Borro, Girolamo, De motu gravium et levium, 1575
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                ſed potissimum libro primo Phyſicorum. </s>
                <s id="s.000750">Ideo quod ad locum
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                mouet: non quicquid contigerit mouet; ſed definitum mobi­
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                le:nec mobile definitum poteſt a quolibet mouente moueri, ſed
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                à statuto, ac definito motore: non à quolibet loco, vt à motus
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                primo principio in quemlibet locum vt in vltimum finem: nec
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                per quodlibet medium, ſed à determinato principio, per defi­
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                nitum medium in finem ſtatutum. </s>
                <s id="s.000751">Itaque id ſolum ſurſum
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                mouet ſemper, quod inducendæ leuitatis à natura vim ha­
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                bet: id perpetuo deorſum agit; quod efficiendæ grauitatis fa
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                cultatem nactum est à natura: & quicquid mobile est, non
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                dubium eſt, quin idem ſit facultate vel graue, velleue, nec
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                ambigendum, quin in proprium, naturalemque locum ferri,
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                ſit in propriam ſpeciem formam, ac perfectionem ferri: vt
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                infra (Deo dante) videbimus. </s>
                <s id="s.000752">Quibus poſitis argumentum
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                in eam formam redigimus, in quam à Simplicio Philoſopho
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                certè grauissimo redigitur:
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                Si generans (ait Simplicius) leuitatem, & grauitatem
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                efficiens, non quodlibet ſed definitum non temerè agit in quod
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                libet, ſed in ſubiectum determinatum, nec in quamlibet lo­
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                ci perfectionem, nec per quodlibet medium, ſed per medium
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                ſtatutum elementum nuper genitum temerè ducit, ſed in lo­
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                ci perfectionem definitam elementa à generante mouentur:
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                ſed agens definitum in ſubiectum agit definitum ad ſtatutam
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                definitamque loci perfectionem, & per medium determina­
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                tum elementum mox genitum ducit. </s>
                <s id="s.000754">Ergo elementum geni­
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                tum à generante mouetur: idque ſecundum eam facultatem,
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                quæ eſſentialis nuncupatur, quod erat probandum.
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