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# expressible

*expressible* over $F$ if $F(\alpha)/F$ is a radical extension. On the other hand, $\alpha$ is *inexpressible* over $F$ if $F(\alpha)/F$ is not a radical extension.

Defines:

inexpressible

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Reference

Type of Math Object:

Definition

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## Mathematics Subject Classification

12F05*no label found*12F10

*no label found*

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## Comments

## inexpressible

The reason that I currently have this entry world editable is that I do not seem to recall whether transcendentals are considered as inexpressible or not. I currently have the terms expressible and inexpressible only applying to algebraics.