Fabri, Honoré, Tractatus physicus de motu locali, 1646

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          <chap id="N1137F">
            <p id="N11F78" type="main">
              <s id="N11F94">
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              conatu agat: </s>
              <s id="N11F9D">immò ſi potentia motrix produceret motum primum, non
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              impetum in corpore proiecto; </s>
              <s id="N11FA3">nulla deinde eſſet cauſa applicata ad pro­
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              ducendum impetum: </s>
              <s id="N11FA9">Itaque hic motus primi generis, ſi comparetur
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              cum potentia motrice, eſt verè influxus, vel actio; </s>
              <s id="N11FAF">ſi cum termino, eſt
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              eius fieri, ſeu dependentia; </s>
              <s id="N11FB5">ſi cum ſubiecto, ſeu mobili eſt paſſio; </s>
              <s id="N11FB9">nec
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              propriè dicitur produci, niſi vt quo (vt vulgò loquuntur) nec enim
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              actio eſt terminus, vel effectus, in quo ſiſtat cauſa; ſed eſt via, qua ten­
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              dit ad terminum. </s>
              <s id="N11FC3">Motus ſecundi generis eſt mutatio, ſeu tranſitus ex
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              vno loco in alium; </s>
              <s id="N11FC9">hoc eſt finis, vel effectus formalis ſecundarius,
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              quem exigit impetus; </s>
              <s id="N11FCF">& fruſtrà ponitur alia entitas, quæ tantùm eſſet
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              inſtituta ad exigendam iſtam loci mutationem; Igitur ſi ſufficienter
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              exigatur ab ipſo impetu, de quo infrà, certè fruſtra ponitur quodcun­
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              que aliud per Ax.3. & 7. </s>
            </p>
            <p id="N11FD9" type="main">
              <s id="N11FDB">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
                <emph.end type="italics"/>
              4.
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N11FE8" type="main">
              <s id="N11FEA">
                <emph type="italics"/>
              Cauſa illa immediata motus, quæ non est efficiens, potest tantùm eſſe exi­
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              gens, quæ reducitur ad formalem, quæ ſuum effectum formalem ſecundarium,
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              id est ſuum finem intrinſecum exigit.
                <emph.end type="italics"/>
              </s>
              <s id="N11FF5"> Sic calor exigit rarefactionem, vel
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              reſolutionem, impetus motum; </s>
              <s id="N11FFB">cum enim non ſit cauſa efficiens per Th.
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              2. ſit tamen cauſa per Th.3. nec ſit materialis, nec finalis, vt conſtat, de­
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              bet eſſe formalis, vel exigens, ſeu exigitiua; </s>
              <s id="N12004">vt patet ex ipſa cauſarum
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              enumeratione; </s>
              <s id="N1200A">non eſt materialis, quia non recipit motum, niſi ab alio; </s>
              <s id="N1200E">
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              nec finalis, quæ ſupponit alias; cum ipſa non ſit dum ponitur
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              effectus. </s>
            </p>
            <p id="N12015" type="main">
              <s id="N12017">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
                <emph.end type="italics"/>
              5.
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N12024" type="main">
              <s id="N12026">
                <emph type="italics"/>
              Entitas ſeu ſubstantia mobilis non eſt cauſa immediata motus,
                <emph.end type="italics"/>
              Sit enim
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              lapis proiectus per Poſtul. haud dubiè ſubſtantia lapidis non eſt cauſa
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              huius motus; </s>
              <s id="N12035">quia lapis tandem ſiſtit per hypoth.4. igitur non eſt cauſa
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              motus, quia eſſet cauſa neceſſaria; </s>
              <s id="N1203B">igitur ſemper cauſaret per Ax.12. præ­
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              terea potentia motrix proiicientis verè agit, cum etiam defatigetur; </s>
              <s id="N12041">igi­
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              tur aliquid producit, non motum immediatè, qui produci non poteſt pro
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              prièper Th. 2. Adde quod motus ſecundi generis habet tantùm cauſam
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              immediatam exigentem, ſed potentia motrix non exigit; </s>
              <s id="N1204B">quia primò
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              non defatigaretur exigendo; </s>
              <s id="N12051">ſecundò quia lapis ſeparatus à manu etiam
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              mouetur, ſed non ad exigentiam potentiæ motricis, vt patet; </s>
              <s id="N12057">quia ſtatim
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              poſt ſeparationem poteſt illa potentia deſtrui, licèt lapis longo pòſt
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              tempore moueatur; ſed quod non eſt, nihil exigit. </s>
            </p>
            <p id="N1205F" type="main">
              <s id="N12061">Aliquis fortè diceret potentiam motricem exigere primam partem
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              motus, quæ deinde ſecundam exigit, & ſecunda tertiam, tertia quar­
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              tam, &c. </s>
              <s id="N12068">Sed contra; </s>
              <s id="N1206B">quæro quid ſit prima illa pars motus; </s>
              <s id="N1206F">nec enim
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              aliud agnoſco niſi primam mutationem loci, quæ mutatio non poteſt
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              exigere niſi quando eſt; </s>
              <s id="N12077">atqui quando eſt, nihil reale eſt actu niſi mo­
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              bile, & nouus locus acquiſitus, mobile ipſum non exigit, vt demonſtra­
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              tum eſt, & conceſſum, nec etiam locus de nouo acquiſitus, in quo
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              ſcilicet mobile ſiſtere poteſt: quidquid pones aliud, impetum appellabo. </s>
            </p>
          </chap>
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