Encyclopedia > Mahlo cardinal

  Article Content

Mahlo cardinal

A cardinal number κ > ‭א‬0 is called Mahlo iff the set U = {λ < κ: λ is inaccessible} is stationary[?] in κ. Assuming that ZFC is consistent, the existence of Mahlo cardinals provably cannot be proved in ZFC.

Mahlo cardinals were first described in 1911 by mathematician Paul Mahlo[?].



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Flapper

... dancing that accompanied it. Called garconne in French, flapper style made them look young and boyish. The short "bob" haircut became popular, only to be replaced later by ...

 
 
 
This page was created in 31.9 ms