# Category:Rings with Unity

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This category contains results about **Rings with Unity**.

Let $\struct {R, +, \circ}$ be a non-null ring.

Then $\struct {R, +, \circ}$ is a **ring with unity** if and only if the multiplicative semigroup $\struct {R, \circ}$ has an identity element.

Such an identity element is known as a unity.

## Subcategories

This category has the following 4 subcategories, out of 4 total.

## Pages in category "Rings with Unity"

The following 25 pages are in this category, out of 25 total.