Timeline for Consistency of "the sharp of every set exists"
Current License: CC BY-SA 3.0
4 events
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Nov 26, 2017 at 16:35 | comment | added | Dmytro Taranovsky | @YairHayut $ω_1$-Erdős cardinal does not imply closure under sharps above it, but I think it implies closure under sharps below it, and in any case has a higher consistency strength. | |
Nov 26, 2017 at 11:01 | comment | added | Yair Hayut | I thought that $\omega_1$-Erdos only implies that $\forall x\in \mathbb{R}$, $x^{\#}$ exists, and not the full closure under sharps. | |
Nov 26, 2017 at 8:51 | vote | accept | Julian Barathieu | ||
Nov 26, 2017 at 2:57 | history | answered | Dmytro Taranovsky | CC BY-SA 3.0 |