Ceva, Giovanni, Geometria motus, 1692

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              go ſimplicis motus fuiſſet triangulum, imago velocitatum
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              accelerationis foret trilineum ſecundum, & ita pro­
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              portionaliter de infinitis numero accelerationibus. </s>
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            <p type="margin">
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              Tab.
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              4.
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              fig.
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              .</s>
            </p>
            <p type="margin">
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              Cor. </s>
              <s id="s.000407">def.
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              3.
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              pri­
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              mi.
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              </s>
            </p>
            <p type="margin">
              <s id="s.000408">
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                <emph type="italics"/>
              Def.
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              1.
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              huius.
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              </s>
            </p>
            <p type="margin">
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                <emph type="italics"/>
              Def.
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              3
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              primi.
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              </s>
            </p>
            <p type="main">
              <s id="s.000410">
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              Corollarium.
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                <emph.end type="center"/>
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              <s id="s.000411">
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              Hinc obiter habemus, quo pacto imago velocitatum corpo­
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              rum naturaliter deſcendentium triangulum ſit. </s>
              <s id="s.000412">Nam quo­
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              libet momento ſui caſus habet graue idem inſe principium̨
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              motus, ſeu grauitas, ex qua concipitur imago ſimplicis motus
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              ſi nempe priores gradus velocitatis ſubinde deperirent, at
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              quia in eius deſcenſu prorſus perſeuerant (id enim ſupponi­
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              tur abſtrahendo ab aere) inde motus concitatur, & fit vti di­
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              ximus imago accelerationis triangulum.
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              </s>
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            <p type="main">
              <s id="s.000413">
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              AXIOMA
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              </s>
            </p>
            <p type="main">
              <s id="s.000414">QVælibet linea, vt fluxus puncti concipi po­
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              teſt. </s>
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            <p type="main">
              <s id="s.000415">
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              AX. II.
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              </s>
            </p>
            <p type="main">
              <s id="s.000416">VT propoſita linea ex fluxu puncti exarètur, duò tan­
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              tùm neceſſaria ſunt, ſcilicet motus, & puncti di­
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              rectio. </s>
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              PROP. V. THEOR. III.
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              </s>
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            <p type="main">
              <s id="s.000418">REcta, quæ priùs deſcripta eſt, poteſt alijs à primis
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              velocitatibus, rurſus exarari. </s>
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            <p type="main">
              <s id="s.000419">Nam punctum poteſt fluere ſecundum quamcunque
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              rectam, quocunque motu, ergo illam poteſt etiam quibuſ­
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              cunque velocitatibus affectum rurſus exarare. </s>
            </p>
          </chap>
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      </text>
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