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middle diamond Knaster regressive Souslin tree Martin's Axiom super-Souslin tree Mandelbrot set b-scale Hindman's Theorem Commutative cancellative semigroups Cardinal function Vanishing levels Axiom R Fast club Reduced Power Slim tree Lipschitz reduction Reflecting stationary set Dowker space Cohen real Prevalent singular cardinals Generalized Clubs Entangled linear order perfectly normal Knaster and friends AIM forcing Forcing with side conditions Uniformly homogeneous Partition Relations Weakly compact cardinal Foundations PFA square principles Strong coloring Minimal Walks Local Club Condensation. weak square reflection principles Closed coloring Nonspecial tree very good scale Almost Souslin Postprocessing function Well-behaved magma polarized partition relation L-space Chromatic number Chang's conjecture Ramsey theory over partitions Almost countably chromatic Microscopic Approach Amenable C-sequence strongly bounded groups club_AD C-sequence unbounded function GMA Sigma-Prikry SNR Square-Brackets Partition Relations Hereditarily Lindelöf space square Monotonically far Intersection model Erdos-Hajnal graphs stationary hitting Sierpinski's onto mapping principle Ostaszewski square specializable Souslin tree Interval topology on trees Whitehead Problem Filter reflection Antichain stationary reflection 54G20 Almost-disjoint family higher Baire space Diamond Countryman line Souslin Tree Subnormal ideal free Boolean algebra Strongly Luzin set Iterated forcing S-Space Singular Density Analytic sets Kurepa Hypothesis Poset Sakurai's Bell inequality P-Ideal Dichotomy Selective Ultrafilter Partition relations for trees Parameterized proxy principle ZFC construction Non-saturation Subtle cardinal indecomposable filter Hedetniemi's conjecture Small forcing Ascending path Diamond for trees Singular cardinals combinatorics Uniformization Aronszajn tree incompactness Club Guessing Distributive tree OCA Forcing Rado's conjecture O-space Singular cofinality Constructible Universe sap Generalized descriptive set theory nonmeager set Open Access Rainbow sets Absoluteness coloring number Greatly Mahlo tensor product graph free Souslin tree Subadditive positive partition relation Erdos Cardinal xbox Was Ulam right? Shelah's Strong Hypothesis Fodor-type reflection Coherent tree projective Boolean algebra stick Commutative projection system Luzin set HOD ccc weak Kurepa tree full tree countably metacompact Precaliber Subtle tree property Cardinal Invariants diamond star Successor of Regular Cardinal Diamond-sharp PFA(S)[S] Ulam matrix Fat stationary set Prikry-type forcing Ascent Path Rock n' Roll approachability ideal Dushnik-Miller Universal Sequences weak diamond Uniformly coherent Strongly compact cardinal Large Cardinals Ineffable cardinal Respecting tree transformations Jonsson cardinal Forcing Axioms Successor of Singular Cardinal
Tag Archives: Fast club
Prikry forcing may add a Souslin tree
A celebrated theorem of Shelah states that adding a Cohen real introduces a Souslin tree. Are there any other examples of notions of forcing that add a $\kappa$-Souslin tree? and why is this of interest? My motivation comes from a … Continue reading