Def  A & B == AB

is mentioned by

Thm*  a:, b:, f:({a..b}), p:. Thm*  is_prime_factorization(a; b; f) Thm*   Thm*  prime(p)  p | {a..b}(f)  p  {a..b} & 0<f(p)

[prime_factorization_includes_prime_divisors]

In prior sections: LogicSupplement

Try larger context: DiscrMathExt IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html