- #1
BrainHurts
- 102
- 0
There's this theorem:
A linear map T: V→W is one-to-one iff Ker(T) = 0
I'm wondering if there's an analog for showing that T is onto? If so could you provide a proof?
I'm thinking it has something to do with the rank(T)...
A linear map T: V→W is one-to-one iff Ker(T) = 0
I'm wondering if there's an analog for showing that T is onto? If so could you provide a proof?
I'm thinking it has something to do with the rank(T)...