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Sam Roberts
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22
How badly can the GCH fail globally?
Aug 5, 2020
12
What is the strength of chains of 1-extendibles?
Nov 26, 2013
12
Does the existence of the von Neumann hierarchy in models of Zermelo set theory with foundation imply that every set has ordinal rank?
Sep 1, 2013
10
Kunen (2011) exercise IV.8.17: $M[G]\vDash HOD^\mathbb{R}\subseteq L[\mathbb{R}]$
May 11, 2017
10
Elementary embeddings and replacement
May 13, 2021
9
Does the axiom schema of collection imply schematic dependent choice in ZFCU?
Mar 25, 2021
7
higher-order reflection
Sep 17, 2014
7
Inaccessible cardinal and $\Sigma_1$ reflection
Mar 15, 2015
6
The Kunen inconsistency and definable classes
May 3, 2013
6
Order Types and Replacement Schema
Jan 8, 2014