The elements of Euclid for the use of schools and colleges : comprising the first two books and portions of the eleventh and twelfth books; with notes and exercises (1880)
Todhunter, I. (Isaac), 1820-1884 · Toronto : Copp, Clark · leaf 13
ual to yl^. [Definition \5, And because the point B is the centre of the circle ACE,^C is equal to ^yl. [Definition 15. But it has been shewn that CA is equal to AB;therefore CA and CB are each of thorn equal to AB.But things which are equal to the same thing are equal toone another. [Axiom 1.… … PROPOSITION 2. PROBLEM.From a given point to draw a straight line equal to agiven straight line. Let A be the given point, and BG the given straightline: it is required to draw from the point A a straightline equal to BC. From the point A to B di-awthe straight line AB ; [Post. 1.and on it describe…
Geometry · Euclid's Elements · Mathematics, Greek
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