IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
eval factorization pluck111 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)
{a..b}(f)
=
{a..b}(i.trivial_factorization(z)(i)+reduce_factorization(f; z)(i))