Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              tempore deſtruitur totus impetus; </s>
              <s id="N1DCDB">ſi verò proiiciatur per LC; </s>
              <s id="N1DCDF">certè im­
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              petus totus non deſtruitur per LC, eo tempore, quo ex F aſcenderet in
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              C, ſed pro rata, id eſt in ratione FC ad LC, quæ ſit ſubdupla v.g. igitur
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              impetus deſtruitur tantùm ſubduplus; </s>
              <s id="N1DCEB">igitur eo tempore, quo ex F aſcen­
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              dit in C, ex L aſcendet in K, ita vt LM æquali FC addatur MK æqua­
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              lis EB; eſt autem EB ſubdupla CA vel EF. </s>
              <s id="N1DCF3">Similiter ſit perpendicu­
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              lum FG, & inclinata HF tripla FG; </s>
              <s id="N1DCF9">aſſumatur FC æqualis FG, item­
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              que HO æqualis GF; </s>
              <s id="N1DCFF">certè eo tempore, quo perpendiculari detrahitur
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              totus impetus, detrahitur tantùm ſubtriplum per inclinatam HF; </s>
              <s id="N1DD05">igitur
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              aſſumatur ER ſubtripla EF; </s>
              <s id="N1DD0B">& addatur OP æqualis FR: </s>
              <s id="N1DD0F">dico quod eo
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              tempore, quo ex G aſcendit in F, ex H aſcendit in P; </s>
              <s id="N1DD15">quippe aſcenderet
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              in O, ſi eo tempore totus impetus deſtrueretur, & in S ſi nullus; </s>
              <s id="N1DD1B">igitur
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              in P, ſi ſubtriplus tantùm deſtruatur, deſtruitur porrò ſubtriplus, quia vis
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              impetus innati per FH eſt tantùm ſubtripla eiuſdem per FG; </s>
              <s id="N1DD23">atqui de­
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              ſtruitur tantùm ab impetu innato, quæ omnia certiſſimè conſtant; Ex
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              quo habes tempora eſſe vt lineas. </s>
            </p>
            <p id="N1DD2B" type="main">
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                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              42.
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              </s>
            </p>
            <p id="N1DD39" type="main">
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              Hinc poteſt dici quo tempore conficiatur tota inclinata ſurſum ſcilicet eo
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              tempore quo inclinata deorſum percurritur.
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              v.g, CL dupla CF percurritur
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              tempore duplo illius, quo percurritur CF; </s>
              <s id="N1DD48">igitur mobile proiectum ex
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              L in C percurrit LC eodem tempore aſcendendo, quo percurrit EL de­
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              ſcendendo; ſed percurrit EL deſcendendo eodem tempore, quo percur­
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              rit perpendicularem quadruplam CF, vt ſuprà diximus. </s>
            </p>
            <p id="N1DD52" type="main">
              <s id="N1DD54">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              43.
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              </s>
            </p>
            <p id="N1DD60" type="main">
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              Hinc nunquam in inclinata ſurſum proiectum mobile acquirit duplum ſpa­
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              tium illius quod acquirit idem proiectum in verticali ſurſum,
                <emph.end type="italics"/>
              v. g. ex H pro­
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              iectum nunquam acquiret in HF duplum ſpatium GF, poſito quòd ex
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              G proiiciatur tantùm in F dato tempore, ſitque eadem potentia per HF.
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              Probatur, quia ſemper deſtruitur aliquid impetus iuxta proportionem
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              FG ad FH per Th.40. ſed ſi nullus deſtruitur impetus, duplum ſpatium
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              conficit; </s>
              <s id="N1DD7B">igitur ſi aliquid deſtruitur, duplum ſpatium non conficitur: po­
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              teſt tamen propiùs in infinitum ad duplum accedere. </s>
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            <p id="N1DD81" type="main">
              <s id="N1DD83">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              44.
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              </s>
            </p>
            <p id="N1DD8F" type="main">
              <s id="N1DD91">
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              Hinc erecta perpendiculari
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              FC,
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              ductaque horizontali
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              FL,
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              productaque
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              in infinitum, ſi ex quolibet illius puncto eleuetur planum inclinatum termina­
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              tum ad
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              C,
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              eadem potentia que ex
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              F
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              in
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              C
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              mobile proiiciet, etiam ex quolibet
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              puncto deſignato in horizontali proiiciet in
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              C
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              per planum inclinatum
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              ; quod
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              probatur per Th. 38. </s>
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            <p id="N1DDC6" type="main">
              <s id="N1DDC8">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
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              45.
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              </s>
            </p>
            <p id="N1DDD4" type="main">
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              Ex his etiam probatur proiici ex
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              L
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              in
                <emph.end type="italics"/>
              C
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              ab ea potentia, quæ ex
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              F
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              proiicit in
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              C; </s>
              <s id="N1DDF2">cum enim primo tempore proiiciat ex L in K (ſuppono enim LC
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              eſſe quadruplam KC) certè ſecundo conficit tantùm KC; </s>
              <s id="N1DDF8">eſt enim mo­
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              tus violentus ſurſum retardatus inuerſus motus deorſum accelerati; </s>
              <s id="N1DDFE">at-</s>
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