Fabri, Honoré, Tractatus physicus de motu locali, 1646
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              in ſecundo libro impetum innatum ſæpiùs eſſe ſine motu; cum ſcilicet
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              impeditur à corpore ſuſtinente? </s>
              <s id="N12579">immò dicemus infrà primo inſtanti,
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              quo eſt impetus, nondum eſſe motum. </s>
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              <s id="N12580">Obſeruabis autem certiſſimam regulam; ſcilicet ex impoſſibilitate
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              effectus formalis, ſequi impoſſibilitatem cauſæ formalis, huiuſque poſſi­
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              bilitatem ex illius poſſibilitate. </s>
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              Theorema
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              18.
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              Niſi eſſet impetus, non eſſet naturaliter motus.
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              <s id="N1259F"> Quia niſi eſſet cauſa, non
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              eſſet naturaliter effectus per Ax. 8. Impetus enim eſt cauſa motus per
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              Th.15. Deinde omnis motus eſt ab aliqua potentia motrice, vt patet ex
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              omni hypotheſi; </s>
              <s id="N125A9">ſiue ſit naturalis in grauibus, & leuibus, ſiue ſit vitalis
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              in viuentibus; </s>
              <s id="N125AF">ſiue ſit media in compreſſis, & dilatatis; ſiue alia quæli­
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              bet: </s>
              <s id="N125B5">ſed omnis potentia motrix eſt actiua, quia mouet; </s>
              <s id="N125B9">ergo agit, ſed
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              motum non producit per Th. 2. Igitur impetum, qui deinde exigit mo­
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              tum per Th. 14. Dixi naturaliter; </s>
              <s id="N125C1">quia non eſt dubium, quin Deus ſine
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              impetu aliquo modo mouere poſſit; </s>
              <s id="N125C7">ideſt, facere ſine impetu, vt corpus
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              mutet locum: </s>
              <s id="N125CD">nec dicas Deum non poſſe ſupplere vices cauſæ formalis; </s>
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              nam concedo id quidem pro effectu formali primario; </s>
              <s id="N125D6">nec enim Deus
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              poteſt facere, vt aliquid ſit calidum ſine calore; </s>
              <s id="N125DC">cum eſſe calidum ſit
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              idem, ac eſſe habens calorem; </s>
              <s id="N125E2">id tamen nego pro effectu ſecundario,
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              quem ſcilicet cauſa formalis exigit: </s>
              <s id="N125E8">Etenim ſicut poteſt ſummo iure non
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              ſatisfacere exigentiæ; </s>
              <s id="N125EE">ita poteſt id
                <expan abbr="cõferre">conferre</expan>
              ſine exigentiâ, quòd cum exi­
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              gentia conferre poteſt; ſic poteſt corpus reſoluere ſine calore, mouere
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              fine impetu &c. </s>
              <s id="N125FA">quanquam vt verum fatear non eſſet propriè motus, ſed
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              quaſi continuæ reproductionis modus; </s>
              <s id="N12600">nam motus dicit aliquam paſ­
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              ſionem; ſcilicet actum entis in potentiâ, vt aiunt. </s>
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                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              19.
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              </s>
            </p>
            <p id="N12614" type="main">
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              Si eſſet motus naturaliter ſine impetu, corpus per ſe ipſum moueretur,
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              id eſt,
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              exigeret motum per ſuam entitatem; </s>
              <s id="N12621">quia nullus impetus exigeret; </s>
              <s id="N12625">ergo
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              aliquid aliud, nihil diſtinctum, alioquin eſſet impetus; ergo ipſa corpo­
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              ris entitas; quanquam non eſſet motus, vt iam dictum eſt, quia non eſ­
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              ſet paſſio. </s>
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                <emph type="italics"/>
              Theorema
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              20.
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              Corpus illud æquali ſemper motu ferretur per ſe
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              ; </s>
              <s id="N12648">Quia eſſet ſemper ea­
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              dem cauſa neceſſaria motus, id eſt, ipſa entitas corporis; </s>
              <s id="N1264E">igitur idem
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              effectus per Axioma 12. igitur idem, vel æqualis motus: dixi per ſe pro­
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              pter diuerſum medium. </s>
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              <s id="N12658">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              21.
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              </s>
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            <p id="N12664" type="main">
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              Si eſſet aliquod corpus eſſentialiter mobile, impetu non indigeret.
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              </s>
              <s id="N1266D"> Probatur; </s>
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              quia in tantum indiget mobile impetu vt impetus exigat motum; </s>
              <s id="N12675">ſed
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              corpus illud per ſuam eſſentiam exigeret motum; </s>
              <s id="N1267B">igitur non indigeret
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              impetu; </s>
              <s id="N12681">poſſet tamen impediri eius motus, vt patet; immò eſſet capax
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              recipiendi impetus., ſiue quem in ipſo produceret, ſiue quem ab alia </s>
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