- #1
AxiomOfChoice
- 533
- 1
This is a practice final exam problem that has been giving me fits: Let [itex]E[/itex] be a Lebesgue measurable subset of the interval [itex][0,1][/itex] that has finite measure. Show that there exist two points [itex]x,y \in E[/itex] such that [itex]x-y[/itex] is rational.