Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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Voluiſſes fortaßis (quod ſine dubio facere potui) vt motum
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vniformiter acceleratum potius definirem eſſe eum,
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qui tem
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poribus æqualibus velocitatis augmenta in continua
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ratione dupla reciperet:
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ſed cùm Galileus æqualia cele
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ritatis incrementa partibus temporis æqnalibus tribueret,
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procliue fuit, vt æqualia illa velocitatis augmenta statim ſpa
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tij potiùs, quàm temporis partibus æqualibus attribuerentur.
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">Dictum hucvſque eſt de tuæ Demonſtrationis Aſ
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ſumptione. </
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Propoſitionis; veruntamen duo quaſi membra huiuſce
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Probationis fuerunt. </
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riore Experimento collegiſti
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ex dupla diſtantia celerita
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tem acquiri duplam, ex tripla triplam, &c.
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agendum eſſe
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deinceps cenſuiſti de Tempore, quòd
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ad ipſum quoque
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celeritas motus respectum includat:
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ac ſubinde adnixus es
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declarare
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Primùm,
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non ſic decurri parteis ſpatij, vt ſe
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cunda percurratur dimidio temporis, quo prima, tertia
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triente, quarta quadrante, &c. </
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ſequi ex ratione illa increſcentis ſpatiorum inſtar ce
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leritatis:
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Secundò
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autem ſic potiùs decurri, vt initio
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ſumpto ab inferiore primæ partis dimidio, quod cer
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to tempore percurratur, ſecunda, quæ eius dimidij ſit
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dupla, percurratur pari tempore: tertia verò triente
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eiuſdem temporis, tanquam reſpondens infimo eiuſ
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dem primæ partis trienti: quarta quadrante, vt reſ
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pondens quadranti, atque ita de cæteris; Ex quibus
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ſubinde ſequatur, vt quemadmodum pars ſecunda
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æquali tempore percurritur, ſic percurrantur duæ ſi
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mùl ſequentes; ſic quatuor ſimùl ſuccedentes; ſic </
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