Hello to everyone!

Could someone say me the answer of the following set question?

A ∩ B ⊆ A ∪ B = Prove!

It needs a proving like the example below:

A ∩ B = {x|x€A and x€B}

Thanks,

Best wishes.

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- Oct 13th 2008, 03:42 PMkallea "sets" question.
Hello to everyone!

Could someone say me the answer of the following set question?

A ∩ B ⊆ A ∪ B = Prove!

It needs a proving like the example below:

A ∩ B = {x|x€A and x€B}

Thanks,

Best wishes. - Oct 13th 2008, 08:43 PMJhevon