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Set equality

Name: Anonymous 2011-09-07 18:25

Proave A = B by showing A is a subset of B and B is a subset of A using a direct proof.

I have no fucking idea how to do this.

Name: Anonymous 2011-09-08 7:42

Give an injective function that maps all the elements of set A to set B.

Give another injective function that maps all the elements of set B to set A.

You're done.

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