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» The Bounded Axiom A Forcing Axiom
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MLQ
2010
110views more  MLQ 2010»
13 years 9 months ago
The Bounded Axiom A Forcing Axiom
Thilo Weinert
JSYML
2008
78views more  JSYML 2008»
13 years 10 months ago
Hierarchies of forcing axioms I
Abstract. We prove new upper bound theorems on the consistency strengths of SPFA(), SPFA(-linked) and SPFA(+ -cc). Our results are in terms of (, )-subcompactness, which is a new l...
Itay Neeman, Ernest Schimmerling
JSYML
2007
51views more  JSYML 2007»
13 years 10 months ago
Forcing indestructibility of set-theoretic axioms
Various theorems for the preservation of set-theoretic axioms under forcing are proved, regarding both forcing axioms and axioms true in the L´evy collapse. These show in particul...
Bernhard König
APAL
2006
60views more  APAL 2006»
13 years 11 months ago
The Proper Forcing Axiom, Prikry forcing, and the Singular Cardinals Hypothesis
The purpose of this paper is to present some results which suggest that the Singular Cardinals Hypothesis follows from the Proper Forcing Axiom. What will be proved is that a form ...
Justin Tatch Moore
JSYML
2007
73views more  JSYML 2007»
13 years 10 months ago
The ground axiom
Abstract. A new axiom is proposed, the Ground Axiom, asserting that the universe is not a nontrivial set forcing extension of any inner model. The Ground Axiom is first-order expr...
Jonas Reitz