Blog Read the Guide to Posting. Filter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesSuggestions for Reverse Mathematics beyond $L_{2}$OpenSam Sanders asked 3 years ago580 views0 answers2 votesOver $ZF$, does the existence of a cofinal maximal chain of Turing degrees imply the existence of a well ordering of reals?Open喻良 asked 3 years ago403 views0 answers1 votesA finite nontrivial group not isomorphic to \(\text{Aut}(\mathcal D)\)OpenBjørn Kjos-Hanssen asked 3 years ago419 views0 answers2 votesDoes $\mathsf{SRT}^2_2$ imply $\mathsf{COH}$ in \(\omega\)-models?OpenDamir Dzhafarov asked 3 years ago858 views0 answers2 votesRamsey’s theorem and productOpenLudovic Patey asked 3 years ago422 views0 answers1 votes