Timeline for Can there be two continuous real-valued functions such that at least one has rational values for all x?
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| Sep 10, 2010 at 19:54 | comment | added | mathahada | I was not familiar with this term up until now but yes, that's what I meant. Perhaps a better formulation would be: is there a curve in the plane such that all of its points have at least one rational coordinate | |
| Sep 10, 2010 at 19:48 | history | answered | user5810 | CC BY-SA 2.5 |