- Four good proofs of the countability of the rationals http://divisbyzero.com/2009/09/11/cardinality1-html/ 24 comments compsci
Linking pages
Linked pages
- An easy proof that rational numbers are countable http://www.homeschoolmath.net/teaching/rational-numbers-countable.php 20 comments
- https://www.math.upenn.edu/~wilf/website/recounting.pdf 4 comments
- Recounting the Rationals, part I | The Math Less Traveled http://www.mathlesstraveled.com/?p=94 3 comments
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