Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              <s id="N15172">
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              Theorema
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              124.
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            <p id="N1517E" type="main">
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              Non determinatur noua linea in motu reflexo â priore tantùm linea
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              incidentiæ
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              ; probatur, quia poteſt eſſe eadem linea incidentiæ cum di­
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              uerſis lineis motus reflexi, vt patet. </s>
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            <p id="N1518D" type="main">
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              Theorema
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              125.
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              </s>
            </p>
            <p id="N1519B" type="main">
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              Non determinatur noua linea motus reflexi ratione tantùm plani reflecten­
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              tis
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              : Probatur, quia cum eodem plano reflectente diuerſæ lineæ motus
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              reflexi eſſe poſſunt, vt conſtat. </s>
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            <p id="N151AA" type="main">
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              Theorema
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              126.
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              </s>
            </p>
            <p id="N151B8" type="main">
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              Determinatur noua linea motus reflexi ratione lineæ prioris incidentiæ com­
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              paratæ cum plano reflectente,
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              eſt enim angulus reflexionis æqualis angu­
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              lo incidentiæ, cuius effectus rationem aliàs afferemus, cum de motu
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              reflexo; </s>
              <s id="N151C9">& verò multa hîc curſim tantùm perſtringimus, quæ in libro
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              de motu reflexo accuratiſſimè demonſtrabimus; Hìc tantùm dixiſſe ſuf­
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              ficiat determinari mobile in reflexionis puncto ad nouam lineam motus,
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              quod nemo in dubium reuocare poteſt, & propter quid fiat loco citato
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              demonſtrabimus. </s>
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            <p id="N151D5" type="main">
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              Theorema
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              127.
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              </s>
            </p>
            <p id="N151E3" type="main">
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              Quando globus in globum æqualem ita impingitur, vt linea directionis per
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              centra vtriuſque ducatur, determinatio noua eſt æqualis priori
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              ; </s>
              <s id="N151F0">Patet ex­
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              perientia in pilis illis eburneis, quas deſiderat ludus minoris tudiculæ; </s>
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              nec eſt vlla ratio, cur determinatio ſit maior potiùs, quàm minor, cum
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              vtraque pila ſit æqualis; </s>
              <s id="N151FD">ſi enim maior eſſet, vel minor; cur potiùs vno
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              gradu, quàm duobus? </s>
              <s id="N15203">quàm tribus? </s>
              <s id="N15206">Præterea, cum reſiſtens, vel im­
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              pediens eſt æquale agenti; </s>
              <s id="N1520C">certe ſicut agens refundit in paſſum totum
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              id, quod habet, id eſt æqualem impetum in intenſione, & æquè velo­
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              cem motum per Th. 60. Ita reſiſtens, vel impediens refundit æquale
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              impedimentum, quod tantùm ſumi poteſt ex æqualitate mobilium; </s>
              <s id="N15218">ſed
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              ex æquali impedimento duci tantùm poteſt æqualis determinatio priori;
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              denique poteſt dari determinatio noua æqualis priori, vt conſtat, ſed
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              aliunde duci non poteſt quàm ex ipſa mobilium æqualitate, modò fiat
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              contactus per lineam connectentem centra. </s>
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            <p id="N15224" type="main">
              <s id="N15226">
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              Theorema
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              128.
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              </s>
            </p>
            <p id="N15232" type="main">
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              Hinc ratio manifeſta illius mirifici effectus, ſcilicet quietis pilæ impactæ
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              ; </s>
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              quippe hæc quieſcet illicò ab ictu; </s>
              <s id="N15242">quia ſcilicet, cum noua determina­
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              tio ſit æqualis priori, non eſt vlla ratio, cur alterutra præualeat; </s>
              <s id="N15248">nec
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              etiam poteſt eſſe determinatio communis, ſeu mixta; cur enim potius
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              dextrorſum quam ſiniſtrorſum? </s>
              <s id="N15250">de quo infrà. </s>
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            <p id="N15253" type="main">
              <s id="N15255">
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              Theorema
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              129.
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              </s>
            </p>
            <p id="N15261" type="main">
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              Quando linea directionis globi impacti non connectit centra vtriuſquę
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              globi, determinatur noua linea motus tùm à priore linea incidentiæ, tùm à
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              connectente centra, quæ ſcilicet per punctum contactus à centro impacti globi
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              </s>
            </p>
          </chap>
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