Borro, Girolamo, De motu gravium et levium, 1575

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                <s id="s.001276">
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                nuit, vel impedimentum abſtulit, elementa nec mouet; nec mo
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                uere potest. </s>
                <s id="s.001277">Neque medium ab elemento motum, elementum
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                primo mouet: quippe, quod medium ab elemento motum non
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                per se elementum, ſed per accidens tantum moueat, vt nauis,
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                quæ à nauta per ſe mouetur, eumdem per accidens mouet.
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                </s>
                <s id="s.001278">Nos cauſam, quæ per ſe & primo, &
                  <expan abbr="">non</expan>
                per accidens tantum
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                motum facit, hoc loco inuenire conamur. </s>
                <s id="s.001279">Neque
                  <expan abbr="elementorũ">elementorum</expan>
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                locus elementa primo mouet. </s>
                <s id="s.001280">Quoniam locus (vt ſupra diſpu­
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                tauimus) vt rei motæ finis, ac perfectio tantum mouet, non vt
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                forma nec vt efficiens niſi quatenus locus rem locatam ſuo
                  <expan abbr="cõ-plexu">com­
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                  plexu</expan>
                continet; qua ratione, vt forma mouere dicitur; & ra­
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                tione qua finis forma, & perfectio in vnum ſæpe coheunt, sed
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                omnes iſtæ motuum ſpecies ſunt metaphorici motus, vt ſcripſit
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                Aristoteles. </s>
                <s id="s.001281">primo de ortu, & interitu particula quinquage
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                ſimaquinta, & nos veri motus facientem cauſam quærimus.
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                </s>
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              <p type="main">
                <s id="s.001282">
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                Si ergo nec cælum, nec generans, nec remouens
                  <expan abbr="impedimẽ">impedimen</expan>
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                tum, nec locus, nec medium, nec aliud extrinſecum elementa
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                mouet primo, aliud intrinſecum erit à quo elementorum mo­
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                tus primo fiat. </s>
                <s id="s.001283">Nam extrinſecum aliud fingere non licet, ſi
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                hic motus ab intrinſeco principio primo fit,
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                à materia; quia
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                nullam vim faciendi motum habet, cum materia actu res nul
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                la ſit; & vnumquodque, quod fit ab eo tantum fieri oporteat,
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                quod actu exiſtit. </s>
                <s id="s.001284">Ergo à forma grauia deorſum, & leuia ſur
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                ſum primo, neceſſe eſt, vt moueantur.
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                </s>
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              <p type="main">
                <s id="s.001285">
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                Confirmatur demonstratione Aristotelis tum ſeptimo,
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                tum octauo Phyſicorum, vbi primum motum à ſe, quod est
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                  <expan abbr="primũ">primum</expan>
                cælum dari probatur idque ab intrinſeco primo princi­
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                pio, quæ eſt cæli forma, seu assiſtat, ſeu informet primo mo­
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                uetur. </s>
                <s id="s.001286">Ergo per locum à ſimili, & elementum à propria for­
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                ma intrinſeca primo mouebitur, nec aliquid roboris forma
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                </s>
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          </chap>
        </body>
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