Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              <s id="N19693">
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              adeſt contrarius impetus deſtructiuus eo modo, quo explicuimus l. 1. non
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              eſt ponenda alia cauſa deſtructiua. </s>
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            <p id="N196AD" type="main">
              <s id="N196AF">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              22.
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N196BB" type="main">
              <s id="N196BD">
                <emph type="italics"/>
              Hinc neceſſe eſt impetum violentum deſtrui ab impetu naturali innato
                <emph.end type="italics"/>
              ; </s>
              <s id="N196C6">pro­
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              batur, quia nulla eſt cauſa extrinſeca deſtructiua ſaltem adæquatè per hT.
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              20.igitur eſt intrinſeca per Ax.4. l.2. ſed intrinſeca vel eſt mobilis enti­
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              tas, vel grauitas, vel impetus innatus; </s>
              <s id="N196D0">ſed mobilis entitas non eſt cauſa
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              deſtructiua; nec etiam ipſa grauitas per Th.21. igitur impetus naturalis
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              innatus. </s>
            </p>
            <p id="N196D8" type="main">
              <s id="N196DA">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
                <emph.end type="italics"/>
              23.
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N196E6" type="main">
              <s id="N196E8">
                <emph type="italics"/>
              Hinc vera ratio cur ſingulis inſtantibus aliquid deſtruatur,
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              quia ſingulis
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              inſtantibus eſt cauſa deſtructiua applicata, igitur ſingulis inſtantibus de­
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              ſtruit per Ax. 12. l. 1. </s>
            </p>
            <p id="N196F7" type="main">
              <s id="N196F9">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
                <emph.end type="italics"/>
              24.
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              </s>
            </p>
            <p id="N19705" type="main">
              <s id="N19707">
                <emph type="italics"/>
              Hinc etiam ratio cur ſingulis instantibus, ſeu æqualibus temporibus æqua­
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              liter deſtruatur
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              ; </s>
              <s id="N19712">quia ſingulis inſtantibus eſt eadem cauſa deſtructiua ap­
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              plicata; igitur ſingulis inſtantibus æqualiter deſtruit per Ax.3.l.2.porrò
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              in tantum deſtruit in quantum efficit, vt aliquid ſit fruſtrà, vt fusè di­
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              ctum eſt lib.1.vel in quantum exigit eius
                <expan abbr="deſtructionẽ">deſtructionem</expan>
              , nam perinde eſt. </s>
            </p>
            <p id="N19720" type="main">
              <s id="N19722">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              25.
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              </s>
            </p>
            <p id="N1972E" type="main">
              <s id="N19730">
                <emph type="italics"/>
              Hinc etiam petitur ratio, propter quam talis portio impetus violenti de­
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              ſtruatur vne inſtanti
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              ; quia ſcilicet contraria pugnant prorata per Ax.15.
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              & per Th.134.l.1. </s>
            </p>
            <p id="N1973D" type="main">
              <s id="N1973F">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
                <emph.end type="italics"/>
              26.
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N1974B" type="main">
              <s id="N1974D">
                <emph type="italics"/>
              Hinc illa inuerſa communis dicti, æqualibus temporibus æqualia deſtruun­
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              tur velocitatis momenta in motu violento
                <emph.end type="italics"/>
              ; quippe eadem cauſa eidem ſub­
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              jecto applicata æqualibus temporibus æqualem effectum producit per
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              Ax.3.l.2. ſed impetus innatus eſt cauſa deſtructiua impetus violenti per
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              Th. 22. igitur æqualibus temporibus, &c. </s>
            </p>
            <p id="N1975E" type="main">
              <s id="N19760">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              27.
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              </s>
            </p>
            <p id="N1976C" type="main">
              <s id="N1976E">
                <emph type="italics"/>
              In eadem proportione retardatur motus violentus, in qua naturalis accele­
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              ratur
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              : </s>
              <s id="N19779">probatur quia ſingulis inſtantibus æqualibus acquiritur æqualis
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              gradus impetus, vt ſæpè dictum eſt ſuprà; </s>
              <s id="N1977F">atqui ſingulis inſtantibus de­
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              ſtruitur vnus gradus impetus violenti per Th.24. ſed ille gradus reſpon­
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              det impetui innato per Th. 25. igitur æqualibus temporibus tantùm de­
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              ſtruitur violenti, quantùm acquiritur naturalis; cum enim primo in­
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              ſtanti ſit impetus naturalis, & ſecundo tempore æquali acquiratur æqua­
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              lis, item tertio, quarto, &c. </s>
              <s id="N1978D">certè cum impetus innatus pugnet cum vio­
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              lento pro rata; </s>
              <s id="N19793">nec ſit potior ratio cur maiorem portionem quàm mino­
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              rem deſtruat, æqualem certè deſtruit, itemque ſecundo inſtanti æqua­
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              lem, item tertio, quarto; igitur in eadem proportione decreſcit violentus,
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              ſeu retardatur, in qua naturalis acceleratur. </s>
            </p>
          </chap>
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