Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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emenſa ſpatia, & hic ſenſus verus ac neceſſarius eſt. </
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enim intriangulo æqualia spatia deſignentur
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AD, DE, EF,
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&c. </
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D
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acquiſitus ſupponatur vnus
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gradus, & in
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E
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duo, & tres in
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F,
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manifeſtum
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eſt duos gradus, ad quos acceleratio perueniſſe
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ponitur in
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E,
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eſſe ad vnum gradum acquiſi
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tum in
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D,
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vt ſpatium
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AE
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ad spatium
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AD;
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& ſimiliter gradus treis, qui in
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F
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ſupponun
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tur terminare celeritatis augmentum, eſſe ad
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gradum vnum ipſius
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D,
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vel ad duos ipſius
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E,
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vt
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AF,
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ad
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AD,
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vel
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AE.
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Et hoc quidem
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ſenſu, ſi primam illam
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G
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alilei vſurpares, vera omninò eſſet,
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ac neceſſaria, ſed Aſſumptio, quæ ſubſumitur, falſa eſſet at
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que impoßibilis; nempe hæc.
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<
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ſe ſunt vt emenſa ſpatia (
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in ſenſu proximè aßignato
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) de
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bent neceſſariò ea ſpatia aut eodem, aut æquali tem
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pore percurri:
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Sicque iam hac ex parte
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G
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alilei licet ratio
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cinatio corruit. </
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ſitionis ſenſus, vt ſeilicet quoties acceleratio velocitatis in deſ
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cenſu grauium æqualibus ſpatiis æqualia incrementa acquirit,
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integræ velocitates ſecundum ſe totas, & quaſlibet ſui parteis
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analogas aeceptæ, & conſiderata, & non tantum acquiſitæ
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partibus ſpatii æqualibus incrementa, eam ab initio ad finem
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inter ſe rationem obſeruent, quam emenſa ſpatia. </
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ſus à priore longè diuerſus est, & à te non intenditur modò;
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ſed diſtinctè quoque eodem numero x. </
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<
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Rem certè in hunc modum concipio. </
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AC, diuiſa in duodecim parteis æqualeis, ac proinde
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eius dimidium AB, ſeu ipſi æqualeis DE in ſex; ſint
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que primùm duo mobilia, quorum vnum deſcendat </
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