IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
simp rec fun lemma 'a:S, n:, f:('a'a), x:'a.
(fun:('a). simp_rec_rel(fun,x,f,n))
simp_rec_fun(x,f,n,0) = x & (m:. m<n simp_rec_fun(x,f,n,m+1) = f(simp_rec_fun(x,f,n,m)))