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

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              <s id="s.001688">
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              agere non prohiberetur, non competeret actio. </s>
              <s id="s.001689">At ſi
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              dicas prius; aut impetus prima actione, & qualibet con­
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              ſequente impreſſus euaneſcit, aut manet. </s>
              <s id="s.001690">Si euaneſcit,
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              ergo debet pari ratione euaneſcere, qui ſecundo mo­
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              mento, & conſequente quolibet ab aëre imprimitur;
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              neque enim potior eſt ratio de vna cauſſa, quàm de
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              alia (imò neque vlla ratio de vtravis eſt; cùm & dici
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              non valeat quid perire impetum faciat, &, ſi quid di­
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              catur, probaturum ſit, quicquid vnico ictu à nobis per­
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              cellitur, eo ſolo momento, quo percellitur, moueri, ne­
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              que vel tan tillum perſeuerare poſſe in motu, tanquam
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              impetu illicò pereunte) quare & aëre nequicquam
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              pellente perſeuerabit nihilominus conſtitutus à te
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              æquabilis motus. </s>
              <s id="s.001691">Sin manet: ergo impetus primi mo­
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              menti additusimpetui ſecundi, & quilibet anteceden­
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              tes additi conſequentibus motum efficient celeriorem.
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              </s>
              <s id="s.001692">Itaque motus à grauitate ſola non ſic elicietur, vt ſit
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              ſemper ſui ſimilis, atque vniformis; neque grauitas
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              ſemper eadem, ſimiliſque ſui, & inalterata (hoc eſt, quæ
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              à me ſimplex dicta eſt, ſine appellata adiectitia) per­
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              ſeuerabit. </s>
            </p>
            <p type="main">
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              IN RESPONSIONIS CONCLVSIONEM.
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            <p type="main">
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              Et hæc, Clarißime
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              G
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              aſſende, præcipua ſunt, quæ tibi
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              neceſſariò pro me, & pro veritate reſcribenda putaui; tum
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              vt, ſi fieri poteſt, eam tibi, quam ignotam acrius impugnas,
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              veritatem, maiore luce illuſtratam aperiam: tum vt, ne ſal­
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              tem apud eos, qui Responſionem tuam viſuri ſunt, adeò de­
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              formis, & abſurdus appaream, quàm me deformem, & ab-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
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    </archimedes>