Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              eiuſdem ſubiecti, licèt coniunctarum.
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              </s>
              <s id="N12EFB"> Probatur 1. quia alioquin vna pars
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              impetus ſufficeret ad mouendam ingentem rupem; quod abſurdum eſt. </s>
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              2. ſicut vna pars caloris non reſoluit alias partes ſubiecti; ita nec im­
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              petus. </s>
              <s id="N12F08">3. Ratio à priori eſt; quia impetus non eſt cauſa efficiens motus
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              per Th. 13. ſed tantùm cauſa formalis per Th. 15. Igitur præſtat tantùm
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              ſuum effectum formalem in eo ſubiecto, in quo eſt. </s>
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              Corollarium
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              1.
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              </s>
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              <s id="N12F21">Hinc partes impetus non cauſant motum in ſuo ſubiecto actione, vel
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              exigentia communi; </s>
              <s id="N12F27">quia quælibet pars impetus exigit tantùm motum
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              ſui ſubiecti; </s>
              <s id="N12F2D">id eſt illius partis, quàm afficit; quod etiam probatur per
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              Ax. 13. </s>
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            <p id="N12F33" type="main">
              <s id="N12F35">
                <emph type="center"/>
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              Corollarium
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              2.
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              </s>
            </p>
            <p id="N12F42" type="main">
              <s id="N12F44">Hinc corpus grauius perſe, ſaltem eiuſdem materiæ, non cadit velo­
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              ciùs, quàm leuius, vti globus plumbeus 100. librarum, quàm globus
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              vnius libræ plumbeus; </s>
              <s id="N12F4C">quia ſcilicet impetus vnius partis non iuuat mo­
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              tum alterius: </s>
              <s id="N12F52">præterea tam facilè 2, partes impetus in 2. partibus ſubie­
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              cti receptæ eaſdem mouent, quàm 100. alias 100. dixi per ſe; </s>
              <s id="N12F58">nam di­
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              uerſa eſſe poteſt medij reſiſtentia; ſed de his fuſe in 2. lib.
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              Theorema
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              38.
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              </s>
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            <p id="N12F69" type="main">
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              Impetus recipitur tantùm in ipſa ſubſtantia ſubiecti naturaliter.
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              v. g. ſi
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              mobile ſit ferrum calidum, recipitur in ipſa ſubſtantia ferri; </s>
              <s id="N12F7A">non verò
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              in ipſo calore (ex ſuppoſitione quod calor ſit accidens, vt aliàs demon­
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              ſtrabimus; </s>
              <s id="N12F82">nec in alijs accidentibus, ſi quæ ſunt, in eodem ſubiecto; </s>
              <s id="N12F86">pro­
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              batur 1. quia ſi produceretur etiam impetus in accidentibus, quo plu­
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              ra eſſent accidentia in aliquo ſubiecto; </s>
              <s id="N12F8E">plures quoque partes impetus
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              producendæ eſſent; igitur maiori potentiâ opus eſſet per Ax. 13. n. </s>
              <s id="N12F94">4.
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              Igitur difficiliùs mouerentur, quod eſt abſurdum. </s>
              <s id="N12F99">Diceret fortè ali­
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              quis eundem impetum recipi ſimul in ſubſtantia & in ipſis accidenti­
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              bus; </s>
              <s id="N12FA1">ſed contra, nam reuera, ſi hoc eſſet, dum proijcitur ferrum cali­
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              dum, & ſtatim frigefit, deſtrueretur totus impetus, deſtructo ſcilicet
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              eius ſubiecto: </s>
              <s id="N12FA9">2. qui hoc diceret, deberet probare; </s>
              <s id="N12FAD">nam eodem modo
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              mouetur corpus ſiue afficiatur pluribus accidentibus, ſiue paucioribus;
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              igitur non euincit experientia recipi in illis impetum, nec etiam ratio,
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              vt dicam paulò poſt. </s>
              <s id="N12FB7">Ratio à priori eſſe poteſt; </s>
              <s id="N12FBB">quia accidens cum ſuo
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              ſubiecto coniunctum exigit ſemper eſſe præſens ſubiecto, cum natura­
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              liter extra ſubiectum exiſtere non poſſit; </s>
              <s id="N12FC3">igitur cum exigat conſerua­
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              ri, & exiſtere; </s>
              <s id="N12FC9">eo tantùm modo, quo poteſt naturaliter conſeruari &
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              exiſtere; </s>
              <s id="N12FCF">certè exigit conſeruari, & ineſſe ſubiecto; </s>
              <s id="N12FD3">igitur exiſtere in
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              eo loco, in quo exiſtit ſubiectum, vt patet; igitur, ſi ſubiectum mutet
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              locum etiam accidens cum eo coniunctum mutare debet. </s>
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            <p id="N12FDB" type="main">
              <s id="N12FDD">Dices, igitur ſimiliter dici poteſt non recipi impetum in omni­
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              bus partibus ſubiecti mobilis, ſed in vnâ dumtaxat; cui cum
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              aliæ ſint vnitæ, exigunt moueri ſine impetu ad illius motum? </s>
              <s id="N12FE5">cum
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              hoc ipſum ad omnem vnionem ſpectare videatur; </s>
              <s id="N12FEB">Reſpondeo vnam </s>
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