IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
prime factorization includes prime divisors12 1. a : 2. b : 3. f : {a..b} 4. p : 5. is_prime_factorization(a; b; f)
6. prime(p)
7. p | (i:{a..b}. if(i))
8. i:{a..b}. p | if(i)
p {a..b} & 0<f(p)