Borro, Girolamo
,
De motu gravium et levium
,
1575
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Elementa à ſe ipſis ſuarum motionum intrinſecum habere
<
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principium confirmatur auctoritate Ariſtotelis libro quarto
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de cælo particula vigeſimaquarta, vbi poſita ſimilitudine in
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ter ea, quæ ad locum mouentur, & inter ea quæ alterantur,
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differentiam nanciſcitur, & ait. </
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<
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id
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">Quæ ad locum cientur, &
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aut grauia ſunt, aut leuia, ab his, quæ alterantur, hoc potissi
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mum differunt: quod hæc, quæ locum mutant in ſe ipſis, mo
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tus ſui principium habent, quippe quod naturaliter, ac ſua
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ſponte moueantur: illa vero, quæ qualitatem, &
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quantitatẽ
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mutant, non in ſe, sed extrinſecus adueniens
<
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abbr
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habẽt
">habent</
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motus prin
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cipium, &c. </
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<
s
id
="
s.000982
">ergo de ſententia Ariſtotelis in hoc loco elemen
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ta ab intrinſeco motore concitantur: ergo à ſe per ſe natura
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li motu cientur. </
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<
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id
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s.000983
">Confirmatur. </
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<
s
id
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s.000984
">Non poteſt (ait Auerroes)
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lb
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libro primo de cælo particula duodeuigeſima) numerari cor
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pus naturale, cuius motus non vt naturalis, ſed elementa cor
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pora ſunt naturalia. </
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<
s
id
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s.000985
">Ergo elementorum motus eſt naturalis,
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lb
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ſed motus naturalis fit à natura, quæ est per ſe
<
expan
abbr
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principiũ
">principium</
expan
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mo
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tus intrinſecum. </
s
>
<
s
id
="
s.000986
">Ergo elementa per ſe ab intrinſeco principio,
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lb
/>
quod eſt natura mouentur: ergo à ſe per ſe:
<
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abbr
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eã
">eam</
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>
obrem Auer
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lb
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roes addidit, vniuerſaliter manifestum est, eorum motum
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eſſe per ſe, & mox ait Auerroes: neceſſe est verificare in hoc
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loco, quod motus elementorum non eſt ab extrinſeco: quamuis
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manifestum ſit per ſe. </
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<
s
id
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s.000987
">Cum itaque manifeſtum ſit elementa
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non moueri ab extrinſeco: & notum ſit ita, vt nulli ſua do
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mus nota magis, elementa moueri: exploratum etiam erit ab
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intrinſeco principio eadem naturali motu cieri. </
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<
s
id
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s.000988
">Sed
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abbr
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intrinſecũ
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principium est per ſe principium: ergo mouentur à ſe per ſe.
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Confirmatur ex Auerrois explanatione libro ſecundo phy
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ſicorum
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expan
abbr
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cõmentatione
">commentatione</
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prima: vbi Aristoteles ait. </
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<
s
id
="
s.000990
">Quæ natu
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ra constant, omnia intra ſemetipſa motus, & status princi-
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