Archimedes
,
Archimedis De iis qvae vehvntvr in aqva libri dvo
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DE CENTRO GRAVIT. SOLID.
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xml:space
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latera a b c d: </
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<
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">priſmatis a e altitudo e g; </
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xml:space
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<
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a f altitudo f h. </
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<
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proportionem, quam e g ad f h. </
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<
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<
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unoquoque priſmate duo priſmata intelligantur, quorum
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baſes ſint triangu
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la a b c, a c d. </
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bunt duo priſma-
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te in eadem baſi
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a b c conſtituta,
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proportionem eã
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dem, quam ipſo-
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rum altitudines e
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g, f h, exiam de-
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monſtratis. </
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<
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militer alia duo,
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quæ ſunt in baſi a
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c d. </
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tionem habebit, quam altitudo e g ad f h altitudinem.
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des, quarum eadem eſt baſis quadrilatera, & </
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matum altitudini æqualis, eam inter ſe proportionem ha-
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bebunt, quam altitudines.</
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duo eiuſmodi priſmata a e, f l: </
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<
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drilaterum a b c d; </
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<
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huius altitudinem. </
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<
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xml:space
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duæ pyramides a b c d e, f g h k l. </
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<
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">quæ ĩter ſe æquales erũt,
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cimi</
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cum æ quales baſes, & </
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& </
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">priſmata a e, f l, quæ ſunt harù pyramidum tripla, æqua-
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lia ſint neceſſe eſt. </
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ſcindatur priſma fm, quod æque altum ſit, atq; </
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