Writing reverse cases in Lyx

Question

The basic cases environment looks like

{

However, I want to make it

}

I learned how to do it using just tex at How to put a brace on the right, not left, to group cases?

But how can I do it using Lyx?

Answer 1

This answer is based on my answer here

You can used the insert delimiters option in the Math toolbar. If the toolbar does not show automatically, then go to View > Toolbars and choose it.

First, make math box. Then click the insert delimiters icon in the Math toolbar---the blue square surrounded by square brackets visible to the right of the Math Delimiter window in this picture:

The Math Delimiter window will open when you click insert delimiters. In it, make sure Keep matched is unchecked, then choose the inverted bracket on the left and None on the right. You will then obtain this: