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

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              <s id="s.000497">
                <pb pagenum="34" xlink:href="028/01/074.jpg"/>
                <emph type="italics"/>
              ſcientiæ principia, à viris etiam eruditis eſſe receptos.
                <emph.end type="italics"/>
                <lb/>
              Quandò, inquam, hæc ſubiicis, nemo profectò fa­
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              cilè hæreat, qum ipſe, expertus, illa videris, quæ
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              neque Galileus, neque alij viderunt. </s>
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            <p type="main">
              <s id="s.000498">XX. </s>
              <s id="s.000499">Quod meattinet; cùm lapidem video ex vna,
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              ex duabus, ex tribus, ex quatuor orgyiis cadentem in
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              terram; agnoſco quidem eſſe ictum, atque idcircò
                <lb/>
                <expan abbr="impetũ">impetum</expan>
              , velocitatem que maiorem ex duabus orgyiis,
                <lb/>
              quàm ex vna, ex tribus, quàm ex duabus, ex quatuor
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              quàm ex tribus; verùm eſſe duplò præcisè maiorem
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              ex duabus, quàm ex vna, triplò ex tribus, quadruplò
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              ex quatuor, nulla penitùs ratione agnoſco. </s>
              <s id="s.000500">Neque
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              enim poſſum id diſpicere ex cauitate in terram facta,
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              aut penetratione in ipſam; quoniam neque lapis du­
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              plò profundiùs cauat, penetratque ex dupla altitudine,
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              aut triplò ex tripla; neque cognitus eſt aut gradus
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              reſiſtentiæ, quo talis terra obnititur; aut progreſſus,
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              quo creſcit reſiſtentia, dum quò inferiùs tenditur,
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              eò partes terræ minùs ſeu deorſum, ſeu in latera ce­
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              dere, compelli, ac ſubire poſſunt: vt habita proinde
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              ratione huius reſiſtentiæ, colligere valeam id, quod
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              ad duplam penetrationem ex altitudine dupla dceſt,
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              non aliunde eſſe, quàm ex huiuſmodi reſiſtentia. </s>
              <s id="s.000501">Sic
                <lb/>
              cùm video fiſtucam in palum delapſam ex ſimplici,
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              dupla, aut tripla altitudine: quandoquidem neque
                <lb/>
              video palum defigi profundiùs in terram, duplo qui­
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              dem ex dupla, aut triplò ex tripla altitudine; neque
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              perſpectum habeo quo gradu, in qualibet profundi­
                <lb/>
              tatis parte ipſi vrgenti reſiſtatur; aduerto quidem
                <lb/>
              maiorem ictum, maioremque impetum, ac veloci-</s>
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          </chap>
        </body>
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