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I'm having trouble with this proof. any hints would be greatly appreciated!

If $x$ is a positive real number, show that for some $\epsilon$ $>0, $ then $y\in \Bbb{R}$ is positive if $|(x-y)|< $ $\epsilon$.

graydad
  • 14,077

2 Answers2

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Hints:

All the $y$ satisfies $|x-y|<\epsilon$ is the set $(x-\epsilon, x+\epsilon)$

Paul
  • 20,553
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Hins. Take: $$\epsilon=x$$. then got that $y>0$