IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
list iso2211 1. 'a : S
2. x : ('a) 3. f : 'a 4. n : 5. x = <m:. if m<n then f(m) else @x:'a. true fi ,n>
x':'a List. x = rep_list('a;x')
By:
Subst (x = <m:. if m<n then f(m) else @x:'a. true fi ,n>) 0