reserve R for Ring,
  V for RightMod of R,
  W,W1,W2,W3 for Submodule of V,
  u,u1, u2,v,v1,v2 for Vector of V,
  x,y,y1,y2 for object;

theorem
  for V being strict RightMod of R holds (0).V + (Omega).V = V &
  (Omega).V + (0).V = V by Th9;
