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17 votes
8 answers
7k views

Can we have a one-one function from [0,1] to the set of irrational numbers?

Since both of them are uncountable sets, we should be able to construct such a map. Am I correct? If so, then what is the map?
Error 404's user avatar
  • 6,016
3 votes
1 answer
4k views

Bijection from the irrationals to the reals

Since the irrationals and the reals have the same cardinality, there must be a bijection between them. Somewhere on this forum I found something like this: Map all of the numbers of the form $q + ...
Aemilius's user avatar
  • 3,719