While traveling downtown today, I came across a sign near a local church, with a quotation of Saint-Exupéry:
“Pure logic is the ruin of the spirit”? So sad.
Archives
Recent blog posts
- The S-space problem, and the cardinal invariant $\mathfrak b$ April 4, 2013
- An $S$-space from a Cohen real April 3, 2013
- Forcing with a Souslin tree makes $\mathfrak p=\omega_1$ April 1, 2013
- The S-space problem, and the cardinal invariant $\mathfrak p$ March 28, 2013
- Jones’ theorem on the cardinal invariant $\mathfrak p$ March 26, 2013
- Erdős 100 March 26, 2013
- Bell’s theorem on the cardinal invariant $\mathfrak p$ March 21, 2013
- The $\Delta$-system lemma: an elementary proof March 20, 2013
Keywords
Almost countably chromatic free Boolean algebra Singular Density Rainbow sets Souslin Tree middle diamond diamond star Whitehead Problem Rock n' Roll Rado's conjecture Sakurai's Bell inequality PFA(S)[S] Prevalent singular cardinals Cohen real Erdos Cardinal reflection principles approachability ideal Singular Cofinality Dushnik-Miller Large Cardinals Minimal Walks square Ostaszewski square Erdos-Hajnal graphs Club Guessing Singular cardinals combinatorics Aronszajn tree P-Ideal Dichotomy S-Space Mandelbrot set Uniformization projective Boolean algebra Non-saturation Successor of Singular Cardinal incompactness Shelah's Strong Hypothesis weak diamond sap Cardinal function Forcing Partition Relations Knaster stationary reflection Hereditarily Lindelöf space Poset Axiom R Foundations Successor of Regular Cardinal very good scale stationary hitting b-scale Antichain Kurepa Hypothesis Generalized Clubs weak square Square-Brackets Partition Relations polarized partition relation Diamond Small forcing Chromatic number Prikry-type forcing
I guess my spirit is pretty ruined then.