That is, how to represent set $A$ in terms of D, B, C given the equation above? Or is it possible?
N.B. To represent a set is to define this set, i.e. $A = \cdots$, not $A \subseteq \cdots$.
That is, how to represent set $A$ in terms of D, B, C given the equation above? Or is it possible?
N.B. To represent a set is to define this set, i.e. $A = \cdots$, not $A \subseteq \cdots$.