# Middle attic

From Cantor's Attic

Revision as of 13:32, 16 December 2011 by Jdh (Talk | contribs) (Created page with "Welcome to the middle attic, where you will find many of the commonly used concepts of infinity in set theory. * The <math>\beth_\alpha</math> hierarchy * <math>\beth_\omega...")

Welcome to the middle attic, where you will find many of the commonly used concepts of infinity in set theory.

- The \(\beth_\alpha\) hierarchy
- \(\beth_\omega\)
- The \(\aleph_\alpha\) hierarchy
- \(\aleph_\omega\)
- \(\aleph_3\)
- \(\aleph_2\)
- \(\frak{c}\), same as \(\beth_1\)
- \(\aleph_1\)
- \(\aleph_0\), same as \(\beth_0\)