Search the Kids Internet
Encyclopedia > Weakly inaccessible cardinal
Article Content
Weakly inaccessible cardinal
A cardinal number κ > א0 is called weakly inaccessible iff cf(κ) = κ, where cf denotes the cofinality. Assuming that ZFC is consistent, the existence of weakly inaccessible cardinals provably cannot be proved in ZFC.
All Wikipedia text is available under the terms of the GNU Free Documentation License
|
Search Encyclopedia
|
Featured Article
|