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### Recent blog posts

- Prikry forcing may add a Souslin tree June 12, 2016
- The reflection principle $R_2$ May 20, 2016
- Prolific Souslin trees March 17, 2016
- Generalizations of Martin’s Axiom and the well-met condition January 11, 2015
- Many diamonds from just one January 6, 2015
- Happy new jewish year! September 24, 2014
- Square principles April 19, 2014
- Partitioning the club guessing January 22, 2014

### Keywords

Hereditarily Lindelöf space Rock n' Roll 20M14 Coherent tree Successor of Singular Cardinal weak square Souslin Tree Aronszajn tree PFA(S)[S] P-Ideal Dichotomy Commutative cancellative semigroups square principles Kurepa Hypothesis Ascent Path Martin's Axiom Stevo Todorcevic Whitehead Problem Diamond 05A17 Generalized Clubs Absoluteness weak diamond Almost-disjoint famiy Knaster Distributive tree Slim tree Chromatic number Fat stationary set xbox OCA projective Boolean algebra Nonspecial tree Uniformization 05D10 Club Guessing Large Cardinals Reduced Power tensor product graph coloring number Cardinal Invariants Almost Souslin polarized partition relation L-space stationary reflection Erdos-Hajnal graphs sap Constructible Universe Antichain Minimal Walks square Singular coﬁnality incompactness Non-saturation reflection principles S-Space Prikry-type forcing Erdos Cardinal Partition Relations free Boolean algebra ccc approachability ideal Shelah's Strong Hypothesis Postprocessing function Prevalent singular cardinals Rado's conjecture Hindman's Theorem Forcing Axioms Axiom R middle diamond diamond star Jonsson cardinal Parameterized proxy principle Small forcing Square-Brackets Partition Relations Almost countably chromatic Microscopic Approach Sakurai's Bell inequality HOD 11P99 Uniformly coherent Foundations Hedetniemi's conjecture Cohen real Ostaszewski square Chang's conjecture Successor of Regular Cardinal Poset Singular cardinals combinatorics Dushnik-Miller stationary hitting b-scale Mandelbrot set Cardinal function Fodor-type reflection Selective Ultrafilter Forcing Fast club Universal Sequences very good scale Rainbow sets PFA Singular Density Weakly compact cardinal

# Tag Archives: Foundations

## Review: Is classical set theory compatible with quantum experiments?

Yesterday, I attended a talk at the Quantum Foundations seminar at the beautiful Perimeter Institute for Theoretical Physics (Waterloo, Ontario). The (somewhat provocative) title of the talk was “Is Classical Set Theory Compatible with Quantum Experiments?”, and the speaker was Radu … Continue reading