IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
replace fn values wf A,X:Type, P:(A), y:A, f:(XA).
(Replace values x s.t. P(x) by y in f) XA
By:
Compute Replace values x s.t. P(x) by y in f * i.if P(f(i)) y else f(i) fi
THEN
UnivCD