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Jul 3, 2016 at 14:34 answer added Dan Saattrup Nielsen timeline score: 5
May 30, 2012 at 4:10 vote accept lesnikow
Apr 28, 2012 at 11:06 answer added Joel David Hamkins timeline score: 11
Apr 28, 2012 at 8:32 comment added lesnikow I'll take a look at the exercise, though I'm not immediately seeing, given the exercise, how a normal ulrafilter over $P_\kappa \kappa$ will give a $(\kappa,\lambda)$-extender...
Apr 28, 2012 at 7:52 history edited lesnikow CC BY-SA 3.0
changed according to first comment
Apr 28, 2012 at 6:11 comment added Eran A hint to your lemma might be exercise 22.5 in Kanamori's "The higher infinite".
Apr 28, 2012 at 5:19 history edited lesnikow CC BY-SA 3.0
fixed wording; deleted 8 characters in body; edited title
Apr 28, 2012 at 4:32 history asked lesnikow CC BY-SA 3.0