Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

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              <s id="s.001219">
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              manifeſtum eſt. </s>
              <s id="s.001220">Non rectè igitur concludis globos eiuſdem
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              naturæ, ſed mole inæqualeis, inæquali velocitate deſcenſuros,
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              ſi penes eorum diametros expenderentur eorum velocitates.
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              <s id="s.001221">Quoniam igitur me tam parùm eſſe perſpicacem,
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              ſagacemque, arguis, vt quod dixi de duobus globis
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              non aduerterim; age diſquiramus, tua-ne perſpicacia,
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              & ſagacitas aduerterit ſatis eam, quam inſtituiſti ani­
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              maduerſionem. </s>
              <s id="s.001222">Ego quidem ſoleo in rebus, quæ di­
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              cuntur graues, grauitatem duplicem (duplexve pon­
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              dus) diſtinguere. </s>
              <s id="s.001223">Vnam appello Simplicem, eam nem­
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              pe, quæ conuenit rei etiam quieſcenti: vt putà qualem
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              habet lapis, dum immotus terram ſuppoſitam pre­
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              mit, aut claua immota ſuppoſitum cuneum. </s>
              <s id="s.001224">Alteram
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              Adiectitiam voco, eam putâ, quæ rei ex motu accele­
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              rato aduenit, & deſinente motu euaneſcit; qualem ſci­
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              licet habet lapis, prout ex alto decidit, aut claua, prout
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              tum decidit, tum robuſta quoque impingitur manu.
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              </s>
              <s id="s.001225">Cùm verò ſimplex grauitas menſura adiectitiæ ſit, qua­
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              tenus pro exceſſu grauitatis ſimplicis, quo vnum cor­
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              pus ſuperat aliud, exceſſus quoque eſt adiectitiæ, ſi
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              vtrumque quidem ex eadem decidat altitudine: ideò
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              ſimplici grauitate duorum corporum pondere inæqua­
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              lium data, habeo adiectitiam vtriuſque ex pari caſu
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              acquiſitam, in eadem ratione, proportioneve, qua ſim­
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              plicem: Adeò vt, ſi ſimplex vnius ſit librarum decem,
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              & alterius centum; vbi adiectitia prioris fuerit centum,
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              poſterioris futura ſit mille. </s>
              <s id="s.001226">Et quia grauitas vtriuſque
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              adiectitia ex effectu, ſeu percuſſione in rem ſubiectam
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              facta cognoſcitur: ideò rem attendo penes percuſſio­
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              nem, quatenus ipſa notior eſt, faciléque intelligitur, </s>
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