Respuesta :

CovalentAYUS

W={a, b, c, d}

n(W) =4

No of subsets =2^n=2^4=16

The subsets are

  1. {a, b};
  2. {a, c};
  3. {a, d};
  4. {b, c};
  5. {b, d};
  6. {c, d};
  7. {a};
  8. {b};
  9. {c};
  10. {d};
  11. {a, b, c};
  12. {a, b, d};
  13. {a, c, d};
  14. {b, c, d},
  15. {a, b, c, d};
  16. {0}