# Category:Definitions/Subfields

This category contains definitions related to Subfields.
Related results can be found in Category:Subfields.

Let $\struct {S, *, \circ}$ be an algebraic structure with $2$ operations.

Let $T$ be a subset of $S$ such that $\struct {T, *, \circ}$ is a field.

Then $\struct {T, *, \circ}$ is a subfield of $\struct {S, *, \circ}$.

## Pages in category "Definitions/Subfields"

The following 7 pages are in this category, out of 7 total.