Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              cam CA, ex A, facilius attolli motu recto, quàm circulari; cum ſci­
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              licet cuiuſdam quaſi reflexionis opera eodem tempore vtraque extremi­
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              tas æquali motu attollitur. </s>
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            <p id="N141AC" type="main">
              <s id="N141AE">
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              Theorema
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              81.
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              </s>
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            <p id="N141BA" type="main">
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            <p id="N141C1" type="margin">
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              Fig.
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              7.
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              Tab.
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              1.</s>
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              Si verò applicetur potentia extra centrum vectis v. g. in
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              F,
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              poſito centro in
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              A,
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              producitur impetus minor ab
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              F,
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              verſus
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              A; </s>
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              ab verò verſus
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              E,
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              producitur
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              eiuſdem perfectionis proportionaliter, cuius eſt ab
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              F,
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              verſus
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              A; denique ab E,
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              verſus B, producitur quidem vnum punctum, vel vnus gradus impetus
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              eiuſdem perfectionis cum eo, qui productus eſt in F, & in E (ſupponi­
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              tur enim ex. gr. vnus tantùm gradus in F, & in E, productus) at verò
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              producuntur alij imperfectiones. </s>
              <s id="N14218">v.g. in D, præter æquè perfectum pro­
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              ducuntur 3. alij adæquantes perfectionem prioris; </s>
              <s id="N14220">in C verò, præter 4.
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              ſimiles ijs, qui ſunt in D, producuntur 5. alij adæquantes prioris perfe­
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              ctionem in B7; atque ita deinceps per numeros impares, & quadrata,
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              nullus tamen producitur perfectioris entitatis. </s>
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            <p id="N1422A" type="main">
              <s id="N1422C">
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                <emph type="italics"/>
              Theorema
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              82.
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              </s>
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            <p id="N14238" type="main">
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              Determinatur hæc diuerſa perfectio impetus à diuerſa perfectione motus,
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              quatenus fit tali modo
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              ; </s>
              <s id="N14245">quæ non poteſt explicari per impetum remiſſio­
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              rem, vel intenſiorem; </s>
              <s id="N1424B">nam cum ſit tantùm impetus inſtitutus propter
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              motum; </s>
              <s id="N14251">certè ille tantùm impetus produci poteſt, ex quo poteſt ſequi
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              motus; </s>
              <s id="N14257">igitur ſi tali tantùm motu data pars mobilis moueri poteſt; haud
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              dubiè talis tantùm impetus, ex quo ſequitur talis motus, in ea produ­
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              cetur, & tali modo. </s>
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            <p id="N1425F" type="main">
              <s id="N14261">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              83.
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              </s>
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            <p id="N1426D" type="main">
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              Perfectio impetus non petitur tantùm à perfectione motus ſi conſideretur
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              ſeorſim entitas eiuſdem impetus; </s>
              <s id="N14277">ſed debet comparari tota collectio omnium̨
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              partium impetus, quæ inſunt datæ parti ſubiecti, cum tota collectione partium
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              quæ alteri parti mobilis inſunt
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              ; </s>
              <s id="N14282">quippe plures partes impetus poſſunt ha­
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              bere eum motum, vel potius eam motus perfectionem, quam pauciores
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              haberent; igitur perfectio illarum eſt ab ipſo motu, quatenus cum ipſo
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              partium numero comparatur. </s>
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            <p id="N1428C" type="main">
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              Theorema
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              84.
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              </s>
            </p>
            <p id="N1429A" type="main">
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              Impetus perfectus producere poteſt imperfectum
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              ; patet in vecte; </s>
              <s id="N142A5">nam po­
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              tentia, ſen pondus extremitati appenſum producit in ſe impetum, à quo
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              deinde impetus in toto vecte producitur per Th.42. ſed impetus pon­
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              deris appenſi eſt eiuſdem perfectionis cum impetu producto in ipſa ve­
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              ctis extremitate, ex qua pendet; </s>
              <s id="N142B1">cum ſit vtriuſque æqualis motus; ſed
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              verſus centrum eiuſdem vectis producitur impetus imperfectior per
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              Th.82. igitur imperfectus à perfecto producitur. </s>
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            <p id="N142B9" type="main">
              <s id="N142BB">
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              Theorema
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              85.
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              </s>
            </p>
            <p id="N142C7" type="main">
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              Impetus perfectus nunquam producitur ab imperfecto, per Ax.
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              3.
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              num.
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              2.
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              adde quod nunquam effectus perfectio ſuperat perfectionem cauſæ; </s>
              <s id="N142DA">dixi
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              perfectum ab imperfecto; </s>
              <s id="N142E0">ſcilicet ſi conſideretur perfectio ratione en-</s>
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