H
E
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L
E
M
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N
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and
let the angle ACB be bisected by the straight line CD; [I.9]
I say that
the straight line AB has been bisected at the point D.
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T H E E L E M E N T S |
Book I Proposition 10 | |
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Let the equilateral triangle ABC be constructed, [I.1] and let the angle ACB be bisected by the straight line CD; [I.9] I say that the straight line AB has been bisected at the point D. |
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