reserve Omega for non empty set;
reserve r for Real;
reserve Sigma for SigmaField of Omega;
reserve P for Probability of Sigma;
reserve E for finite non empty set;

theorem
  for Omega be non empty finite set, M being sigma_Measure of
Trivial-SigmaField (Omega), f be PartFunc of Omega,REAL st dom f <> {} & M.(dom
  f) < +infty holds f is_integrable_on M by Lm5,Th6;
