IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
iter via intseg amputate units111 1. A : Type
2. f : AAA 3. u : A 4. is_ident(A; f; u)
5. is_assoc_sep(A; f)
6. a :
7. b :
8. c : {a...b}
9. d : {c..b}
10. e : {a..b}A 11. i:{a..b}. i<cdie(i) = u f(u,f((Iter(f;u) i:{c..d}. e(i)),u)) = f((Iter(f;u) i:{c..d}. e(i)),u)