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. </
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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. </
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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. </
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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. </
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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. </
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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. </
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Tres tantùm ſtrias in ipſis
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eſſe
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È
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93. </
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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. </
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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. </
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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. </
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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. </
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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. </
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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. </
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In quales particulas ma
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culae diſſolvantur
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150
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100. </
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Quomodo ex ipſis aether
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circa Solem & ſtellas gene
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retur. </
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<
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. </
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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. </
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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. </
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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. </
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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. </
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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. </
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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. </
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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. </
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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. </
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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. </
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<
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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. </
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Deſcriptio ſtellae ex impro
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viſo apparentis
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158
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112. </
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Deſcriptio ſtellae paula
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tim diſparentis
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160
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113. </
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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 </
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