Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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oſtenſum innueram; bonitatem tuam implorando, ſi
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fortè liceret mihi dicere, videri poſſe cuipiam, te eum
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potiùs eſſe, qui incideres in Paralogiſmum? </
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<
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huiuſmodi de re ſola hæc verba habueras, quæ non
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pigebit repetere,
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Vt ſi graue deſcendens per AB, tem
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pus quodcumque inſumat, puta quadrantem: ac deinde BC
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ipſi AB æquale, dimidio quadrante percurrat: quis neget in
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C
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duplam haberi velocitatem eius, quæ fuit in B? Et-tamen
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idem graue totam AC, & dimidium eius AB eodem tem
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pore non percurreret.
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<
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"> Scilicet iſthæc ipſa ſunt, ob quæ
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cũ
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ego dixerim, videri te
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Rem controuerſam pro principio
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aſſumere:
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ais iam te fuiſſe breuiter loquutum, quod pu
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târis me
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intelligentem
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ſatis, vt paucis multa caperem:
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nunc autem, quia contigit ſecus, & ſaltem virum
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animo
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præoccupatum
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es alloquutus, eſſe rem exactiùs, fuſiuſ
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que dicendam. </
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<
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">Age itaque tu adeò humanus, vt te hu
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ius meæ hebetudinis, præoccupationiſque miſe
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reat, patere ſaltem lentè incedam, viamque pertentem;
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ſi quà poſſim te conſequi. </
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<
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">Cùm tu quæ pauca Gali
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leus hac de re habet, reduxeris ad ſyllogiſticam quan
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dam formam; videtur mihi poſſe non incommodè, vt
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res diſtinctiùs percipiatur, ea fieri Aſſumptio, quæ tibi
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Propoſitio eſt, ea Propoſitio, quæ Aſſumptio, & Syllo
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giſmus proinde ſic inſtitui. </
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Quoties velocitates ſuntinter ſe, vt emenſa spatia, de
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bent neceſſariò ea spatia aut eodem, aut æquali tempore per
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curri.
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At, ſi acceleratio motus in deſcenſu grauium æqualibus
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ſpatiis æqualia ſumeret velocitatis incrementa, eſſent velocita
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tes inter ſe, vtemenſa spatia.
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