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"There exists exactly two things in an (arbitrary) set":
.
Example:
Notation:
Let . That is, is the set of all non-negative integers.
Let denote the set of all perfect squares.
where and are the only 2 solutions in to , where .
I realize this may not be the best example...tell me what ya'll think!
MikeEnnen (talk) 12:07, 28 May 2011 (UTC)[reply]
Looking back I have no idea what I was doing here.
MikeEnnen (talk) 19:10, 14 September 2011 (UTC)[reply]