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Sean Cox

Apparently, this user prefers to keep an air of mystery about them.

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Top posts (21)

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15 Intuition behind the diagonal intersection Sep 14 '12
13 Namba forcing and semiproperness Apr 28 '16
13 Does stationary reflection imply Mahloness? Jul 29 '15
12 Forcings that are not equivalent to Levy collapse Oct 9 '15
12 Posets preserving stationary subsets of $\omega_1$ and no new $\text{cof}(\omega)$ ordinals, but without countable covering property Jul 15 '15
11 Existence of a regular subposet which collapses everything except the top cardinal Jun 19 '13
10 ccc after strongly proper forcing Apr 26 '17
9 An explicit construction of reals added after some forcing notions Nov 5 '13
9 Semiproper but not proper Dec 10 '14
9 Does $\mathsf{MA}^+(\sigma-{\rm closed})$ imply there are no Kurepa Trees? Nov 26 '18
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