Aleph 1

Ordinate
Originally uploaded by ChrisTitan.

Aleph 1 is the set theory symbol of the smallest infinite set larger than Aleph Zero, which in turn is equal to the carndinality of the set of countable ordinal numbers.

An ordinal number is defined as the order type of a well ordered set.

The ordinate. The Y-(vertical) coordinate of a point in a two dimensional system.