Thread: please 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?

Originally Posted by kodirl

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?

You can use tautology to prove it.

For example for (i):

if and only if