Euclid's Elements, Book X, Proposition 15 (X.15)

Euclid's Elements, Book X, Proposition 15 (X.15)

Sep 17, 2024

"If two commensurable magnitudes be added together, the whole will also be commensurable with each of them; and, if the whole be commensurable with one of them, the original magnitudes will also be commensurable."