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              105. </s>
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              Multos eſſe meatus in ma­
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              culis, per quos liberè tran­
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              ſeunt particulae ſtriatae
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              153
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              106. </s>
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              Quae ſit diſpoſitio iſtorum
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              meatuum; & cur particulae
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              ſtriatae per illos retrogredi
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              non poſſint
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              154
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              107. </s>
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              Cur etiam quae veniunt ab
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              uno polo, non tranſeant
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              per eoſdem meatus, quàm
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              quae veniunt ab alio
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              È
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              108. </s>
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              Quomodo materia primi
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              elementi per iſtos meatus
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              fluat
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              155
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              109. </s>
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              Quòd alii etiam meatus
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              illos decuſſatim interſe­
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              cent
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              156
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              110. </s>
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              Quòd lumen ſtellae per
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              maculam vix poſſit tran­
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              ſire
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              157
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              111. </s>
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              Deſcriptio ſtellae ex impro­
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              viſo apparentis
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              158
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              112. </s>
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              Deſcriptio ſtellae paula­
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              tim diſparentis
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              160
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              113. </s>
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              In omnibus maculis mul­
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              tos meatus à particulis
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              ſtriatis excavari
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              161 </s>
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