Cavalieri, Buonaventura
,
Geometria indivisibilibvs continvorvm : noua quadam ratione promota
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GEOMETRI Æ
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libus figuris, in antecedentibus prop. </
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tem Cor 6 reſtauratione minimè indigere manifeſtum eſt. </
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circa prop.</
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<
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demus quadratum ſolidum parallelogrammi, AF, ad
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quadratum ſolidum hyperbolæ, DBF, eſſe vt, OE, ad com-
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poſitam ex, NB, &</
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/05TCTFNR/figures/0562-01
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lelogrammum, CE, cum ſe-
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mihyperbola, BEF, & </
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OE, necnon, MG, quæcum-
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q; </
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diametrum, BE, extendantur
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autem, CB, FE, & </
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EQ, ſingulæ æquales ipſi, E
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O, necnon, RE, AB, ſingulæ
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æquales ipſi, EB, & </
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tur, DQ, AR, AE, quas, GM,
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indefinitè quoq; </
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R, DE, AE, parallelogramma. </
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</
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40. l. 1.</
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MH, eſt vt rectang. </
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ad rectangulum, PTS, permutando quadratum, FE, ad rectangu-
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lum, QER, erit vt quadratum, HM, ad rectangulum, PTS, quod
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& </
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<
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ctangulum ſolidum ſub trapezio, DQEA, & </
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proportionaliter analoga, ac in proportione quadrati, FE, & </
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ctanguli, QER, Conſimili modo probabimus quadratum ſolidum,
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CE, eſſe æqualiter analogum rectangulo ſolido ſub, OB, BR, & </
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ipſum pariter eſſe in proportione quadrati, EF, ad rectangulum, Q
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ER, ergo dicta ſolida proportionalia erunt, & </
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ſolidumCE, ad quad, ſolidũ, BEF, erit vt rectangulum ſolidum ſub,
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QB, BR, ad rectangulum ſolidum ſub, DQEA, ARE, hoc eſt vt, QE,
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ad cõpoſitam ex {1/2}. </
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B, (quæ eſt dimidia, BO,) & </
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<
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E, ad compoſitam ex, NB, & </
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