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the point A is the center of the circle DEF,
AE is equal to AD. [Def.15]
But
C is also equal to AD.
Therefore
each of the straight lines AE, C is equal to AD;
so that
AE is also equal to C. [C.N.1]
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T H E E L E M E N T S |
Book I Proposition 3 | |
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Now, since the point A is the center of the circle DEF, AE is equal to AD. [Def.15] But C is also equal to AD. Therefore each of the straight lines AE, C is equal to AD; so that AE is also equal to C. [C.N.1] |
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