Proposition: 7.37: Integer Divided by Divisor is Integer
(Proposition 37 from Book 7 of Euclid's “Elements”)
If a number is measured by some number then the (number) measured will have a part called the same as the measuring (number).
* For let the number $A$ be measured by some number $B$.
* I say that $A$ has a part called the same as $B$.
Modern Formulation
If $A=BC$ and $A,B,C$ are natural numbers, then $B$ is a divisor of $A.$
Table of Contents
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Proofs: 1
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References
Adapted from (subject to copyright, with kind permission)
 Fitzpatrick, Richard: Euclid's "Elements of Geometry"
Adapted from CC BYSA 3.0 Sources:
 Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016