Aerarium philosophiae mathematicae : in quo elementa philosophiae geometricae de planis, curuis, & solidis figuris applicata et ornata ... in tres tomos distributa sunt : intercessere ingeniosae inuentionis exodia horaria ... (1648)
Bettini, Mario, 1582-1657, Curti, Francesco, 1603-1670, Coriolano, Giovanni Battista, d. 1649, Ferroni, Giovanni Battista, 17th cent · Bononiae : Typis Io. Baptistae Ferronij ... · leaf 525
44> P R O P O S I T I O XXXII. tem in farallelas BF, CE »futig <•quales FBC , eCD , ergo & ECDe^aqudis tribus CB^,B^C, C-jiD. Smt autem etiam ^qualesalterni EC^, C^D j ergo, ijs de-traSlis, remanent xquales duo in-terni CB^ , BoiC externo ^CD.Si triangulum fit re&agulumexpeditur… … AlitcrXlI. IX fgurafecundti »0-firx antecedentium^demonilrationum fa£l(L^conjlru6lioite, vtibiprx-eeptum eJi,dicoexternut»BCGtequalem effe inter-nis ^, & jlBC. Kam inJjarallelogrammo BHDlalterni HD£,DBI, IDB,DBHfunt xquales; erg9totus HBI toti HDI <c-qualis.Externus CDlefiaqualis interno…
Geometry · Geometry, Solid
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