Borro, Girolamo, De motu gravium et levium, 1575

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                medio, quod prius denſum fuerat, motus velocitatem per ſe
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                creſcere in ea proportione, in qua medium fuerit factum ra­
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                rius, sed tantum ſequitur in ea proportione decreſcere tardi­
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                tatem, quæ per accidens addita fuerat ex medij denſitate.
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                <s id="s.001703">Inefficax ergo eſt Ariſtotelis ratio, fallax, at que ſophiſtica.
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                <s id="s.001704">
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                Auerroes eorum omnium, qui post Ariſtotelem ſcripſe­
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                re, quos quidem ego legerim, meo iudicio facilè princeps, re­
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                ſpondet in commentatione ſeptuageſimaprima eiuſdem libri
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                quarti Phyſicorum, de cuius ſententia ſciendum. </s>
                <s id="s.001705">Ex motus de
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                finitione omnem motum eſſe continuum facilè colligi: eſt enim
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                motus actus illius, quod moueri potest, quatenus eam vim ha
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                bet, vt moueri possit, tertio
                  <expan abbr="Phyſicorū">Phyſicorum</expan>
                particula ſexta, nona,
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                decima, decimaſexta, & vigeſimatertia; id quod
                  <expan abbr="etiã">etiam</expan>
                ſupra di
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                ximus: ergo mobile per motum ad alium
                  <expan abbr="actũ">actum</expan>
                antecedentem
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                vim habet, ad quam etiam mobile tendit: continuus ergo est
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                omnis motus: non poteſt autem continuatio hæc motus naſci ex
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                ſola vi agentis ſine reſistentia, quam mouens ſua mouendi fa
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                cultate ſuperet. </s>
                <s id="s.001706">Itaque ſecundum proportionem quam mouen
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                tis vis reſistentiam ſuperat, motus quoque eſt velox; atque in
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                his motibus, in quibus proportio eſt maior, eſt etiam maior ce­
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                leritas; vbi minor proportio, ibi celeritas minor, vbi autem vis
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                mouentis reſiſtentiam non ſuperat, aut non ſecundum ſtatu­
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                tum à natura exceſſum nullus tunc efficitur motus, vt doctiſ­
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                ſimè docuit Aristoteles libro ſeptimo Phyſicorum particula
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                trigeſimaſexta.
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                <s id="s.001707">
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                Quod Auempaces de globorum cæleſtium motoribus dixit
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                ſine reſistentia mouentibus, falſum eſſe ex his omnes intelli­
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                gunt, quæ Ariſtoteles ſcripta reliquit libro ſecundo de cælo
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                particula ſeptuageſimaprima. </s>
                <s id="s.001708">Si vna (ait) tantum quan­
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                tumuis parua ſtella & non plures cuipiam cælesti globo adde
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                </s>
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