# 'All real numbers are complex numbers.' Is this sentence a statement? How?

$\begin{array}{1 1} yes \\ no \end{array}$

Toolbox:
• A sentence is a statement if it is either true or false always.
All real numbers are complex numbers.
This sentence is a statement because every real number can be
expressed in the form $a+i0$ which is in the form of a complex number.
Therefore the given sentence is always true.