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

Table of figures

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              <s id="s.002687">
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              ſitum, qui fieri poteſt nedum in fluido, ſed etiam in
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              ſpatio inani, per quamlibet directionem, quam im­
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              preſſa vis motiua deſignauerit, ergo licèt in vacuo di­
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              rectiones infinitę in eo deſignabiles non ſint deter­
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              minatæ, nec habeant nomina propria, non proindè
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              ſequitur non poſſe in eo deſignari, & ſic effici motus
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              per quamcumque directionem. </s>
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            <p type="margin">
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              Cap. 8.</s>
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              Cap. 12. dę
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              vacui neceſ­
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              ſitate.</s>
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              <s id="s.002690">Quartò ſic ait,
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              mouentur proiecta ex eo quod quando
                <expan abbr="nõn">non</expan>
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              tanguntur, tunc ob anthiprestaſim, aut quia pulſus aer mo­
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              tu pellit celeriori, quàm ſit ea latio pulſi, at in vacuo nihil
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              horum eſſe potest, neque fit vt quicquam feratur niſi vt
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              quod vehitur.
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              <s id="s.002691"> Vt pateat in efficacia argumenti Ariſto­
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              telis, concedatur, quod in vacuo ob carentiam medij
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              fluidi proiectio fieri non poſſit, non inde ſequitur va­
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              cuum minimè dari poſſe, nam remaneret ſolummodò
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              motus naturalis in vacuo, & hic
                <expan abbr="vnã">vnam</expan>
              cum proiectitio
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              in pleno fluido fieri poſſet, neque Ariſtot. oſtendit
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              hoc eſſe abſurdum. </s>
              <s id="s.002692">Omitto falſiſſimum eſſe proiecta
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              moueri à medio fluido poſtquam à proijciente deſe­
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              runtur, ſed à vi motiua ipſis communicata promoue­
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              ri, vnde ſequitur, quòd benè in ſpatio vacuo proie­
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              ctio fieri poſſet multò meliùs quàm in ſpatio pleno
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              fluido, cum vis motiua proiecto impreſſa nullo pacto
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              impediatur ab inani ſpatio, ſicuti à medio fluido
                <expan abbr="sũ-mopere">sun­
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                mopere</expan>
              impeditur retardaturque. </s>
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            <p type="margin">
              <s id="s.002693">
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              De vi per­
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              cuſs. </s>
              <s id="s.002694">c 3. & 4.</s>
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            <p type="main">
              <s id="s.002695">Quintò,
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              nemo dicere potest propter quid quod mouetur
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              stabit alicubi, cur enim magis hic,
                <expan abbr="quã">quam</expan>
              alibi; quare aut quie­
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              ſcat, aut in infinitum feratur neceſsè eſt, ſi non
                <expan abbr="potẽtius">potentius</expan>
              quic­
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              piam impedierit.
                <emph.end type="italics"/>
              </s>
              <s id="s.002696"> Reſponderi poteſt optimè procede-</s>
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