 reserve m,n for Nat;
 reserve i,j for Integer;
 reserve S for non empty multMagma;
 reserve r,r1,r2,s,s1,s2,t for Element of S;
 reserve G for Group-like non empty multMagma;
 reserve e,h for Element of G;
 reserve G for Group;
 reserve f,g,h for Element of G;
 reserve u for UnOp of G;

theorem
  h |^ (i + 1) = h |^ i * h & h |^ (i + 1) = h * (h |^ i)
proof
  h |^ 1 = h by Th25;
  hence thesis by Th32;
end;
