/sci/ - Science & Math

>>11606894
>>11606931
If they need to be disjoint, you can do this: take [math]A = \{ f \in V : f(0) = 0\} \cup \{ \delta(n) \}[/math], the Kronecker delta, and [math]B = \{ f \in V : f(0)=2 \} \cup \{ - \delta (n) \}[/math].