139

Questions
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Longest coinciding pair of integer sequences known

jul 3 11 at 18:04 Laurent Berger 4,104●1●13●26

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Non-standard models of finite set theory

may 7 11 at 4:15 SJR 3,042●1●6●16

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Two interacting bodies in an external field

sep 25 11 at 22:25 Hans Stricker 5,233●12●38

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Non-constructive proofs of decidability?

feb 3 11 at 17:22 Emil Jeřábek 10.6k●1●24●41

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An ubiquitous pattern of questions

feb 16 10 at 15:05 Hans Stricker 5,233●12●38

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Models of ZFC Set Theory - Getting Started

jun 27 10 at 9:37 Marc Alcobé García 979●2●12

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Simple show cases for the Yoneda lemma

jan 15 10 at 22:35 Dan Piponi 3,893●3●25●40

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Number of permutations with a specified number of fixed points

feb 16 10 at 0:54 Hans Stricker 5,233●12●38

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Number of trees with n nodes and m leaves

apr 21 10 at 9:44 Douglas S. Stones 2,956●1●12●31

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Self-defining structures

mar 4 11 at 16:58 Hans Stricker 5,233●12●38

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