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In libros Aristotelis de caelo paraphrasis hebraice et latine

In libros Aristotelis de caelo paraphrasis hebraice et latine

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aerTUEMISTII DE CAELO A 4 [Arist. p. 31 la-J9-b ]3] 231extitiss<strong>et</strong>, ctiam si vi eniiuer<strong>et</strong> — (|iiema(lniu(luiii val<strong>et</strong>iulu ct iusta f. (I2rsicci iVig'idique proportio <strong>et</strong> similia iii viveutis corpore uuuni i<strong>de</strong>mqueexistimt, ct animans, qui iusta conim proportionc utitur, scmusest, tam<strong>et</strong>si vi ad eiiis mediocritatem <strong>de</strong>veuiat — at fieri potest, ut5 quod emin<strong>et</strong>, g-rave sit; uou igitur emiuere aliquid ac leve esseuuiim i<strong>de</strong>iiKiiie existimt. ita neque subst<strong>et</strong>ni <strong>et</strong> grave esse i<strong>de</strong>msunt, ueque quod subsidit <strong>et</strong> quod grave est uuum <strong>et</strong> i<strong>de</strong>m essedicuiitur.Dcindc ait: cum ig-itur his iucliuatio ita tribuatur, gravitas10 autem <strong>et</strong> levitas in compositis {qiioque) corpoiibus inveniautur, perspicuuniest igitur, ipsii, iuxta eorum constitutione/n ex illis iucliuationcinter se dijjerre, secundum quod simpUcia corpora sortita stmt,quorum id levius, quod ex pluribus levibus elementis constituitur.igitur corporum ah elcDientis compositoruin diferentia ad primorum15 corporum diferentiam sequ<strong>et</strong>ur. quod qiii<strong>de</strong>ni ipsum ante dicebatoportere facere <strong>et</strong> eos, qui inclinationis differentiam ad inanis implicationemr<strong>et</strong>i<strong>de</strong>runt.Dein<strong>de</strong> dicit: fit autem, ut uou ubique unum <strong>et</strong> i<strong>de</strong>maliquid grave sit vel leve, neque ctiam uno eo<strong>de</strong>mque levius20 vel gravius; trabs enim, quae centum librarum pondus hab<strong>et</strong>, inaere qui<strong>de</strong>m gravis, in aqua vero ievis existit; trabs enim in aquaiunatat, plumbum vero subsidit. idque causae esse dixit, quodin omnibus corporibus pra<strong>et</strong>erquam in igne in propriis eorum locis[mo<strong>de</strong>] pondus invenitur, in locis autem c<strong>et</strong>erorum illorum pra<strong>et</strong>er-25 quam in locis, quae (inferiora) sunt, graviora sunt, ac lioe modoterra omniaque corpora, quae maxime terrena sunt, ubiquepondus habent — ca enim <strong>et</strong> in tcrrae loco <strong>et</strong> in locis c<strong>et</strong>erorumillorum pondus habent — aqua autem in proprio loco <strong>et</strong> in locis c<strong>et</strong>erorumelementorum pondus hab<strong>et</strong>, non autem in terrae loco — terra30 enim aqua gravior existit — aer vero in proprio loco id hab<strong>et</strong> <strong>et</strong> inignis loco; at pondus non hab<strong>et</strong> in locis c<strong>et</strong>erorum illorum elementorum,quae pondus habent, terrae nempe <strong>et</strong> aquae, uumautem in proprio loco pondus habeat, hinc iutellegi potest, quoduter inflatus trahat plus quam inanis. si quid igitur com-35 positorum corporum plus habeat aeris qua^^i aquae <strong>et</strong> terrae,veluti trabs, in aere qui<strong>de</strong>m erit gravis, ex eo, quod m hoc qxomni vel ex maiore parte pon<strong>de</strong>rosum constat; <strong>et</strong>enim ex plurimoaere, qui gravis est, constat, uec non <strong>et</strong>iam ex terra atque ex aqua,quae gravia sunt, conflatur; in aqua autem Ievis est, ex eo, quod40 ipsa in hac maiore ex parle Ievis est, quoniam <strong>et</strong> aqua levia f.62v|sunt ac ex modico pon<strong>de</strong>re constant,hac itaque <strong>de</strong> causa lignum,15 dicebat ex couiectura 20 centum codd. Al <strong>et</strong> Averr. hie <strong>et</strong> infra 25 inferioraaddidi 3(5 trahs] $'j>iOv (cf. supra) 40. 41 exspectes in ai^ua Ievis est . . constat

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