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- A strong form of König’s lemma October 21, 2017
- Prikry forcing may add a Souslin tree June 12, 2016
- The reflection principle $R_2$ May 20, 2016
- Prolific Souslin trees March 17, 2016
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square principles stationary hitting OCA Almost countably chromatic PFA(S)[S] Non-saturation Singular coﬁnality Small forcing Microscopic Approach sap Cardinal Invariants free Boolean algebra Hindman's Theorem Fast club Rado's conjecture Club Guessing polarized partition relation very good scale Martin's Axiom Coherent tree HOD super-Souslin tree Weakly compact cardinal Prikry-type forcing square Commutative cancellative semigroups Constructible Universe specializable Souslin tree Ostaszewski square stationary reflection Erdos-Hajnal graphs Successor of Regular Cardinal Universal Sequences Kurepa Hypothesis middle diamond Cohen real Forcing Axioms Dushnik-Miller Minimal Walks Singular cardinals combinatorics free Souslin tree Fat stationary set Rainbow sets Parameterized proxy principle Sakurai's Bell inequality Erdos Cardinal L-space 05A17 Stevo Todorcevic Nonspecial tree Square-Brackets Partition Relations Souslin Tree Successor of Singular Cardinal Poset Hereditarily Lindelöf space Uniformization Cardinal function Singular Density Large Cardinals tensor product graph Almost Souslin Rock n' Roll xbox Generalized Clubs 11P99 Whitehead Problem Absoluteness coloring number projective Boolean algebra PFA weak diamond Chang's conjecture Uniformly coherent Mandelbrot set Knaster Partition Relations Postprocessing function b-scale Shelah's Strong Hypothesis Luzin set Slim tree P-Ideal Dichotomy Chromatic number Diamond Distributive tree Foundations Jonsson cardinal weak square Forcing Axiom R Ascent Path Antichain Selective Ultrafilter Aronszajn tree reflection principles ccc S-Space Prevalent singular cardinals Reduced Power Fodor-type reflection diamond star approachability ideal incompactness Almost-disjoint famiy Hedetniemi's conjecture

This is certainly not a pipe.

Shana Tova.

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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.

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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.

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Really? Empty?

I suppose that I don’t visit your blog then. 😛

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nearly empty.

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