Yikes...help please if you can:

1. Prove B-(A U B)=0 Note "0" here is the empty set

2. Prove if A Intersect B =A, then A is a subset of B Note: This is not to be proven by Algebra of Sets, rather treated as a proof of a biconditional proposition.

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- November 18th 2007, 03:08 AMIIuvsnshineProving unions by Algebra of Sets
Yikes...help please if you can:

1. Prove B-(A U B)=0 Note "0" here is the empty set

2. Prove if A Intersect B =A, then A is a subset of B Note: This is not to be proven by Algebra of Sets, rather treated as a proof of a biconditional proposition. - November 18th 2007, 10:35 AMThePerfectHacker