cardinality of the rationals

The set of rational numbers is countableMathworldPlanetmath, and therefore its cardinality is 0.

Title cardinality of the rationals
Canonical name CardinalityOfTheRationals
Date of creation 2013-03-22 11:59:47
Last modified on 2013-03-22 11:59:47
Owner quadrate (89)
Last modified by quadrate (89)
Numerical id 6
Author quadrate (89)
Entry type Theorem
Classification msc 03E10
Synonym power of the rationals
Related topic Countable
Related topic RationalNumber
Related topic Irrational
Related topic AlgebraicNumbersAreCountable
Related topic A_nAreCountableSoIsA_1XXA_nIfA_1