Cavalieri, Buonaventura
,
Geometria indivisibilibvs continvorvm : noua quadam ratione promota
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GEOMETRIÆ
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xml:space
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eaſdem eſſe in dupla ratione linearum, vel laterum homologo-
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lib. 1.</
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rum, earundem. </
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figuræ, ABD, &</
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">, Φ Π, Δ Ω, ſiguræ, Φ Σ Λ, quæ homologis ea-
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rum lineis æquidiſtent, deinde ſint intradictas oppoſitas tangentes
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ductæ, KM, Π Ω, taliter, vt illæ ſint incidentes dictarum ſimilium
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9. lib. 1.</
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figurarum, & </
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/05TCTFNR/figures/0148-01
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M, Π Ω, ſimil@ter, & </
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partem vtcunq; </
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">in punctis, L, Γ,
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per quæ puncta ſint ductæ ipſæ, B
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L, Σ Γ, quarum portiones figuris
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interceptę ſint, BE, ID, in figu-
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ra, ABD, &</
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">, Σ 2, 3 Λ, in figu-
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ra, Φ Σ Λ, ſumatur autem ex, BL,
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recta æqualis vtriſque ſimul, BE,
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ID, ter ninans in, KM, quæ ſit,
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QL, & </
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ſumpta æqualis, Τ Γ, term nans
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in, Π Ω, & </
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<
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<
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de cæteris, quæ ipſis tangentibus
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æquidiſtant, & </
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rarum ambitum, quibusn m è in
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eadem rectitudine ſun antur rectæ
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æquales in ipſis, KM, ΠΩ, termi-
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natæ, erunt igitur omnium in@en-
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tarum linearum reliqui termini in
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alia quadam inea, quæ inc pi@t in
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puncto, K, & </
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figura, ABD, & </
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<
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">quæ incip e in Π, & </
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Φ Σ Λ, ſint iſtę lineę, KQM, Π Ω; </
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<
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eſſe æqualem ipſi, ABD, & </
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">Π Ω, ipſi, Φ Σ Λ, nam omnes earum
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lineæ ſumptæ regulis, FM, Δ Ω, ſunt æquales, quod ex ip a con-
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ſtructione patet; </
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<
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omn um linearum ſ gurarum, ABD, ΦΣΛ, in figuras, KQA, Π
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Τ Ω, ipſi, KM, ΠΩ adiacentes, effectę regulis dictis tangent bus.
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<
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">Patet vlterius figuras, KQM, ΠΤΩ, eſſe ſim les, nam homologę
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figurarum, ABD, ΦΣΛ, (quia illę ſunt ſimiles) ſunt vt incidentes,
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22. lib. 1.</
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KM, ΠΩ, eæden autem in figuras, KQM,ΠΤΩ, modo dicto,
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translatæ ſunt (ſimui in vnam rectam coniunctis, quæ diuiſæ </
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