- #1

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\(\displaystyle \begin{array}{c||c|c|c|c|}

V & e & a & b & c \\

\hline \hline

e & e & a & b & c \\

a & a & e & c & b \\

b & b & c & e & a \\

c & c & b & a & e

\end{array}

\)

The LaTeX on the forum doesn't like the double lines || or = (as lines, not the equal sign!). Does anyone know how to make the lines bold faced or something? I feel the top line and first vertical line should be singled out in some way.

-Dan