15

Questions
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3
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Is the ordering principle preserved in generic extensions?

oct 3 11 at 6:19 Asaf Karagila 7,448●1●15●44

 
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Boolean Prime Ideal Theorem and non-principal ultrafilters

sep 27 11 at 11:29 Stefan Geschke 10.6k●1●15●37

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Existence of non-principal ultrafilters on sets

sep 27 11 at 11:55 François G. Dorais♦ 23.1k●2●52●116

 
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Classes of finite graphs closed under substitution

dec 3 11 at 19:22 MathOverflow♦ 1●2●3

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Axiom of Choice: Ultrafilter vs. Vitali set

mar 19 at 18:13 Paul Larson 196●2●3

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232
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Finite graphs that realize all types over $n$-element sets

may 11 11 at 20:06 Andreas Blass 33.8k●4●59●111

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6
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956
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Independent families of subsets of $\mathbb N$ of size continuum

apr 4 12 at 10:24 KP Hart 2,311●5●13

 
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763
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What is this operation on graphs called?

sep 29 10 at 16:55 Stefan Geschke 10.6k●1●15●37

 
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324
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A sequence of generic filters that does not come from an iteration

jul 30 11 at 12:43 Joel David Hamkins 76.8k●8●192●355

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Interpretation of the Second Incompleteness Theorem

aug 17 at 13:37 Stefan Geschke 10.6k●1●15●37

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