subfield

Let $F$ be a field and $S$ a subset of $F$ such that $S$ with the inherited operations from $F$ is also a field.  Then we say that $S$ is a subfield of $F$.

The name “subfield” is used also in the case that $F$ is only a skew field and its subset $S$ forms a skew field.

Title	subfield
Canonical name	Subfield
Date of creation	2013-03-22 14:01:45
Last modified on	2013-03-22 14:01:45
Owner	drini (3)
Last modified by	drini (3)
Numerical id	7
Author	drini (3)
Entry type	Definition
Classification	msc 12E99