
theorem Th1:
  for A,B,C being non empty set, f being Function of A,Funcs(B,C)
  holds curry uncurry f = f
proof
  let A,B,C be non empty set, f be Function of A,Funcs(B,C);
  rng f c= Funcs(B,C);
  hence thesis by FUNCT_5:48;
end;
