Reverse of inclusion in Latex

Question

How can we write the reverse of "inclusion" in Latex style? Like in the second statement here?

Answer 1

\supseteq.

\documentclass{article}
\begin{document}
$ A \subseteq B $ or $ B \supseteq A $.
\end{document} 

As an aside, this site is very useful for finding symbols in LaTeX.

Answer 2

Both '\supset' and '\supseteq' can be used for the backwards of inclusion symbol in LaTeX, which stands for "superset" or "containing set".

$ A \subseteq B $ .
$ B \supseteq A $.
$A \subset B$.
$B \supset A$.