IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
least exists21 1. P : Prop
2. i:. P(i) [not for witness]
3. i:. Dec(P(i))
{i:| P(i) & (j:. j<iP(j)) }
By:
Rewrite'-1 by Thm* (x:T. Dec(E(x))) (f:(T). x:T. f(x) E(x))
THEN
New:p Analyze-1