\dalethThe symbol \daleth is used in set theory and other branches of mathematics to denote a cardinal number, specifically the fourth transfinite cardinal number. It is less commonly used than \aleph, which denotes the first transfinite cardinal number.
The smallest infinite cardinal number, similar to \aleph_0.
\daleth_0The cardinality of the set of all countable ordinal numbers.
\daleth_1A larger infinite cardinal number, where \omega represents the first infinite ordinal.
\daleth_{\omega}