Question: State in each case whether A ⊂ B or A ⊄ B.
A = {x : x is an even natural number less than 8}, B = {x : x is a natural number which divides 32}
Solution:
A ⊄ B
Explanation: we have, A = {2,4,6} and B = {1,2,4,8,16,32}.
Thus , A ⊄ B , since 6 ∉ B
