How should i answer following type of question? "For any set X, let P(X) denote the power set of X. Let A and B be arbitrary sets. Prove or Disprove: P(AuB)=P(A) u P(B)." Thanks for helping in advance
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Originally Posted by faisalnet5 How should i answer following type of question? "For any set X, let P(X) denote the power set of X. Let A and B be arbitrary sets. Prove or Disprove: P(AuB)=P(A) u P(B)." Consider two cases. 1) If is it true that or 2) If is it true that . If both of those are true the they are equal. Otherwise, find a simple counter-example.
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