reserve S,T,W,Y for RealNormSpace;
reserve f,f1,f2 for PartFunc of S,T;
reserve Z for Subset of S;
reserve i,n for Nat;

theorem
  for X, Y be RealNormSpace,
  Z be Subset of product <*X,Y*> holds
  IsoCPNrSP(X,Y)" is_continuous_on Z by LM015;
