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Name of a simple equivalence relation on real numbers?
Define the relation $x \sim y$ where $x$ and $y$ are real numbers to hold if and only if there exist natural numbers $n$ and $m$ such that $x^n = y^m$. It is easy to see that $\sim$ is an equivalence ...
Nov 23 '12 at 12:17
Kristoffer Arnsfelt Hansen
newest equivalence-relations arithmetic questions feed
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