Guevara, Giovanni di
,
In Aristotelis mechanicas commentarii
,
1627
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<
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<
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ambitum. </
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<
s
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N1156F
">Maior enim eſt circum ſerentia circuli continentis,
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quàm contenti. </
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<
s
id
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N11574
">Si autem circa idem centrum plures circuli
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ducantur, ſemper ille qui coeteros continet, à remotiori pun
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cto ſemidiametri deſcribetur,
<
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abbr
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proindeq.
">proindeque</
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quò remotiora erunt
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ipſa puncta ſemidiametri à centro, eò velocius mouebuntur. </
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</
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<
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<
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N11583
">Horum autem cauſam eſſe inquit Ariſtoteles, quoniam ſe
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midiameter circulum deſcribens mouetur motu quodam
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mixto ex duabus lationibus, nempe naturali, ac præternatu
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rali, vt infra ſequenti textu probabitur; quam duplicem la
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tionem partes ſemidiametri non æquè participant, hoc eſt
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non participant ſecundum eandem proportionem. </
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<
s
id
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N11590
">Quando
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quidem, vt infra pariter ipſe Philoſophus oſtendit, partes quæ
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remotiores ſunt à centro, magis participant de latione natu
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rali: contra verò quæ centro ſunt viciniores, magis partici
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pant de motione præternaturali. </
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<
s
id
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N1159B
">Si enim ſecundum eandem
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aliquam proportionem, duplicem illam lationem omnes ip
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sæ participarent, non vtique mouerentur motu circulari, ſed
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recto, vt ſtatim ipſe demonſtrat. </
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<
s
id
="
N115A4
">Quare ſuppoſito quòd mo
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bile tanto velocius monetur, quanto magis participat de mo
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tu naturali, vt ex dicendis etiam tex. 8. conſtabit, a primo ad
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vltimum conuincitur, puncta vel partes ſemidiametri quò
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plus à centro diſtauerint in deſcriptione circuli, eò cœlerius
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moueri, quò vero minus, eo tardius. </
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<
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<
s
id
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">Et confirmari poteſt argumento quod idem Philoſophus,
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alijs interpoſitis, ſequenti textu adiecit; nimirum, quia ſi
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duobus (inquit) ab eadem potentia latis, hoc quidem plus
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repellatur vel impediatur ab aliquo, illud verò minus; ratio
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ni conſentaneum eſt, tardius moueri id quod plus præpedi
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tur, aut repellitur: Sed lineæ circumductæ in circulo, vel pun
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cta quæ ſunt in eius diametro, quò magis appropinquantur
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centro, eò magis repelluntur in motu circulari ac impediun
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tur ab ipſo centro; ergo tardius mouentur. </
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>
<
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id
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N115C8
">Minor propoſitio
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huius argumenti probatur; quia cum centrum ſit fixum &
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immotum,
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abbr
="
eiq.
">eique</
expan
>
colligatæ ſint omnes partes diametri per lon
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/>
gitudinem extenſæ, illæ quæ magis ei appropinquantur, ma
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gis vinciuntur ac detinentur nè moueantur: quæ verò magis </
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