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Questions
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Generalizations of pcf theory

oct 13 11 at 21:55 Amit Kumar Gupta 2,909●11●26

 
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Bounds on $\max \mathrm{pcf}(A)$ if $\Pi A$ is big

oct 11 11 at 17:59 François G. Dorais♦ 23.1k●2●52●116

 
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PFA and the compactness/incompactness of $\omega_2$

sep 7 11 at 0:21 Amit Kumar Gupta 2,909●11●26

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Why is this theorem (about $L(P(\omega_1))^V$ and $L(P(\omega_1))^{V[G]}$) nice?

jul 22 11 at 4:38 François G. Dorais♦ 23.1k●2●52●116

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Reference letters for teaching positions

jul 12 11 at 0:42 Andrew 95●1●1●6

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Is every p-point ultrafilter Ramsey?

may 6 11 at 17:27 Goldstern 5,310●1●12●27

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Is the set of cube-free binary sequences perfect?

apr 19 11 at 15:02 Amit Kumar Gupta 2,909●11●26

 
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If $0^{\sharp}$ exists, then every uncountable cardinal in $V$ is as large as it can be in $L$.

apr 15 11 at 0:22 François G. Dorais♦ 23.1k●2●52●116

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Does a generic normal measure extend the club filter?

apr 10 11 at 19:05 Amit Kumar Gupta 2,909●11●26

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Normal measures on $P_{\kappa }(\lambda )$ extend the club filter

apr 9 11 at 4:44 Jason 1,954●1●5●16

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