IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
num iso21 1. x' : 2. x'' : 3. rep_num(x') = rep_num(x'')
4. m : 5. n : 6. m<n 7. rep_num(m) = rep_num(n)
m = n
By:
((On [7;6;5] MoveToConcl) THEN (NInd 4)) THEN StrongAuto
THEN
Try (Complete (Unfold `label` 0))
THEN
HN