Mathematics, 08.07.2019 11:20, joejoefofana
Determine whether each of these sets is the power set of a set, where a and b are distinct elements. a.∅ c.{∅,{a},{∅,a}}
Answers: 1
cannot be the power set of any set. Consult Cantor's theorem, which says that the cardinality of the power set of any set (even the empty set) is strictly greater than the cardinality of the set.
elements, where 
is the cardinality of the original set. The cardinality of this set is 3, but there is no integer 
. This set would be a power set if 
(that is, the set containing the empty set) were a member of it.
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Determine whether each of these sets is the power set of a set, where a and b are distinct elements....
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