State which of the following relations are correct and which incorrect:

(a) (AUB) C=AU (B-C).

(b) ABC = AB(CUB).

(c) AUBUC=AU (B-AB) U (C-AC). =

(d) AUB (A-AB) U B.

(e) AB UBC UCA > ABC.

(f) (ABBC UCA) (g) (AUB) (A UBU C). - A = B. (h) AB'CAU B. (i) (AUBUC)' = A'B'C'. (j) (AUB)'C = A'CU B'C. (k) (AUB)'C = A'B'C. (1) (AUB)'C=CC(AUB).