What are some sets that satisfy A∩P(A)ε B?

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SUMMARY

The discussion centers on the mathematical condition A∩P(A)ε B, where A is defined as the set {1, 2} and P(A) as its power set {∅, {1}, {2}, {1, 2}}. The user concludes that A∩P(A) results in the empty set (∅), which is an element of set B defined as {∅}. Thus, the condition A∩P(A)ε B is satisfied, confirming the correctness of the example provided.

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  • Familiarity with the notation ε (element of) in set theory.
  • Basic knowledge of how to construct examples in mathematical proofs.
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bonfire09
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Homework Statement


The problem wants me to give an example of two sets that satisfy this condition

A∩P(A)ε B


Homework Equations



None

The Attempt at a Solution


For my example I used this example
A={1,2}
P(A)={∅,{1},{2},{1,2}}
A∩P(A)=∅
B={∅}
∅ε B

Therefore A∩P(A)ε B
is this a correct example?
 
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im allowed to make up a set for set B. But considering that A∩P(A)=∅ then I thought that the empty set has to be an element in set B.
 


It seems to be correct.
 

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