[texhax] Need obscure combination.

[Lars Madsen]

bil at beeb.net :

> I need to create a 'combination' symbol in math mode, basically a right arrow
> with a \cong symbol over it. The arrow should be on the 'normal'
> level. I've tried {\cong\over\rightarrow} but that puts a horizontal
> line between and pushes the arrow down. Can anyone better versed in TeX/LaTeX
> come up with an appropriate recipe?
>
> Ideally, the \cong symbol should be somewhat smaller than the arrow
>

\usepackage{amsmath}

\xrightarrow{\cong}





/daleif

``You cannot help men permanently by doing for them 
what they could and should do for themselves. ''
  -- Abraham Lincoln