H
E
E
L
E
M
E
N
T
S
BC is equal to BD,
the angle CDB is also equal to the angle DCB.
But
it was also proved much greater than the angle DCB:
which is impossible.
|
T H E E L E M E N T S |
Book I Proposition 7 | |
|
Again, since BC is equal to BD, the angle CDB is also equal to the angle DCB. But it was also proved much greater than the angle DCB: which is impossible. |
|
|
| Previous Page Return to Propositions Next Page | ||