Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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querique, quòd nullum non mouerim lapidem
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ad euer
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tendum hanc veritatem?
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Atque ego quidem, quòd ex
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inde inferres,
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Tempus, quo percurritur DE, eſſe præcisè
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æquale tempori, quo percurritur SD,
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ob duplam nempe
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velocitatem, ſicuti ſpatium duplum eſt, huiuſcemodi
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lapides, & articulis quidem XXXV. ac XXXVI. moui, I.
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fore, vt ſuppoſito tempore, quo percurritur SD,
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minutorum v. c. duorum, idem ſpatium SD,
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percurreretur ſimùl minuto vno cum triente, ſiue ſe
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cundis 80: ac rurſus ſecundis 53, ac iterum 18, iterumque
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6, &c. </
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<
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uius eſſe tempore per AS, fore tamen ipſi æquale. </
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<
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<
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temporis per SD. IV. Futurum, vt aut concluderes ni
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hil, aut vtereris paralogiſmo, quo Galileum vſum cauſ
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ſareris. </
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<
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">V. Fore, vt quæuis magnitudo, etiam ſemi
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diameter Mundi, tantulo tempore, quantulo SD li
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neola percurreretur. </
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<
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proportione deducta ſunt circa partem tertiam com
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paratam cum infimo eiuſdem primæ partis triente, ar
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ticulo XXXVIII. </
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<
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">Quomodo porrò tu excepiſti, reieciſti
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ve hos lapides? </
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<
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">Scilicet hoc loco dixiſſe contentus,
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fruſtrà eſſe:
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niſi quod iſthæc inſuper habes. </
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Sed ijſdem quoque numeris multa alia peccas: vt cùm nu
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mero xxxvi. </
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<
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">ita à diuiſione rationis argumentaris:
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Si ſit vt
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AE ad AD, ita AD ad AS: erit igitur diuidendo, vt
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AS ad SD, ita AD ad AE.
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Hic enim inferendi modus
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non est à diuiſione rationis: & quamuis, vt par eſt, terminos
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etiam diſponeres, nihil hac ratione concluderes, niſi priùs ſup
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poneres velocitatem per totam
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AE
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duplam eſſe velocitatis
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