Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646
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              debere fuiſſe ab eo falſam accelerati motus definitionem
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              institutam.
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              <s id="s.000863">Quòd fueris autem cauſatus ipſum
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              ſuam
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              illam Definitionem experientia certa, ac euidenti non con­
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              firmaſſe;
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              agnoſce quæſo tu-ne certiore, ac euiden­
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              tiore
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              tuam
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              confirmâris.
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              Tuam,
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              inquam; namlicet eam
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              ſemper eſſe repetas
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              vulgò receptam communemque;
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              ec­
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              qui
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              tamen illi ſunt, qui eodem
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              modo definiunt?
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              <s id="s.000864">Galileus certè eam non vt receptam, communemque
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              impugnauit, ſed vt eam, quæ poſſet fortè ab aliquo ex­
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              cogitari. </s>
              <s id="s.000865">Verumtamen id obiter. </s>
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              Deinde, non minùs rectè aliter quoque vniformis accele­
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              ratio haberi poteſt, vt ſtatim conſtabit: Satis-ne igitur Gali­
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              lei definitio inde perfecta concluditur, quòd eà ſeruatâ vnifor­
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              mis acceleratio habeatur?
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            <p type="main">
              <s id="s.000867">Ita profectò, ſi per eam conſtet, quid ſit motum
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              accelerari, & accelerari æquabiliter; neque id vulgari,
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              ſiue potiùs tua, de qua dicis mox conſtiturum, perinde
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              præſtetur. </s>
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              Vt autem probes,
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              quàm rectè iuxta Galilei
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              mentem, acceleratio illa
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              motus habeatur, iu­
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              bes concipere duas li­
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              neas
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              AB,
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              &
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              AC,
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              angulum conſtituentes in
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              A,
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              & tertiam
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              VX
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              per
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              anguli apicem
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              A
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                <expan abbr="ince-dentẽ">ince­
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                dentem</expan>
              , & cùm prioribus
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              duabus angulos vtrim­
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              que æqualeis conſtituentem: hanc, ſeruatâ ſemper eadem
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