IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
card boolset vs mset132 1. a : 2. k : 3. (p,i. if p(i) 1 else 0 fi) (a {k})a {k}2
4. (f,i. f(i)=1) (a {k}2)a {k} 5. f : a {k}2
(i.if f(i)=1 1 else 0 fi) = f
By:
Analyze-1
THEN
((i.if f(i)=1 1 else 0 fi) = fa2 Asserted THEN Analyze)