Prove each of the following statements about sets A,B and C.

(i)AnB=BnA

(ii)(AnB)nC=An(BnC)

etc

Do you use venndiagrams to prove?

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- Aug 9th 2006, 04:02 AMkodirlplease help..
Prove each of the following statements about sets A,B and C.

(i)AnB=BnA

(ii)(AnB)nC=An(BnC)

etc

Do you use venndiagrams to prove? - Aug 9th 2006, 04:46 AMOReillyQuote:

Originally Posted by**kodirl**

For example for (i):

$\displaystyle A \cap B = B \cap A$ if and only if $\displaystyle x \in A \wedge x \in B \Leftrightarrow x \in B \wedge x \in A$