User:Wherewithal
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![A = B \Leftrightarrow (\forall x)[x \in A \Leftrightarrow x \in B]](../../../../math/c/e/e/ceeba7751b06f4b8057b236dde6c25c9.png)
Interaction
- This page was last modified 06:21, 24 May 2008 by Wikipedia user Wherewithal.
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