Definition:Two-Row Notation/Technical Note

Technical Note on Two-Row Notation
For a more compact presentation, the code:

can be used, which gives:
 * $\dbinom {a \ b \ c \ d} {d \ b \ c \ a}$

However, this technique does not work well when the width of the fields is non-uniform:


 * $\dbinom {m \ l \ l \ m} {m \ m \ l \ l}$