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Oct 17, 2010 at 20:21 comment added Andrés E. Caicedo I think to recall that, years ago, Alf Onshuus found for any $n$ an argument from "every family of sets of size $n$ has a choice function". This is probably classic as well.
Oct 17, 2010 at 19:02 history edited Daniel Mehkeri CC BY-SA 2.5
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Oct 17, 2010 at 18:57 history answered Daniel Mehkeri CC BY-SA 2.5