A prime number is that which is measured by a unit alone.
Father of geometry
Definition 11, Book VII of 'Elements'
c. 300 BCE
Found in 1 providers: grok
Cross Reference
1 source
"What has been affirmed without proof can also be denied without proof."
Strange & Unusual"A circle is a plane figure contained by one line such that all the straight lines falling upon it from one point among those lying within the figure are equal to one another."
Strange & Unusual"If a straight line fall on two parallel straight lines, it makes the alternate angles equal to one another, the exterior angle equal to the interior and opposite angle, and the interior angles on the …"
Strange & Unusual"Let it be granted that all right angles are equal to one another."
Strange & Unusual"If equals be added to equals, the wholes are equal."
Strange & Unusual