Let F be a field and α be algebraic ( over F. Then α is expressible over F if F(α)/F is a radical extension. On the other hand, α is inexpressible over F if F(α)/F is not a radical extension.

Title expressible
Canonical name Expressible
Date of creation 2013-03-22 16:55:41
Last modified on 2013-03-22 16:55:41
Owner Wkbj79 (1863)
Last modified by Wkbj79 (1863)
Numerical id 7
Author Wkbj79 (1863)
Entry type Definition
Classification msc 12F05
Classification msc 12F10
Defines inexpressible