reserve k,n,m for Nat,
  A,B,C for Ordinal,
  X for set,
  x,y,z for object;
reserve f,g,h,fx for Function,
  K,M,N for Cardinal,
  phi,psi for
  Ordinal-Sequence;

theorem Th14:
  M in exp(2,M)
proof
  card bool M = exp(2,card M) & card M = M by CARD_2:31;
  hence thesis by CARD_1:14;
end;
