Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              quo infrà, per Ax.14.num.2. certè tamdiu non deſtruitur, quamdiu nihil
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              eſt, quod exigat eius deſtructionem; igitur tamdiu conſeruatur per Ax.
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              14.num.3. </s>
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            <p id="N156A5" type="main">
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              Corollarium
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              1.
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              </s>
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            <p id="N156B4" type="main">
              <s id="N156B6">Inde certa ducitur ratio, cur mobile etiam ſeparatum à manu mouea­
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              tur; </s>
              <s id="N156BC">quia ſcilicet ipſi adhuc ineſt impetus, qui eſt cauſa motus; </s>
              <s id="N156C0">quippe
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              ſuppoſui iam antè de hac hypotheſi quod ſit, non tamen propter quid ſit;
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              igitur hæc eſt germana illius ratio & cauſa. </s>
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            <p id="N156C8" type="main">
              <s id="N156CA">
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              Corollarium.
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              2.
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              </s>
            </p>
            <p id="N156D7" type="main">
              <s id="N156D9">Hinc etiam rationem ducemus æquè præclaram in lib.2. motus natu­
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              raliter accelerati. </s>
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            <p id="N156DE" type="main">
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              Theorema
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              148.
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              </s>
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            <p id="N156EC" type="main">
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              Impetus productus aliquando deſtruitur
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              ; Probatur, quia mobile, quod
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              antè mouebatur, deſinit tandem moueri per hyp. </s>
              <s id="N156F9">4. igitur deſtruitur
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              impetus; alioqui ſi remaneret, eſſet cauſa neceſſaria ſine effectu contra
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              Ax.12. ideo porrò deſtruitur, quia aliquid exigit eius deſtructionem,
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              quippe hæc eſt vnica deſtructionis ratio per Ax.14. num.2. </s>
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            <p id="N15703" type="main">
              <s id="N15705">
                <emph type="center"/>
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              Theorema
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              149.
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              </s>
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            <p id="N15711" type="main">
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              In lineis oppoſitis impetus deſtruitur ab impetu ſuo modo
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              ; </s>
              <s id="N1571C">ſit enim globus
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              proiectus verſus auſtrum; </s>
              <s id="N15722">cui deinde imprimatur nouus impetus ver­
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              ſus Boream; </s>
              <s id="N15728">deſtruitur prior vt conſtat, igitur ad exigentiam alicuius,
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              ſed nihil eſt quod poſſit exigere, niſi nouus impetus, ſcilicet mediatè;
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              nihil enim aliud eſt applicatum, igitur nihil aliud exigit per Ax. 10.
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              hæc porrò exigentia non eſt immediata, ſed mediata, vt dixi. </s>
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            <p id="N15732" type="main">
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                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              150.
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              </s>
            </p>
            <p id="N15740" type="main">
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              Impetus naturalis innatus exigit deſtructionem alterius, qui ab extrinſeco
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              ad diuerſam lineam corpori graui impreſſus eſt ſcilicet mediatè,
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              experientia
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              certa eſt in proiectis, quæ tandem quieſcunt; </s>
              <s id="N1574F">igitur ad exigentiam ali­
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              cuius, ſed illud tantùm eſt impetus innatus; </s>
              <s id="N15755">nec enim eſt ſubſtantia
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              corporis; </s>
              <s id="N1575B">tùm quia qualitas ſubſtantiæ non opponitur; </s>
              <s id="N1575F">tùm quia nulla
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              eſſet ratio, cur ſubſtantia deſtrueret potiùs vno inſtanti vnum gradum,
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              quàm duos, quàm tres; </s>
              <s id="N15767">adde quod ex duobus violentis oppoſitis alte­
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              rum deſtruit; igitur impetus eſt cauſa ſufficiens deſtructiua impetus,
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              igitur non eſt ponenda alia, eo ſcilicet modo, quo diximus. </s>
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            <p id="N1576F" type="main">
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                <emph type="center"/>
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              Theorema
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              151.
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              </s>
            </p>
            <p id="N1577D" type="main">
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              In reflexione deſtruitur aliquid impotus ſaltem per accidens
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              ; patet expe­
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              rientia, ſiue propter nouam determinationem, ſiue propter attritum,
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              vel preſſionem partium, de quo infrà. </s>
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            <p id="N1578C" type="main">
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                <emph type="center"/>
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              Theorema
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              152.
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              </s>
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            <p id="N1579A" type="main">
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              Hinc ſi excipias tantùm impetum naturalem innatum, qui per ſuam de­
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              terminationem neceſſariam, & quam nunquam mutat, pugnat cum omni
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              </s>
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