Euclid:Proposition/XI/3

Proposition

In the words of Euclid:

If two planes cut one another, their common section is a straight line.

(The Elements: Book $\text{XI}$: Proposition $3$)

Sources

• 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 3 (2nd ed.) ... (previous) ... (next): Book $\text{XI}$. Propositions