# [texhax] \binom

Mon Mar 2 10:02:46 CET 2009

Yannis Haralambous wrote:
> What puzzled me when I started using TeX in the early eighties, were the
> commands \cup and \cap (symbols I called "union" and "intersection");
> everytime I used them I had to spend a few seconds visualizing in my
> mind a cup (= coupe) and a cap (= chapeau) to figure out which one I
> should choose. I could never use them naturally... Are they called like
> that in oral mathematics in the Anglosaxon world?
>
> On the other hand, I had no difficulties in learning \hat because in
> French we also say "chapeau" for the circumflex (in mathematics).
>

this is one of the reasons why I recommend our users to add their own
macro names for various symbols, e.g. \isomorph for \cong, if \cong is
used to denote isomorphisms in their field. That way the code becomes a