Editing Beth number (section)

=== Beth null ===
Since this is defined to be <math>\aleph_0</math>, or [[aleph null]], sets with cardinality <math>\beth_0</math> include:

* the [[natural number]]s <math>\mathbb{N}</math>
* the [[rational number]]s <math>\mathbb{Q}</math>
* the [[algebraic number]]s <math>\mathbb{A}</math>
* the [[computable number]]s and [[computable set]]s
* the set of [[finite set]]s of [[integer]]s or of [[rational number|rationals]] or of [[algebraic number]]s
* the set of [[Multiset|finite multiset]]s of [[integer]]s
* the set of [[finite sequence]]s of [[integer]]s.