Timeline for Are two forms of the Dual Schroeder-Bernstein property equivalent?
Current License: CC BY-SA 3.0
11 events
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Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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Jan 15, 2015 at 5:53 | vote | accept | Yaakov Baruch | ||
Jan 15, 2015 at 0:57 | history | edited | Asaf Karagila♦ |
edited tags
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Jan 15, 2015 at 0:52 | answer | added | Asaf Karagila♦ | timeline score: 7 | |
Jan 14, 2015 at 21:56 | history | edited | Asaf Karagila♦ | CC BY-SA 3.0 |
Assaf is someone else.
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Jan 14, 2015 at 21:54 | history | edited | Yaakov Baruch | CC BY-SA 3.0 |
added 73 characters in body
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Jan 14, 2015 at 21:51 | comment | added | Asaf Karagila♦ | This is a difficult question, since we don't know any explicit models where $\sf ZF+\lnot AC+DSB$ hold, or $\sf ISB$ for that matter. At best we have "local examples" (where the general principle fails, but nontrivially holds for some set). My guess is that the implication is false. | |
Jan 14, 2015 at 21:46 | comment | added | Yaakov Baruch | Does ZF+ISB $\implies$ DSB? Should I edit? | |
Jan 14, 2015 at 21:45 | comment | added | Asaf Karagila♦ | As for your last remark, this thread shows that $\sf ISB$ is not provable in $\sf ZF$. | |
Jan 14, 2015 at 21:44 | comment | added | Asaf Karagila♦ | What do you mean "the converse"? | |
Jan 14, 2015 at 21:37 | history | asked | Yaakov Baruch | CC BY-SA 3.0 |