IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
assert-w-eq-E-iff the_w:World, e,e':E. e = e'e = e'
By:
Auto
THENL
[BackThru Thm*the_w:World, e,e':E. e = e'e = e';RevHypSubst -1 0]
THEN
All Thin