Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

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              <s id="s.001643">
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              dum tempora, & aggregata ſpatiorum ſola ſe habere
                <lb/>
              vt temporum (aut velocitatum proinde) quadrata.
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              </s>
              <s id="s.001644">Quare & retento eodem Schemate, ſic omnia con­
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              gruere mihi viſa ſunt, vt partes illæ cturum æquales ro­
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              præſentarent ſemper æqualeis parteis temporis: lineæ
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              verò parallelæ ex vno crute in aliud ductæ, & ſtatim
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              à prima in parteis æqualeis diuiſæ, gradus æqualeis ve­
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              locitatis; intercepta autem illa, æqualiaque triangula,
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              æqualeis parteis ſpatii; ac denique ex triangulis impari
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              numero ſub vnoquoque
                <expan abbr="momẽto">momento</expan>
              contentis, aſſumpta
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              bina, & quadrangulos conſtituentia triangula, repræ­
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              ſentarent ſpatia per gradus manenteis decurſa; & quod
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              impar ſupereſſet, repræſentaret ſpatium gradu interim
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              acquiſito decurſum. </s>
              <s id="s.001645">Atque hoc quidem modo ſen­
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              tentiam expreſſi partim in Reſponſione, partim etiam
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              ſuperiùs circa explicandum Controuerſiæ ſtatum. </s>
              <s id="s.001646">Cæ­
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              terùm vt animaduerti ſingulos, non binos velocitatis
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              acquiri gradus; ſic facile fuit animaduertere ſingulos,
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              non binos quouis momento impingi ictus. </s>
              <s id="s.001647">Quam­
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              obrem peruidi me in eo fruſtrà laboraſſe, vt Phyſi­
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              cam cauſſam accelerati motus requirens, excogitarem
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              denique duas, quarum vna inchoaret motum, & pri­
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              mo momento ſola ageret, ſingularemque ictum im­
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              primeret: ac deinde in ſecundo momento geminæ eſ­
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              ſent, quæ & ſimul agerent, & geminatis ictibus accele­
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              rarent æquabiliter motum: quippe cùm non modò
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              non fuerit duplex cauſſa neceſſaria, ſed ne potuerit
                <lb/>
              quidem eſſe, niſi vna. </s>
              <s id="s.001648">Quam-nam verò, putas, ex dua­
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              bus retinui; quam-nam eliminandam cenſui? </s>
              <s id="s.001649">Scilicet
                <lb/>
              retinui attractricem Terræ, vt quæ poſſet ſola non </s>
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