IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
eval factorization pluck1111 1. a :
2. b :
3. f : {a..b}
4. z : {a..b}
5. 0<f(z)
6. X : {a..b}
7. X = reduce_factorization(f; z)
f =
(i.trivial_factorization(z)(i)+reduce_factorization(f; z)(i))
{a..b}