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 285
(B. 1. pr. 31 Sincediagonal L.*13 are about the fame A and have common, they are fimilar (B. 6. pr. 24); but (hyp-)» and .*. (B. 5. pr. 9.), which is abfurd. is not the diagonal of a in the fame manner it can be demonftrated that no otherline is except ===== . Q. E. D. 254 BOOK VI. PROP. XXVII.…
Geometry
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