The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters .. (1847)
Euclid, Byrne, Oliver · London, W. Pickering · leaf 252
gram. But (B. 6. pr. 2); BOOK VI. PROP. IV. THEOR. 219 and fince = -^—^— (B. 1. pr. 34), — : :: : — ; and by alternation, (B. 5. pr. 16).In like manner it may be mown, that a> •• •«■■*••» and by alternation, that * * a • • • a • a 1 a • a> but it has been already proved that am lamiiiaii and…
Geometry
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