T H E E L E M E N T S |
Book III Proposition 15 | |
And, since the two sides ME, EN are equal to the two sides FE, EG, and the angle MEN greater than the angle FEG, therefore the base MN is greater than the base FG. [I.24] But MN was proved equal to BC; therefore Therefore, of AD, BC, FG, Being what it was required to prove. |
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