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Ulam matrix Closed coloring Amenable C-sequence Knaster and friends Commutative cancellative semigroups S-Space approachability ideal stick Vanishing levels Forcing Axioms Minimal Walks GMA super-Souslin tree Erdos-Hajnal graphs diamond star incompactness Analytic sets 54G20 free Boolean algebra stationary reflection Open Access Absoluteness Chang's conjecture Mandelbrot set tensor product graph Microscopic Approach square principles Jonsson cardinal strongly bounded groups weak Kurepa tree Almost countably chromatic Subtle cardinal Constructible Universe C-sequence club_AD Square-Brackets Partition Relations Prevalent singular cardinals Ineffable cardinal Partition Relations Sakurai's Bell inequality Hereditarily Lindelöf space Slim tree ZFC construction Chromatic number Diamond Sierpinski's onto mapping principle Axiom R Prikry-type forcing coloring number Universal Sequences Distributive tree b-scale Reduced Power Cardinal Invariants Whitehead Problem Hindman's Theorem Erdos Cardinal Iterated forcing Singular Density Ramsey theory over partitions Fat stationary set Non-saturation Fast club square Cardinal function higher Baire space unbounded function Poset Club Guessing middle diamond Large Cardinals Ascent Path Antichain Generalized Clubs Forcing full tree Rock n' Roll Precaliber Successor of Regular Cardinal regressive Souslin tree Cohen real Rado's conjecture L-space Local Club Condensation. Hedetniemi's conjecture Lipschitz reduction Nonspecial tree ccc Almost-disjoint family Rainbow sets Strong coloring Subtle tree property AIM forcing indecomposable ultrafilter Successor of Singular Cardinal Generalized descriptive set theory Luzin set Ostaszewski square Shelah's Strong Hypothesis Greatly Mahlo Uniformly homogeneous stationary hitting PFA(S)[S] Postprocessing function Souslin Tree Well-behaved magma Almost Souslin Dushnik-Miller Uniformization P-Ideal Dichotomy PFA polarized partition relation Subadditive Singular cardinals combinatorics positive partition relation projective Boolean algebra Selective Ultrafilter weak diamond O-space Was Ulam right HOD Aronszajn tree weak square Uniformly coherent Foundations Reflecting stationary set transformations Coherent tree SNR xbox Martin's Axiom Weakly compact cardinal nonmeager set sap Sigma-Prikry Kurepa Hypothesis Small forcing OCA countably metacompact Diamond-sharp Fodor-type reflection Filter reflection Singular cofinality Knaster Dowker space reflection principles Parameterized proxy principle Strongly Luzin set specializable Souslin tree Subnormal ideal very good scale Diamond for trees free Souslin tree
This is certainly not a pipe.
Shana Tova.
I made my way here via Deborah Mayo’s sanctuary for frequentists like me, then to Booles Rings, to Carl Mummert’s home. Carl is a friendly face from mathoverflow.
This is a lovely, amusing post, yet there were no up votes! I tried to address that. Yes, I am Jewish. I smiled. Thank you.
Thanks a lot, Ellie, for such a friendly comment. I guess the lack of upvotes tells us that the intersection of the following three sets is nearly empty: 1. Blog visitors. 2. Magritte fans. 3. Shofar recognizers.
Really? Empty?
I suppose that I don’t visit your blog then. 😛
nearly empty.