[tex]A = \begin{Bmatrix}
x \: \in \: \mathbb{Z} \: | \: x \geq- 5 \: si \: x < 2
\end{Bmatrix}[/tex]
[tex] = > x \in \begin{Bmatrix}-5,-4,-3,-2,-1,0,1\end{Bmatrix}[/tex]
[tex]=> A=\begin{Bmatrix}-5,-4,-3,-2,-1,0,1\end{Bmatrix}[/tex]
[tex]C=\begin{Bmatrix}
x \: \in \: \mathbb{Z} \: | \: x\geq - 3\:si\:x < 4
\end{Bmatrix}[/tex]
[tex] = > x \: \in \: \begin{Bmatrix}-3,-2,-1,0,1,2,3\end{Bmatrix}[/tex]
[tex]=> C=\begin{Bmatrix}-3,-2,-1,0,1,2,3\end{Bmatrix}[/tex]
