[Home]History of Countably infinite

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Revision 13 . . August 18, 2001 10:37 am by AxelBoldt [*link]
Revision 12 . . August 10, 2001 9:28 pm by AxelBoldt [correct definition]
Revision 11 . . (edit) April 27, 2001 12:10 pm by (logged).116.226.xxx [fixed even numbers]
  
Difference (from prior major revision) (author diff)

Changed: 24c24
This is where you map the set you want to show as countably infinite to another set. You then map this other set to the natural numbers. For example, the Rational numbers can easily be mapped to (a subset of) the pairs of integers through p/q maps to (p,q).
This is where you map the set you want to show as countably infinite to another set. You then map this other set to the natural numbers. For example, the Rational numbers can easily be mapped to (a subset of) the pairs of integers through p/q maps to (p,q).
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