Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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              Cap. 7. dę
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              natura flui­
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              ditatis.</s>
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              <s id="s.001522">QVærimodo debet ſignum ex quo lumine natu­
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              ræ euidentiſſimè dignoſcere valeamus an ali­
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              quod corpus actu diuiſum ſit implùres partes, vel ſit
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              vnum continuum, licèt prædictæ partes ob exiguita­
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              tem, vel tranſparentiam earum ſint inconſpicuæ, &
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              inobſeruabiles; hoc autem
                <expan abbr="ſignũerit">ſignum erit</expan>
              motus, & quies,
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              ſcilicèt ſi conſtat quòd vna pars A compoſiti mouetur
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              varijs modis
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              relique adiacentes partes B, H, E, CI,
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              &c. </s>
              <s id="s.001523">in eodem ſitu quieſcunt, certum erit partem
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              agitatam A à reliquis diſciſſam, & diſcretam eſſę.
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              <s id="s.001524">at quando omnes partes eiuſdem compoſiti mouen­
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              tur, videndum qua ratione
                <expan abbr="euidẽtèr">euidentèr</expan>
              dignoſcere poſ­
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              ſimus an prædictæ partes ſint continuatæ, & vnitæ,
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              vel ab inuicem diuiſæ, & profectò non ſemper inæ­
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              qualitas motuum indicat diuiſionem potiùs quàm̨
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              continuitatem, nam in vertigine rotæ ſolidæ, & du­
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              ræ earum particulæ licèt tenaciter ei affixæ, & con­
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              nexæ ſint, nihlominùs mouentur inæqualibus veloci­
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              tatibus ſecundùm proportionem, quam habent di­
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              ſtantiæ ab axi firmo eiuſdem rotæ circumductæ, igi­
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              tur in aliquo fluido reuoluto ſi orbes ab eius particu­
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              lis eodem tempore deſcripti maiores fuerint, quo
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              magis ab axe reuolutionis recedunt, & ſecundùm̨
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              proportionem diſtantiarum, dubitare profectò poſ­
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              ſumus an particulæ prædicti fluidi ſint continuatæ, an
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              verò actu diſcretæ. </s>
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              <s id="s.001525">Hinc deducitur, quòd ſi in rotæ vertigine vna eius
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              pars magis, vel minùs, quàm priùs à centro recedat,
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              vel celeriori, aut tardiori motu feratur, quàm com-</s>
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