IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
eqof eq btrue A:Type, d:EqDecider(A), i:A. (eqof(d)(i,i)) ~ true
By:
Auto THEN Analyze -2 THEN InstHyp [i;i] -2 THEN Unfold `eqof` 0 THEN Reduce 0