C={w ^* | long(w) <= 2}

a) ^* \ B                 d) (B C)^c

b) \ B                 e) B^c U C^c

c) \ C                  f) A^c B^c

g) ¿Cuántos conjuntos hay en ( )?

1. ^* \ B = {w ^* | long(w) <2} = {, a, b}
   
   
2. \ B = {a, b}
   
   
3. \ C =
   C = {, a, b}
   
   
4. (B C)^c = {w ^* | long(w) 2} = { , a, b, aaa, aab, ...}
   B C = {w ^* | long(w) = 2} = {aa, ab, ba, bb}
   
   
5. B^c U C^c = {w ^* | long(w) 2}
   B^c = {w ^* | long(w) < 2}
   C^c = {w ^* | long(w) > 2}
   
   
6. A^c B^c = { }
   B^c = {, a, b}
   A^c = {, ab, ba, aab, ...}
   
   
7. () = {, {a}, {b}, {ab} }