I'm trying to put an element above a left- and right arrow stacked above eachother. This is the bit of code:
$S\overset{e}{\substack{\rightarrow\\[-1em] \leftarrow}} P$
What I get is that the e has an arrow going through it. The e should be above. Any help in doing this is appreciated.
\…``. – Circumscribe Jan 07 '19 at 10:09\leftrightarrowsby the way (requiresamssymb, unless you're using a font that already includes it). – Circumscribe Jan 07 '19 at 10:12