\[ \forall \hspace{0.15cm} z_i \]
\( \forall \hspace{0.15cm} z_i \)
\(
\begin{tabular}{cc}
0 & 1 \\
2 & 3 \\
\end{tabular}
\)
\[Z_2 = {0, 1 } \hspace{0.35cm} \Rightarrow \hspace{0.35cm}
\begin{tabular}{ c | c c }
+ & 0 & 1 \\\hline
0 & 0 & 1 \\
1 & 1 & 0 \\
\end{tabular}
&\hspace{0.25cm}
\begin{tabular}{ c | c c }
'"`UNIQ-MathJax2-QINU`"'
& 0 & 1 \\\hline
0 & 0 & 0 \\
1 & 0 & 1 \\
\end{tabular}
\hspace{0.35cm} \Rightarrow \hspace{0.35cm}{\rm GF}(2)
\hspace{0.05cm}.
\]