b is not a subset of a since 9 cannot be found in the set A
Subset of a set.
A subset is a set that can be found in another set. For instance {2} is a subset of {2, 4} since 2 can be found in (2, 4)
Given the sets below
a= (2,3,5,7,11)
b= (3,5,7,9,11)
b is not a subset of a since 9 cannot be found in the set A
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