Let $\mathbb{R}$ be the D282: Set of real numbers.
The set of complex numbers is the D11: Set
\begin{equation}
\mathbb{C} : = \mathbb{R} \times \mathbb{R}
\end{equation}
Let $\mathbb{R}$ be the D282: Set of real numbers.
The set of complex numbers is the D11: Set
\begin{equation}
\mathbb{C} : = \mathbb{R}^2
\end{equation}
