Ok guys, for any 2 non-empty sets X and Y drawn from the same univserse, U, let Z be defined

Therefore,

I need to prove Z could equal Ø.

Also, Z can equal U.

Thanks for any help.

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- April 7th 2011, 11:19 AMKostapoulousSet Theory Help.
Ok guys, for any 2 non-empty sets X and Y drawn from the same univserse, U, let Z be defined

Therefore,

I need to prove Z could equal Ø.

Also, Z can equal U.

Thanks for any help. - April 7th 2011, 11:28 AMPlato
- April 7th 2011, 11:35 AMemakarov
iff .

iff and . - April 7th 2011, 11:35 AMKostapoulous
- April 7th 2011, 11:40 AMPlato
- April 7th 2011, 12:38 PMKostapoulous
- April 7th 2011, 12:48 PMPlato
- April 7th 2011, 12:59 PMKostapoulous