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- Jun 20, 2014

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Does there exist a real-valued function on $\Bbb R$ that is discontinuous only on the irrationals?

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Remember to read the POTW submission guidelines to find out how to submit your answers!

- Thread starter Euge
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- Thread starter
- Moderator
- #1

- Jun 20, 2014

- 1,894

-----

Does there exist a real-valued function on $\Bbb R$ that is discontinuous only on the irrationals?

-----

Remember to read the POTW submission guidelines to find out how to submit your answers!

- Thread starter
- Moderator
- #2

- Jun 20, 2014

- 1,894

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- Not open for further replies.