Guevara, Giovanni di
,
In Aristotelis mechanicas commentarii
,
1627
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N16486
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<
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005/01/221.jpg
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cludere. </
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<
s
id
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N164C2
">Quoniam ſicut circulus delatus, non minus ac de
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ferens conuoluitur circa proprium centrum, ac ſimul cum
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illo progreditur modo ſibi connaturali; ita nec minus pro
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portionatum ſibi interuallum rotando videtur poſſe tranſ
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mittere, deſcribendo lineam rectam æqualem ſuæ periphe
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riæ ſeu abſidi ſecundum quam conuoluitur. </
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</
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<
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N164CF
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type
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<
s
id
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N164D1
">Huic tamen difficultati occurrit Philoſophus reſponden
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do, quòd licet ipſi circuli ſupponantur concentrici, vtpotè
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circa idem pariter centrum coniuncti, ac reuoluti, non pro
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pterea ſequitur, quod ambo debeant connaturali modo ſua
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propria motione moueri. </
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<
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id
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N164DC
">Nam qui ab altero fertur, moue
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tur ad motionem illius, non ſecus ac ſi nullam ad talem mo
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tum, ſeu rotationem circa idem centrum propriam aptitu
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dinem obtineret quemadmodum reuera obtinet; quippe
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cum illa non vtatur: Vnde tantum poterit moueri, quan
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tum mouebitur is, à quo fertur, & cui eſt alligatus. </
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<
expan
abbr
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Ideoq.
">Ideoque</
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inquit rectè concludi, inæquales circulos circa idem cen
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trum connexos æquale ſpatium in ſua rotatione tranſmitte
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re, ſi vnus moueatur ad motum alterius. </
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<
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id
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">Poſtremò illud hic adnotat Ariſtoteles, quòdlicet vter
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que circulus circa idem centrum reuoluatur, non tamen
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ſimpliciter idem eſt vtriuſque circuli centrum; ſed vnius
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quidem per ſe, nempe deferentis, alterius verò per accidens,
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nempe delati. </
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<
s
id
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N16502
">Quandoquidem deferens ex ſe vtitur pro
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prio centro dum circa illud mouetur,
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abbr
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ipſumq.
">ipſumque</
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ſecum rapit
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dum ad vlteriora ſuper planum rectà progreditur: delatus
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verò per accidens circa illud conuertitur; ſicut per accidens
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etiam progreditur ad motum deferentis. </
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<
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N16511
">Quamobrem ſo
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phiſticè ac deceptiua ratiocinatione inquit argumentari
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eos, qui abſolutè, idem ambobus circulis eſſe centrum do
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cent, eo quod ambo circa idem reuoluantur, ac inde infe
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runt, vtrumlibet proportionato, & connaturali motu cir
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cumferri debere: Quod eſt vnumquemque illorum æqua
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lem rectam ſuæ peripheriæ rotando deſcribere; nempe ma
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iorem circulum rectam maiorem, minorem verò minorem,
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ſecus quàm de facto accidit propter cauſas explicatas. </
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