Fabri, Honoré
,
Dialogi physici in quibus de motu terrae disputatur
,
1665
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volunt enim, compreſſionem aëris explicandam eſſe per ſpiras, vel arcus
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tenſos, aut certè per motum longiorum Atomorum, qui majus ſpatium
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poſtulet; ſed ex iis quæro, cur ſpira illa tenſa ſit, vel compreſſa; & cur in
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eo ſitu, in quam redacta eſt, non permaneat; ac demum, vnde vim illam
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habeat, qua ſe reducit, ſeu reducere nititur. </
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Auguſtin.
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<
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id
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s.002236
"> Reſpondebunt illico, rationem ab ipſa ſpiræ, vel aëris figu
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ra petendam eſſe, vt videre eſt in artefactis, quorum analogia ſatis
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favet. </
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Antim.
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<
s
id
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"> Sed inſto, & quæro, vnde habeant prædictæ
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aẽris
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particulæ,
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vt ſpiræ ſint, vel arcus, vt hanc potiùs, quàm aliam figurám poſtulent, ac
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proinde amiſſa illa ac mutata, tantum niſum exerant, vt ſeſe in eam reſti
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tuant; prætereà vnde tanta vis motrix, tum in ſpiris, vel arcubus aëris, tum
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etiam ſecundùm aliam hypotheſim, in oblongis illis particulis? </
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<
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">ad quid
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enim motus ille circularis? </
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<
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">quid quæſo hic ad illam particulam facit, aut
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confert? </
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<
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">Pro his aliiſque ſimilibus, ad primum naturæ inſtitutum omnino
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confugient; cur ergo idem mihi non liceat? </
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<
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id
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s.002242
">Quod verò ſpectat ad analo
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giam artefactorum, non habet locum in hac controverſia; alioquin peti
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tur, vt aiunt, principium: quæro enim, cur arcus tenſus, vel ſpira tenſa tan
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ta vi redeat, ac ſeſe reſtituat; & dico rationem inde petendam eſſe, quod
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ſcilicet pori ita ſint diſpoſiti, vt ex Lunatione arcus v.g. multa compreſſio
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contentæ in iis materiæ conſequatur; dicis autem illam materiam ideò
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comprimi, ſeu tendi quia ex minimis ſpiris, vel arcubus conſtat; idem igi
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tur probas per idem. </
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<
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">Itaque, quidquid eſt, quidquid agit, ſeu movetur,
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propter illum finem eſt, ad quem à Natura deſtinatur, movetur que, vt il
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lud obtineat; video lapidem, & alia corpora tam recta linea, ſublato im
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pedimento ad idem centrum tendere, vt nunquam ab illa diſcedant: quam
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obrem verò? </
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<
s
id
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">quia ſcilicet finis lapidis aliorumque corporum gravium eſt
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globum totalem conſtituere, ſeu componere ſimul cum aliis; vt ergo fi
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nem illum vel obtineant, vel obtentum indemnem ſervent, illa vi pollent,
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qua deorſum ferantur, aut ſaltem connitantur; finem autem retum ex ipſo
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vſu, vſum ſenſu ipſo percipimus; ex his vides, non eſſe fortè, cur hæc
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Democritus rideat; ſed hæc obiter, quæ hujus inſtituti non ſunt, nec hujus
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loci. </
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Chryſocom.
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Hæc tamen vel obiter indicaſſe profectò non oberit; ſed
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quæſo te, ad alias rationes orationem ac ſermonem reevoca. </
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Antim.
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<
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id
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"> Nonò, ſi veſicam cyprinam, vel alterius generis, aperto fora
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mine priùs exhauſtam aëre, eoque expreſſo, arcto ligamine ad foramen ſtri
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ctam, appenſamque circa extremitatem interioris fiſtulæ D, tum infuſo
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Mercurio, admotoque, ac deinde ſubducto, vt ante, digito, vbi deſcendit
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Mercurius in CI, præfata veſica ita intumeſcit, vt vix immiſſo anhelitu,
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adeò tensè intumeſcene videatur: hoc experimentum certum eſt, illudque
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multi probarunt. </
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Auguſtin.
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<
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id
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"> Iam aliquid de illo in audieram; ſed quid inde contra va
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enum? </
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Antim.
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<
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id
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"> Quid inde, inquis; miror à te non videri; ſi enim ſpatium CD </
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