
theorem Th17:
  for X being non empty compact TopSpace holds
  C_Normed_Algebra_of_ContinuousFunctions X is ComplexAlgebra
proof
  let X being non empty compact TopSpace;
  1.(C_Normed_Algebra_of_ContinuousFunctions X)
     = 1_C_Algebra_of_ContinuousFunctions X;
   hence thesis by CC0SP1:14;
end;
