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Jan 24, 2012 at 20:21 history edited M P CC BY-SA 3.0
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Jan 24, 2012 at 16:59 comment added Qiaochu Yuan Note, furthermore, that the result to which Will alludes is a special case of the Yoneda lemma (applied to the poset viewed as a category, where $a \le b$ means that there is a single arrow $a \to b$).
Jan 24, 2012 at 9:39 history edited M P CC BY-SA 3.0
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Jan 23, 2012 at 20:23 vote accept Will Sawin
Jan 23, 2012 at 20:23 comment added Will Sawin To replace "seems to be", note that you can just map each thing to the set of things it's bigger than or equal to.
Jan 23, 2012 at 20:17 history answered M P CC BY-SA 3.0