Enumerating the Rationals

Initializing live version
Download to Desktop

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

The rational numbers can be arranged in a sequence, so that it is possible to speak of a first rational number, a second rational number, and, in general, an rational number, for any positive integer .

Contributed by: Matthew Szudzik (March 2011)
Open content licensed under CC BY-NC-SA



For a more in-depth discussion of the countability of positive rational numbers, see this article.

Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.