Find the set B\A and A\B in the following.
(a) A = { 1,2,3,4,5,6} , B = { 3,5} (b) A = { p,q,r,s} , B = { x,y,z}
(c) A = { 1,2,3} , B = { 1,2,3,4}
- S = the set of natural numbers and T = the set of positive even numbers. Describe in words
the complement of T.
- Let S = {1,2,3,4,5,6,7,8,9} and A = { 1,2,3,4,5}, B = { 2,4,6,8}. Find (a) A^' (b) B^'
(c) A'∩B' (d) A∪B (e) (A∪B)^' what can you say about A'∩B' and (A∪B)^'?
- S = {1,2,3,4,5,6,7,8}, A = {1,2,3,5,7}, B = {1,3,5,7}, C = {2,4,6,8}
(i) List the sets A^', B^'and C^'.
(ii) State whether each of the following is true or false.
(a) A∩A^'=∅ (b) A∪A^'=∅ (c) A⊂B (d) B⊂A
(e) A'⊂B' (f) B'⊂A' (g) B^'=C (h) B⊂C^'
