# Talk:Quotient Structure of Group is Group

I want to put $x^{-1}$ in $\left[\!\left[{\_}\right]\!\right]_\mathcal R$ but I'm getting this: $\left[\!\left[{x^{-1}}\right]\!\right]_\mathcal R$ --Jshflynn (talk) 01:17, 30 July 2013 (UTC)