try using ⊂ for subset
(a) ∅ is a subset of all sets.
have any thoughts on the others? They really are quite simple.
Given A={1,2,3} and B={2,{3}}. Determine whether each of the following statements is TRUE or FALSE.
a) ∅ C B
b) B C A
c) {3} C A
d) {2,3} C A
e) {2,{3}} ∈ P(B)
f) | P(B)|=4
g) {0,1} c A
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