Let A and B be sets with cardinal numbers, n(A)= a and n(B)= b, respectively. Decide whether the statement is true or false.
-$n ( A \cap B ) = n ( B \cap A )$

Name: Let A and B be sets with cardinal numbers, n(A)= a and n(B)= b, respectively. Decide whether the statement is true or false. -$n ( A \cap B ) = n ( B \cap A )$
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Question

Quizplus · Accepted Answer

The intersection operation is commutative, meaning $A \cap B = B \cap A$, so their cardinal numbers are equal.

Let a and B Be Sets with Cardinal Numbers, N(A)= n(A∩B)=n(B∩A)n ( A \cap B ) = n ( B \cap A )n(A∩B)=n(B∩A)

Let a and B Be Sets with Cardinal Numbers, N(A)= $n ( A \cap B ) = n ( B \cap A )$