William J. Mitchell.
I[ω2] can be the nonstationary ideal on Cof (ω1). Transactions of the American Mathematical Society, vol. 361 (2009), no. 2, pp. 561–601.
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1906 ◽
Vol 12
(5)
◽
pp. 223-235
2006 ◽
Vol 38
(04)
◽
pp. 696-697
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