- #1
Ed Quanta
- 297
- 0
Ok, so suppose f is a function which takes us from the Reals in p space to the Reals in m space. And f(x+y)=f(x) + f(y) for all x and y 's in the Reals in p space.
Now if f(0)=0, how do I now show f(x-y)= f(x) - f(y)?
Now if f(0)=0, how do I now show f(x-y)= f(x) - f(y)?