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

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              <s id="s.002912">
                <pb pagenum="543" xlink:href="010/01/551.jpg"/>
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              ſpatia illa vacua in inſtanti creata; & præterea ob fi­
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              guras ſolidas non poſſunt omninò replere inanitates
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              illas vt priùs dictum eſt. </s>
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            <p type="margin">
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              Cap. 12. dę
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              vacui neceſ­
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              ſitate.</s>
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            <p type="main">
              <s id="s.002914">Secundò omiſſo motu partium aquæ, vel aeris, lo­
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              quamur de motu partium
                <expan abbr="eiuſdẽ">eiuſdem</expan>
              fluidi ætherei,
                <expan abbr="oſtẽ-detur">oſten­
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                detur</expan>
              , vt priùs ad motiones varias
                <expan abbr="particularũ">particularum</expan>
              æthe­
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              ris neceſſariò vacuitates in eorum motu oriri debe­
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              re, cùm non minùs ætheris particulæ ex quibus pri­
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              mùm componitur, quantæ, figuratæ, & duræ ſint. </s>
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              Ex corolli
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              pr. 261.</s>
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              <s id="s.002916">Poſſumus ergo ex his omnibus non ineptè
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                dere</expan>
              , quod ex eò quòd datur motus, admitti quoque
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              debeat vacuum diſſeminatum intra particulas com­
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              ponentes corpora conſiſtentia, & fluida, ſaltem
                <expan abbr="tũc">tunc</expan>
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              temporis, cùm motus efficitur. </s>
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              PROP. CCLXX.
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              Etiam corpora quieſcentia intra eorum poroſitates innu­
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              mera ſpatiola vacua admittere debere.
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              </s>
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            <p type="main">
              <s id="s.002919">QVia ſi non repugnat, immò
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              eſt, vacua
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              ſpatiola admitti debere, tunc temporis cùm
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              motus efficitur, quid vetat
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              vacua diutiùs perſe­
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              uerare extincto motu, dum fluidum omninò quieſcit?
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              </s>
              <s id="s.002920">hoc profectò in fluido omnium rariſſimo, & ſubtiliſ­
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              ſimo, qualis eſt ſubſtantia ætherea, affirmari debere
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              videtur planè neceſſarium, & conſequentèr in alijs
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              corporibus à prædicto æthere repletis: nam cùm eius
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              minimæ particulæ ſint quantæ, duræ, & varijs figuris
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              præditæ, videtur impoſſibile, vt exacta vnione ad in­
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              uicem conſtipari ſemper, & vbique queant, vt pror­
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              sùs ſpatium compleant, cùm cuſpides earum ad
                <expan abbr="vnũ">vnum</expan>
              </s>
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          </chap>
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