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Preclarissimus liber elementorum Euclidis perspicacissimi in artem geometrie incipit qu afoelicissime

Euclid, Adelard, of Bath, approximately 1090-approximately 1160, Campanus, Johannes, Adams, Katharine, 1862-1952, binder. DSI, Burndy Library, donor. DSI · Venetijs impressit : Erhardus Ratdolt Augustensis impressor solertissimus · leaf 33

An illustration from Preclarissimus liber elementorum Euclidis perspicacissimi in artem geometrie incipit qu afoelicissime, leaf 33
LIBER acutis interiacet.Sit ergo vt trianguli.a.b.c.aftgulus.b.etia fit acutus ouca :ergo ad b.c.gpcdicutare q fit.a.d.quevt oictu cft cadet intra triangulu.oico itaqj q> q/ dratum.a.b.qb fubtendit angulo acuto.c.tanto minus cft ouobus quadratis ou/ aram lincam.a.c.?.c.b.quatu ouplu eius qb fit… … fed per eandem penulttmam primi quadratu. a.b.equu eft quadratis ouarum l i/ nearum.a.d.-r.b.d.crgo quadratum. b.c.cum quadrato.a.c.equum eft quadrato a. b.-e ouplo eiusqb fit ex.b.c.i.c.d.quarc tanto min°poteft.a.b.ouobus laterib9 b b. c.f.a.c.quantu eft duplum eius quod fit ex.b.c.in.c.d.quod cft…

Mathematics, Greek · Geometry · Incunabula

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