Difference between revisions of "Middle attic"

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Welcome to the middle attic, where you will find many of the commonly used concepts of infinity in set theory. All cardinals here either provably exist or have existence equiconsistent with ZFC.
 
Welcome to the middle attic, where you will find many of the commonly used concepts of infinity in set theory. All cardinals here either provably exist or have existence equiconsistent with ZFC.
  
 +
[[File:SagradaSpiralByDavidNikonsvcanon.jpg | right | Sagrada Spiral photo by David Nikonsvcanon]]
  
 
* Up to the [[upper attic]]
 
* Up to the [[upper attic]]

Revision as of 16:45, 28 December 2011

Welcome to the middle attic, where you will find many of the commonly used concepts of infinity in set theory. All cardinals here either provably exist or have existence equiconsistent with ZFC.