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

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              <s id="s.001826">IX. </s>
              <s id="s.001827">Heinc igitur, quando ais,
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              fore, vt mibi eruditiomnes
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              accelerationem violentam concedant, non verò deſcenſum, niſi
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              hunc ab eius acceleratione mente, vt dictum eſt, ſeiunctum à
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              principio externo, & contra naturæ inclinationem procedere
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              euidentiùs oſtendam:
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              Vides primò non eſſe opus, vt oſten
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              dam deſcenſum fieri contra naturæ inclinationem, qui
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              exiſtimo illum fieri ſine naturæ reluctatione. </s>
              <s id="s.001828">Deinde
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              ſatis mihi tribui, cùm acceleratio eſſe violenta conce­
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              ditur; quippe motus ſolus, qui eſt ab acceleratione, ſiue
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              à cauſſa accelerante, ſenſibilis eſt, atque adeò ſolus, de
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              quo conſentaneum ſit requirere, naturaliſ-ne ſit, an
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              violentus; cùm alioquin motum, ſeu deſcenſum illum
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              reſiduum, qui perſæcula integra fieri non poſſit ſenſi­
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              bilis, nemo perinde ſit curaturus. </s>
              <s id="s.001829">Tertio requiſiiſſe
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              me illum, vt eſſet principium, à quo acceleratio incipe­
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              ret, fieretque radix proportionis, qua acceleratio in­
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              creſcit. </s>
              <s id="s.001830">Quòd autem illum eſſe putârim ab externo
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              principio, cauſſa fuit imprimis, quia animaduert, ſi
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              Deus vacuum fecerit locum intra regionem aëris, in
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              quem nihil prorsùs neque ex aëre, neque ex Terra, ne­
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              que aliunde penetret, ac lapis in eius medio collocetui;
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              futurum non eſſe, curlapis verſus vllam partem mouea­
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              tur, magis quàm motus fuiſſet, ſi illum Deus in eodem
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              loco ante conditum Mundum conſtituiſſet, aut mo­
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              uendus eſſet, ſi deinceps totus circa eum Mundus de­
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              ſtrueretur. </s>
              <s id="s.001831">Nempe, quia nihil penitùs cum toto Mun­
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              do communicaret, perinde illi penitùs foret, ſeu eſſet,
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              ſeu non eſſet Mundus. </s>
              <s id="s.001832">Et quia aliunde animaduerti
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              futurum, vt ſi Deus circum creârit, reſtitueritve aërem,
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              lapis tum moueatur, feraturque verſus Terram, potius </s>
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