Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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adhûc controuerſia: Id enim manifeſtum fit, tum ex
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verbis illis, quæ paulò antè recitaui, tum ex illis, quæ
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habes iam, fuſioribus quidem, ſed eiſdem tamen. </
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<
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">Quia
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verò tu ad Aſſumptionem (Propoſitionis nomine) hæc
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refers; age quid id ſit peruideamus. </
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<
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">Aſſumptio eſt,
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Si acceleratio motus in deſcenſu gra
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uium æqualibus ſpatiis æqualia ſumeret velocitatis incremen
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ta, eſſent velocitates inter ſe, vt emenſa spatia.
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<
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"> Tu illam
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explanaturus duplicem ipſi ſenſum attribuis.
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Et prior
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quidem iſte est,
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inquis,
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ſi acceleratio motus in deſcenſu gra
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uium æqualibus ſpatijs æqualia ſumat velocitatis augmenta,
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neceſſe est, vt hæc eadem augmenta quibuſlibet spatij parti
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bus acquiſita, eandem inter ſe rationem obſeruent, quàm
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emenſa ſpatia.
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<
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"> At ego non ſum Oedipus, poteſque ipſe
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cauſſari te non affari intelligentem: ſiquidem non ita
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ſum ſolers, vt perſpicere valeam, quid diuerſitatis, aut
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explanationis, ſenſus hic, quem facis ſpecialem,
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contineat. </
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<
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">Poſterior,
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vt ſcilicet,
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inquis,
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quoties accelera
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tio velocitatis in deſcenſu grauium æqualibus spatiis æqualia
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incrementa acquirit, integræ velocitates ſecundum ſe totas, &
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quaſlibet ſui parteis analogas acceptæ, & conſideratæ, & non
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tantum acquiſita partibus ſpatii æqualibus incrementa, ea
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ab initio ad finem inter ſe rationem obſeruent, quam emenſa
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ſpatia.
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Hæc paulò obſcuriùs, fortè propter illud,
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&
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non tantum acquiſita partibus spatii æqualibus incrementa,
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quod ad priorem ſenſum attinens, cenſuiſti huic
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ſerendum</
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. </
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<
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id
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">Sed vtcumque ſit; cùm tu ſenſum hunc eun
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dem cum eo facias, quem ais à me exprimi diſtinctè; ea
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de cauſſa ipſum in confeſſo habeo. </
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<
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">Iam cùm ſit Aſ
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ſumptio hypothetica, & duas proinde parteis
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. </
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