Definition:Euclid's Definitions - Book VII/16 - Plane Number

From ProofWiki
Jump to navigation Jump to search

Definition

In the words of Euclid:

And, when two numbers having multiplied one another make some number, the number so produced is called plane, and its sides are the numbers which have multiplied one another.

(The Elements: Book $\text{VII}$: Definition $16$)


Sources