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

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              <s id="s.000917">
                <pb pagenum="107" xlink:href="028/01/147.jpg"/>
              dere; & quia videtur
                <emph type="italics"/>
              conformitas
                <emph.end type="italics"/>
              idem ſonare, quod
                <lb/>
                <emph type="italics"/>
              proportio,
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              confundere quoque cum
                <emph type="italics"/>
              proportione vnifor­
                <lb/>
              mitatem:
                <emph.end type="italics"/>
              cùm videatur tamen
                <emph type="italics"/>
              Vniformitas
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              relatio eſſe
                <lb/>
              identitatis, ob vnum, eundemque tenorem, in vna,
                <lb/>
              atque eademre;
                <emph type="italics"/>
              Proportio
                <emph.end type="italics"/>
              autem eſſe potiùs ſimilitu­
                <lb/>
              dinis relatio, quæ in rebus alioquin diuerſis, ſiue diſſi­
                <lb/>
              tis reperiatur. </s>
              <s id="s.000918">Ex hoc quippe eſt, cur dicatur inter
                <lb/>
              fontem, & radicem, non
                <emph type="italics"/>
              vniformitas,
                <emph.end type="italics"/>
              ſed
                <emph type="italics"/>
              proportio
                <emph.end type="italics"/>
              eſ­
                <lb/>
              ſe: & in colore pennarum cycni, non
                <emph type="italics"/>
              proportio,
                <emph.end type="italics"/>
              ſed
                <lb/>
                <emph type="italics"/>
              vniformitas:
                <emph.end type="italics"/>
              ac eodem ex capite eſt, cur in progreſſio­
                <lb/>
              ne Geometrica rationem vnius ad quàtuor, quatuor ad
                <lb/>
              ſexdecim, ſexdecim ad ſexaginta quatuor, dicamus
                <lb/>
              eſſe
                <emph type="italics"/>
              proportionem,
                <emph.end type="italics"/>
              non verò vniformitatem; & in pro­
                <lb/>
              greſſione Arithmetica vnius duorum, trium, quatuor,
                <lb/>
              vel duorum, quatuor, ſex, octo; vel trium ſex, nouem,
                <lb/>
              duodecim, &c.
                <emph type="italics"/>
              vniformitatem
                <emph.end type="italics"/>
              eſſe, & non
                <emph type="italics"/>
              proportionem
                <emph.end type="italics"/>
                <lb/>
              dicamus. </s>
              <s id="s.000919">Heinc igitur eſt, quorsùm videar non iniu­
                <lb/>
              riâ ſupponere accelerationem motus, vt
                <emph type="italics"/>
              vniformis,
                <emph.end type="italics"/>
              ſeu
                <lb/>
              æquabilis ſit, debere Arithmetica progreſſione ince­
                <lb/>
              dere, & ea quidem ſecundum impareis ab vnitate nu­
                <lb/>
              meros, putà vnum, tria, quinque, ſeptem, &c. </s>
              <s id="s.000920">aſſum­
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              pta; cùm tu, licet Geometricarum ſim pliciſſimam, du­
                <lb/>
              plam nempe, elegeris reperire in ea vniformitatem,
                <lb/>
              ſeu æquabilitatem non poſſis: &, ſi reperire velis ali­
                <lb/>
              quam, Arithmeticam vſurpare cogaris, eam nempe,
                <lb/>
              quæ ſecundum vnitates eſt, veluti dum ais gradus ve­
                <lb/>
              locitatis ſic acquiri, vt ſint in fine primi ſpatij vnus, in
                <lb/>
              ſine ſecundi duo, in fine tertij tres, &c. </s>
              <s id="s.000921">Quamobrem
                <lb/>
              autem dicas definitionem, de qua agitur,
                <emph type="italics"/>
              veram, per­
                <lb/>
              fectamque non probari, quòd ea ratione concepta ſit, qua
                <emph.end type="italics"/>
              </s>
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