IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
hsimp rec wd1111 1. 'a : S
2. x : 'a 3. f : 'a'a 4. n : 5. fun : 'a 6. fun(0) = x 7. m:. m<n+1 fun(m+1) = f(fun(m))
ncompose(f;n;x) = fun(n)
By:
MoveDepHypsToConclFor NInd 4 THEN Simp THEN StrongAuto