23/03/13 21:11:52.56 UeELXD7y.net
>>357
つづき
The claim
The key to the argument is the following
Claim. The set V of all elements a of D such that a2 <= 0 is a vector subspace of D of dimension n - 1.
23/03/13 21:11:52.56 UeELXD7y.net
>>357
つづき
The claim
The key to the argument is the following
Claim. The set V of all elements a of D such that a2 <= 0 is a vector subspace of D of dimension n - 1.