Descartes, René, Renati Des-Cartes principia philosophiae

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            <p type="main">
              <s>
                <pb pagenum="74"/>
                <emph type="italics"/>
              i
                <emph.end type="italics"/>
              verſus
                <emph type="italics"/>
              o
                <emph.end type="italics"/>
              , perlen B verſus C; itemque venientes ab
                <emph type="italics"/>
              y
                <emph.end type="italics"/>
                <lb/>
              verſus
                <emph type="italics"/>
              a
                <emph.end type="italics"/>
              , ipſum tantundem repellent verſus F; ideò­
                <lb/>
              que nullam ſolae habebunt vim ad illud movendum,
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              ſed reflectedentur ab
                <emph type="italics"/>
              o
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              verſus
                <emph type="italics"/>
              u
                <emph.end type="italics"/>
              , & ab
                <emph type="italics"/>
              a
                <emph.end type="italics"/>
              verſus
                <emph type="italics"/>
              e
                <emph.end type="italics"/>
              , fietque
                <lb/>
              una circulatio ex duabus, ſecundúm
                <arrow.to.target n="marg539"/>
              nota­
                <lb/>
              rum aiouya. </s>
              <s>Et ita, propter occurſum corporis B,
                <lb/>
              non quidem ſiſtetur ullo modo ipſarum motus, ſed
                <lb/>
              mutabitur tantúm determinatio, nec incedent per li­
                <lb/>
              neas tam rectas a, vel tam prope accedentes ad rectam,
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              quàm ſi in B non impingerent. </s>
              <s>Tandem
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              acce­
                <lb/>
                <arrow.to.target n="fig6"/>
              dat nova aliqua vis, pel­
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              lens B verſus C, haec vis,
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              quantumvis exigua, juncta
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              ei quâ particulá fluidi, ve­
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              nientes ab
                <emph type="italics"/>
              i
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              verſus
                <emph type="italics"/>
              o
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                <arrow.to.target n="marg541"/>
              ip­
                <lb/>
              ſum etiam pellunt verſus
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              C, ſuperabit eam quà venientes ab
                <emph type="italics"/>
              y
                <emph.end type="italics"/>
              verſus
                <emph type="italics"/>
              a
                <emph.end type="italics"/>
              illud in
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              contrariam partem repellunt; atque ideò ſufficiet ad
                <lb/>
              ipſarum determinationem mutandam, & efficiendum
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              ut ferantur ſecundùm ordinem notatum
                <emph type="italics"/>
              ayuo
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              ,
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              quan­
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              tum hoc requiritur ad motum corporis B non impe­
                <lb/>
              diendum b: quia, cúm duo corpora determinantur ad
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              motum verſus partes plan contrarias & ſibi mutuò
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              oppoſitas, illud in quo major eſt vis, alterius determi­
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              nationem debet mutare. </s>
              <s>Atque quod hîc dico
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              par­
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              ticulis
                <emph type="italics"/>
              aeiouy
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              , de omnibus etiam aliis fluidi FD, quae
                <lb/>
              in B impingunt, eſt intelligendum: quàd nempe ſin­
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              gulee ex iis quae illud pellunt verſus C, oppoſitá ſint
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              totidem aliis, id ipſum in contrariam partem </s>
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