Baliani, Giovanni Battista, De motv natvrali gravivm solidorvm et liqvidorvm
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            <subchap1 n="4" type="proposition">
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                <s id="s.000103">PROPOSITIO QUARTA. PROB. II.</s>
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              <subchap2 n="4" type="statement">
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                  <s id="s.000104">Data diuturnitate gravis descendentis a data
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                  altitudine, constituere altitudinem, a qua
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                  idem grave cadat in data alia diuturnitate.
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              <subchap2 n="5" type="proof">
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                  <s id="s.000105">Sit A diuturnitas gravis B, dum cadit in C, &
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                  data sit diuturnitas quaecumque D.</s>
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                  <s id="s.000106">Constituenda est alia altitudo, a qua grave de­
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                  scendat iuxta diuturnitatem D.</s>
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                  <s id="s.000107">Fiat I, tertia proportionalis ad AD,
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                  & ut I ad A
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                  fiat altitudo GH ad altitudinem datam BC,
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                  Dico GH esse altitudinem quaesitam.</s>
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                  Per 11. sexti.</s>
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                  Per 12. sexti.</s>
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                  <s id="s.000110">Quoniam BC, & GH sunt in duplicata ratione
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                  datarum diuturnitatum A, D, per constructio­
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                  nem; per ipsas gravia B, & G cadent in diu­
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                  turnitatibus A, & D datis
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                  , unde reperta est
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                  altitudo GH quaesita. </s>
                  <s id="s.000111">Quod fuit faciendum.</s>
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                <p type="margin">
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                  Per 3. huius.</s>
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