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

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              <s id="s.000215">
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              potius eſſe caſum ab acceleratione violentum, quàm à ſimplici
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              motu naturalem. </s>
              <s id="s.000216">Quàm parùm autem cenſendum ſit, quod
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              ex ſimplici motu eſt, ex eo probatur, quòd ſi qualis incipit mo­
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              tus quo momento primo eſt adhûc ab acceleratione liber, talis
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              perſeueraret per duarum
                <expan abbr="orgyiarũ">orgyiarum</expan>
              altitudinem; ille, aſſumpto
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              pro primo momento, vno minuto ex ijs, quæ decima vocant, non­
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              dum eſſet planè peractus poſt annos
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              5322380:
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              neque adeò lapis,
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              ſi occœpiſſet illo motu ab vſque initio Mundi cadere, perfeciſſet
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              iam ſeptimam vnam digiti partem. </s>
              <s id="s.000217">Deinde, cùm illud vio­
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              lentum dicatur, cuius principium extra eſt; etiam deſcenſus, ſeu
                <lb/>
              ſimplex motus eſſe comprobatur à principio externo, nempe à
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              virtute attractrice Terræ (credebatur tunc poſſe quoque aër à
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              tergo impellere) tum quia lapis ſeu intra vacuum (vbi nihil
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              cum Mundo, Terráque adeò communicaret, ac perinde illi fo­
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              ret, ſeu eſſet, ſeu non eſſet Mundus) ſeu intra aërem infinitum
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              (ſi ſolus præter ipſum foret) talem motum nullum haberet:
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              tum quia quæ res ſunt intenſionis capaces, à qua cauſſa habent
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              gradus reliquos, ab ea nanciſcuntur & primum; atque adeò,
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              vti dum calefit aqua, non cæteri gradus ab externo ſunt, pri­
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              mus ab interno principio, ſed omnes ab externo ſunt: ita dum
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              lapis deorsùm mouetur, non cæteræ motus partes ab externa
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              cauſſa, & prima ab interna ſunt; verùm ſunt omnes ab ex­
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              terna.
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              A p. </s>
              <s id="s.000218">240. in 246. </s>
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              <s id="s.000219">ART. XI. XII. XIII. XIV. </s>
              <s id="s.000220">Terram grauia
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              attrahere; &, Quid illi contingeret, ſi verſus
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              Lunam dimoueretur? </s>
              <s id="s.000221">Quid lapidi, ſi intra for­
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              nicem ad centrum Terræ conſtitueretur? </s>
            </p>
            <p type="main">
              <s id="s.000222">
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              Cùm attrahi grauia à Terra videantur, ob cauſſam iam
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              expoſitam: Ad illud, quod quærit R. P. quid ipſi Terræ con-
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              </s>
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