H
E
E
L
E
M
E
N
T
S
EH is equal to EL,
BC is also equal to MN. [III.14]
Again, since
AE is equal to EM, and ED to EN,
AD is equal to ME, EN.
But
ME, EN are greater than MN, [I.20]
and
MN is equal to BC;
therefore
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T H E E L E M E N T S |
Book I Proposition 15 | |
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Then, since EH is equal to EL, BC is also equal to MN. [III.14] Again, since AE is equal to EM, and ED to EN, AD is equal to ME, EN. But ME, EN are greater than MN, [I.20] and MN is equal to BC; therefore |
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