inaccessible cardinal


A limit cardinal κ is a strong limit cardinal if for any λ<κ, 2λ<κ.

A regularPlanetmathPlanetmath (http://planetmath.org/cofinality) limit cardinal κ is called weakly inaccessible, and a regular strong limit cardinal is called inaccessible.

Title inaccessible cardinal
Canonical name InaccessibleCardinal
Date of creation 2013-03-22 12:52:46
Last modified on 2013-03-22 12:52:46
Owner Henry (455)
Last modified by Henry (455)
Numerical id 7
Author Henry (455)
Entry type Definition
Classification msc 03E55
Related topic CardinalNumber
Defines inaccessible
Defines weakly inaccessible
Defines strongly inaccessible
Defines strong limit