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I've been struggling with this exercise, and was hoping someone here might be able to point me in the right direction.

Question. Let $m^*$ denote the Lebesgue outer measure on $[0,1]$. Show that there exists $A \subseteq [0,1]$ s.t. for every interval $I \subseteq [0,1]$ we have

  1. $m^*(A \cap I)<m^*(I)$,
  2. $m^*(A^\complement \cap I)<m^*(I).$

EDIT: I guess I misunderstood the conditions, and this is indeed a duplicate. Apologies.

doodle
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    chech this http://math.stackexchange.com/questions/57317/construction-of-a-borel-set-with-positive-but-not-full-measure-in-each-interval – Dimitris Jan 24 '14 at 00:41
  • Thanks! I suppose I didn't read that question and its answers carefully enough. Mine is indeed a duplicate. Not sure how to proceed from here. Should I delete my question? – doodle Jan 24 '14 at 23:04

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