(Mathematics) the smallest infinite cardinal number; the cardinal number of the set of positive integers. Symbol:א0 Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 ...
My Son, our Father in Heaven hath passed into the Sign of the Ram. I have performed the Rite of Union with Him according to the ancient Manner, and I know the Word that shall rule the Semester. Also it is given unto my Spirit to write unto thee concerning the Virtue of this Rite, ...
The set theory symbol aleph_0 refers to a set having the same cardinal number as the "small" infinite set of integers. The symbol aleph_0 is often pronounced "aleph-null" rather than "aleph-zero," probably because Null is the word for "zero" in Georg Can