Buonamici, Francesco
,
De motu libri X
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in calefactione terminus à quo. </
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>Quapropter in definitione motus & terminus à quo contine
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tur, & primæ neceſſariò tribuendæ ſunt actui, non poteſtati: quanquam reipſa motus ex poteſta
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te & actu conflatur, cùm ſit actus imperfectus. </
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<
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>Itaque ſi poteſtas eſt in oppoſito, hoc verò in
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motu degenerat in terminum à quo, planum quoque eſt poteſtatem niti termino à quo, & ter
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minum à quo partem eſſe motus.</
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E</
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F</
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G</
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a 5. Phyſ.
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T. c. 3. 7.</
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b 1. de cęl.</
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c 8. Phyſ.</
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d Qurſt.</
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B</
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C</
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D</
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E</
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De eo quòd motus ſit vnus, & cauſſis continuationis eius. </
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<
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>Cap. </
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>XXXV
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.</
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<
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>QVONIAM verò motum fluxu definiuimus quem tempore item obiri docuimus in om
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ni mutatione per ſe, eſt verò fluxus ſucceſsio quædam ſeu partium formæ, ſeu materiæ in
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mobili, ſucceſsio verò
<
expan
abbr
="
ẽt
">etiam</
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>
continuatio,
<
expan
abbr
="
nõ
">non</
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erit, opinor,
<
expan
abbr
="
alienũ
">alienum</
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ab inſtituto noſtro, ſi ea nunc tranſi
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gamus quæ ad
<
expan
abbr
="
continuationẽ
">continuationem</
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motus
<
expan
abbr
="
pertinẽt
">pertinent</
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>
; & ob id potiſsimè quòd de
<
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abbr
="
cõuerſione
">conuerſione</
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>
tractaturis
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maximè
<
expan
abbr
="
admodũ
">admodum</
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expediat huiuſmodi cognitio. </
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>
<
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>Verumenimuerò continuitas vnius eſt motus,
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ideò nos ante alia
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abbr
="
cõſtituemus
">conſtituemus</
expan
>
ex Ariſtotele qui ſit vnus motus,
<
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abbr
="
quemadmodũ
">quemadmodum</
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>
vnus, & quę'nam
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ipſius conditiones. </
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>
<
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>Vnus ergo motus eſt multis modis. </
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<
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>Etenim motus vnus genere dicitur, hic ve
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rò eſt ad vnum prædicamentum, vt puta, quantum, quale; quo fit, vt
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abbr
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oẽs
">omnes</
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affectiones & alteratio
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nes ſint vnus genere motus, quòd omnes ſunt ſecundùm quale: quanuis oppoſiti ſint motus, vt
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ortus & interitus, auctio & decrementum: etiam, quia ſunt ſecundùm idem prædicamentum,
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omnes vnus genere motus exiſtunt, vt contrà genere
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abbr
="
ſeiugãtur
">ſeiugantur</
expan
>
affectiones & generationes quæ
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ſunt ad diuerſa prædicamenta, ſubſtantiam & quale: prout verò genus eſt vel ſummum, vel ſub
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alternum; ſic accidit etiam motum eſſe eundem, aut diuerſum vel genere ſummo, vel ſubalter
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no: ſic generatio plantæ & lapidis eſt vnus motus genere ſummo, generatio complurium lapi
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dum eſt vnus genere ſubalterno. </
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>
<
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>Dicitur etiam vnus ſpecie infima (nam ſuperior ſpecies non
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differt à genere ſubalterno, nec motus ad illam à motu qui eſt ad genus ſubalternum) qui eſt ſe
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cundùm eandem ſpeciem infimam, vt nigrefactiones omnes & omnes calefactiones propter ni
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gredinem & caliditatem quæ vna ſpecies exiſtunt. (ita enim nunc exempli cauſſa ſtatuamus ali
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bi de hoc ipſo diſſerturi, propter Simplicium qui putauit accidentia in philoſophia naturali pro
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ſubiecti ratione diſtinguenda) ſic in hoc ſignificatu non iidem motus qui fiunt ſecundùm diuer
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ſas ſpecies. </
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<
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>proinde calefactio & nigrefactio ſunt vnus genere motus, ſpecie verò non vnus.
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</
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<
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>Prætereà vnus eſt motus ſimpliciter qui eſt ſingularis, vt hæc calefactio. </
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<
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>Vnus etiam motus ille
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eſt qui perfectus eſt, & tendit in vltimum terminum. </
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<
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>imperfectus item & interruptus vnus eſſe
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poteſt; ſed tamen ſi cum ſuperiore conferatur; minus eſt vnus, nam præcipua cauſſa propter
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quam eſt vnus, petitur à forma à qua longius diſtat interruptus, quàm perfectus & abſolutus.
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</
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<
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>Eſt & vnus motus qui eſt regularis, & vniformis, irregularis vnus eſt item, ſed ſuperiore minus
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vnus. </
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<
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>intelligo verò regularem eum qui vno modo ſe habet in omnibus ſuis partibus tùm quo
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ad tempus, tùm quo ad ſpatium: huic autem oppoſitum irregularem. </
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<
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>quanuis in conuerſione,
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quam maximè regularem teſtatur eſſe philoſophus, inde ſit petenda regularitas; quòd omnes cę
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li partes eodem tempore, & æquali angulos æqualeis efficiunt in ſpatio per quod
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cęlũ
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mouetur.
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<
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>Cæterùm in motibus illis primis qui ſunt vnus genere ſiue ſummo, ſiue ſubalterno, & vnus ſpe
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cie, vnitas termini ad quem potiſsimè attendenda eſt, vt ſicut per terminum ad quem habet pręci
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puè quòd fit, aſſequatur etiam quòd ſit vnus; hanc verò confectatur vnitas termini à quo, vt ſi
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ex albo viride fiat, & idem ex nigro, non ſit futurus motus vnus. </
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<
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>quanquam aliud obſeruandum
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eſt in motu qui eſt ad locum, nanque ad eius vnitatem ſpecificam non ſufficit vnitas
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terminorũ
">terminorum</
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,
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vt in cæteris motibus, ſed vnitas ſpatij prætereà deſideratur: neque enim fuerit idem ſpecie mo
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tus, ſi circulo feratur quippiam ad punctum leonis, ac ſi ex centro mundi rectà ad eundem pun
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ctum tendere cogitetur. </
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<
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>In eo verò qui propriè vnus eſt, hic autem eſt indiuiduus, nonmodò
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vnitas terminorum deſideratur, verùmetiam temporis & mobilis: aliquod ex his ſi deficiat, non
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patitur eſſe vnum ad numerum motum, vt ſi mobile diuerſum fuerit. </
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<
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>Quanquam ad tollendas
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aliquas difficultateis aliud iudicium de vno mobili
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faciendũ
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eſſe puto quàm fieri ſoleat. </
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<
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>Credo
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enim non omnem
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motus, eſſe vnius indiuidui, quatenus eſt ſub vna ſpecie inſima, & ſpe
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cialiſsima; ſed etiam, quatenus eſt ſub aliquo genere; verbigratia, canis qui deorſum fertur, non
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ita fertur, quatenus eſt canis ſimpliciter, ſed quatenus eſt mixtum in quo terra dominatur.
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</
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>
<
s
>Ideò
<
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abbr
="
quoq.
">quoque</
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>
ſi inter mouendum pereat canis, tamen ſeruari poſſe eundem ad numerum motum.
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</
s
>
<
s
>Quamobrem latius accipiemus hîc, vnum ad numerum mobile, quia ſcilicet ſit vnum ſuppoſi
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tum, appello autem ſuppoſitum omne aggregatum ex omnibus rationibus, quibus conſtituitur
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vna
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expan
abbr
="
eademq́
">eademque</
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>
. </
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>
<
s
>ſenſilis materiæ portio, à qua primùm petitur vnitas numeralis, quòd gręcè non
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malè dixeris
<
foreign
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grc
">τὸ ὐποστάν</
foreign
>
, hęc autem conſiſtit quidem diuerſis rationibus. </
s
>
<
s
>nanque in Socrate ineſt
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ratio hominis, animalis, & corporis quæ omnia prædicantur in quid de Socrate. </
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>
<
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>& hæc omnia </
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>
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