IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
delete fenum value comp1 gen1 1. P : Prop
2. Q : Prop
3. f : {u:| P(u) }{v:| Q(v) }
4. Inj({u:| P(u) }; {u:| Q(u) }; f)
5. m : {u:| P(u) }
6. k : {v:| Q(v) }
7. i : {u:| P(u) & u = m }
8. f(i) = k (Replace value k by f(m) in f)(i) = f(m) {v:| Q(v) & v = k }
By:
Compute (Replace value k by f(m) in f)(i) * if f(i)=kf(m) else f(i) fi
THEN
SplitITE Concl