# Definition:That which produces Medial Whole with Rational Area/Terms

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## Definition

Let $a$ and $b$ be two positive real numbers.

Let $a - b$ be a straight line which produces with a rational area a medial whole.

The **terms** of $a - b$ are the elements $a$ and $b$.

### Whole

The real number $a$ is called the **whole** of the straight line which produces with a rational area a medial whole.

### Annex

The real number $b$ is called the **annex** of the straight line which produces with a rational area a medial whole.