Quote: number as a set of units; even number as equal parts

Quotation

BOOK SEVEN DEFINITIONS 1. An unit is that by virtue of which each of the things that exist is called one. 2. A number is a multitude composed of units. ... 6. An even number is that which is divisible into two equal parts. ... 11. A prime number is that which is measured by an unit alone. .. 14. Numbers composite to one another are those which are measured by an unit alone as a common measure.   Google-1   Google-2

Published before 1923

Additional Titles

Quote: prime number as measured by unit alone; composite numbers as relatively prime

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