Definition:Linearly Irrational Number
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Definition
A number $n$ is linearly irrational if $n$ irrational but its square $n^2$ is rational.
Thus, the set of the linearly irrational numbers is:
- $\set {x \in \R \setminus \Q : x^2 \in \Q}$
Linguistic Note
The term linearly irrational was invented by $\mathsf{Pr} \infty \mathsf{fWiki}$.
As such, it is not generally expected to be seen in this context outside $\mathsf{Pr} \infty \mathsf{fWiki}$.